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If you want to stay young,sit down and have a good think．This is the research result of professor Faulkner,who says that most of our brains are not getting enough exercise and as a result,we are ageing unnecessarily soon.
Professor Faulkner wanted to find out why healthy farmers in northern Japan appeared to be losing their ability to think and to reason at a relatively early age,and how the process of ageing could be slowed down.
He set about measuring brain volumes of a thousand people of different ages and occupations．
Computer technology enabled him to obtain precise measurements of the volume of the front and side sections of the brain,which relate to intelligence and emotion,and determine the human character．
Contraction of front and side parts--as cells die off--was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.
Faulkner concluded from his tests that there is a simple way to slow the contraction—using the head.
The findings show that contraction of the brain begins sooner in people in the country than in the towns．Those least at risk,says Faulkner,are lawyers,followed by university professors and doctors．White--collar workers doing routine work are,however,as likely to have shrinking brains as the farm worker,bus driver and shop assistant.
Faulkner's findings show that thinking can prevent the brain from shrinking．Blood must circulate properly in the head to supply the fresh oxygen the brain cells need．"The best way to maintain good blood circulation is through using the brain,"he says．"Think hard and engage in conversation．Don't rely on pocket calculators."
Faulkner's research findings are based on__.
Professor Faulkner wanted to find out why healthy farmers in northern Japan appeared to be losing their ability to think and to reason at a relatively early age,and how the process of ageing could be slowed down.
He set about measuring brain volumes of a thousand people of different ages and occupations．
Computer technology enabled him to obtain precise measurements of the volume of the front and side sections of the brain,which relate to intelligence and emotion,and determine the human character．
Contraction of front and side parts--as cells die off--was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.
Faulkner concluded from his tests that there is a simple way to slow the contraction—using the head.
The findings show that contraction of the brain begins sooner in people in the country than in the towns．Those least at risk,says Faulkner,are lawyers,followed by university professors and doctors．White--collar workers doing routine work are,however,as likely to have shrinking brains as the farm worker,bus driver and shop assistant.
Faulkner's findings show that thinking can prevent the brain from shrinking．Blood must circulate properly in the head to supply the fresh oxygen the brain cells need．"The best way to maintain good blood circulation is through using the brain,"he says．"Think hard and engage in conversation．Don't rely on pocket calculators."
Faulkner's research findings are based on__.
A.a survey of farmers in northern Japan
B.tests performed on a thousand old people
C.the study of brain volumes of different people
D.the latest development of computer technology
B.tests performed on a thousand old people
C.the study of brain volumes of different people
D.the latest development of computer technology
参考答案
参考解析
解析：从第三段可知，他研究了上千个不同年龄、不同职业的人的大脑。
更多 “If you want to stay young,sit down and have a good think．This is the research result of professor Faulkner,who says that most of our brains are not getting enough exercise and as a result,we are ageing unnecessarily soon. Professor Faulkner wanted to find out why healthy farmers in northern Japan appeared to be losing their ability to think and to reason at a relatively early age,and how the process of ageing could be slowed down. He set about measuring brain volumes of a thousand people of different ages and occupations． Computer technology enabled him to obtain precise measurements of the volume of the front and side sections of the brain,which relate to intelligence and emotion,and determine the human character． Contraction of front and side parts--as cells die off--was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds. Faulkner concluded from his tests that there is a simple way to slow the contraction—using the head. The findings show that contraction of the brain begins sooner in people in the country than in the towns．Those least at risk,says Faulkner,are lawyers,followed by university professors and doctors．White--collar workers doing routine work are,however,as likely to have shrinking brains as the farm worker,bus driver and shop assistant. Faulkner's findings show that thinking can prevent the brain from shrinking．Blood must circulate properly in the head to supply the fresh oxygen the brain cells need．"The best way to maintain good blood circulation is through using the brain,"he says．"Think hard and engage in conversation．Don't rely on pocket calculators." Faulkner's research findings are based on__.A.a survey of farmers in northern Japan B.tests performed on a thousand old people C.the study of brain volumes of different people D.the latest development of computer technology” 相关考题
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Student: Good morning, Professor Liu. ______I'm late.Professor: You are late every morning. You were late Tuesday, yesterday...Don't you have a watch?
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Most of the people who appear most often and most gloriously in the history books are great conquerors and generals and soldiers, whereas the people who really helped civilization forward are often never mentioned at all. We do not know who first set a broken leg, or launched a seaworthy boat, or calculated the【31】of the year, or manured a field; but we know【32】about the killers and destroyers. People think a great deal of them, so【33】so that on all the highest pillars in the great cities of the world you will find the figure of a conqueror or a general or a soldier. And I think most people believe that the greatest countries are【34】that have beaten in battle the greatest number of other countries and ruled over them as conquerors. It is just possible they are,【35】they are not the most civilized. Animals fight; so do savages; hence to be good at fighting is to be good in the way in【36】an animal or a savage is good, but it is not to be civilized. Even being good at getting other people to fight for you and【37】them how to do it most efficiently — this, after all, is【38】conquerors and generals have done -- is not being civilized. People fight to settle quarrels. Fighting means killing, and civilized peoples ought to be able to find some way of settling their disputes other【39】by seeing which side can kill off the greater number of other side, and then【40】that that side which has killed most has won.(31)A．numberB．lengthC．depthD．width
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Many of our most deeply ______ opinions are held simply as a result of the fact that we happen to have been “brought up”to them.A: rootedB: rootC: rootingD: roots
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We should very much like to help you in this matter, but we have already cut our prices down to the absolute minimum.We think you will find that our competitors are offering a product of considerably lower quality in order to compete at this price.(英译中)
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1.If you want to stay young,sit down and have a good think.This is the research finding of a team of Japanese doctors,who say that most of our brains are not getting enough exercise一and as a result,we are ageing unnecessarily soon.2.Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age,and how the process of ageing could be slowed down.3.With a team of colleagues at Tokyo National University,he set about measuring brain yolumes of a thousand people of different ages and varying occupations.4.Computer technology enabled the researchers to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intellect（智能）and emotion, and determine the human character. The rear section of the brain,which controls functions like eating and breathing,does not contract with age,and one can continue living without intellectual or emotional faculties.5.Contraction of front and side parts一as cells die off —was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.6.Matsuzawa concluded from his tests that there is a simple remedy to the contraction normally associated with age一using the head.7.The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns.Those least at risk,says Matsuzawa,are lawyers,followed by university professors and doctors.White collar workers doing routine work in government offices are,however, as likely to have shrinking brains as the farm worker,bus driver and shop assistant.8.Matsuzawa's findings show that thinking can prevent the brain from shrinking. Blood must circulate properly in the head to supply the fresh oxygen the brain cells need."The best way to maintain good blood circulation is through using the brain,"he says,"Think hard and engage in conversation.Don't rely on pocket calculators."Paragraph 1________A:Thinking can prevent the brain from shrinking.B:The reason why people are aging.C:Scientists have worked out a way to keep people healthy.D:Computer technology.E:The different time of brain contraction between people in the country and in the towns. F: Measurements of the volume of the front and side sections of the brain.
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1.If you want to stay young,sit down and have a good think.This is the research finding of a team of Japanese doctors,who say that most of our brains are not getting enough exercise一and as a result,we are ageing unnecessarily soon.2.Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age,and how the process of ageing could be slowed down.3.With a team of colleagues at Tokyo National University,he set about measuring brain yolumes of a thousand people of different ages and varying occupations.4.Computer technology enabled the researchers to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intellect（智能）and emotion, and determine the human character. The rear section of the brain,which controls functions like eating and breathing,does not contract with age,and one can continue living without intellectual or emotional faculties.5.Contraction of front and side parts一as cells die off —was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.6.Matsuzawa concluded from his tests that there is a simple remedy to the contraction normally associated with age一using the head.7.The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns.Those least at risk,says Matsuzawa,are lawyers,followed by university professors and doctors.White collar workers doing routine work in government offices are,however, as likely to have shrinking brains as the farm worker,bus driver and shop assistant.8.Matsuzawa's findings show that thinking can prevent the brain from shrinking. Blood must circulate properly in the head to supply the fresh oxygen the brain cells need."The best way to maintain good blood circulation is through using the brain,"he says,"Think hard and engage in conversation.Don't rely on pocket calculators."Matsuzawa wanted to find out the process of ageing could be________.A:blood circulationB:slowed downC:occupationD:intellect and emotionE:eating and breathing F: fresh oxygen
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1.If you want to stay young,sit down and have a good think.This is the research finding of a team of Japanese doctors,who say that most of our brains are not getting enough exercise一and as a result,we are ageing unnecessarily soon.2.Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age,and how the process of ageing could be slowed down.3.With a team of colleagues at Tokyo National University,he set about measuring brain yolumes of a thousand people of different ages and varying occupations.4.Computer technology enabled the researchers to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intellect（智能）and emotion, and determine the human character. The rear section of the brain,which controls functions like eating and breathing,does not contract with age,and one can continue living without intellectual or emotional faculties.5.Contraction of front and side parts一as cells die off —was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.6.Matsuzawa concluded from his tests that there is a simple remedy to the contraction normally associated with age一using the head.7.The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns.Those least at risk,says Matsuzawa,are lawyers,followed by university professors and doctors.White collar workers doing routine work in government offices are,however, as likely to have shrinking brains as the farm worker,bus driver and shop assistant.8.Matsuzawa's findings show that thinking can prevent the brain from shrinking. Blood must circulate properly in the head to supply the fresh oxygen the brain cells need."The best way to maintain good blood circulation is through using the brain,"he says,"Think hard and engage in conversation.Don't rely on pocket calculators."The rear section of the brain controls functions like__________.A:blood circulationB:slowed downC:occupationD:intellect and emotionE:eating and breathing F: fresh oxygen
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1.If you want to stay young,sit down and have a good think.This is the research finding of a team of Japanese doctors,who say that most of our brains are not getting enough exercise一and as a result,we are ageing unnecessarily soon.2.Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age,and how the process of ageing could be slowed down.3.With a team of colleagues at Tokyo National University,he set about measuring brain yolumes of a thousand people of different ages and varying occupations.4.Computer technology enabled the researchers to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intellect（智能）and emotion, and determine the human character. The rear section of the brain,which controls functions like eating and breathing,does not contract with age,and one can continue living without intellectual or emotional faculties.5.Contraction of front and side parts一as cells die off —was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.6.Matsuzawa concluded from his tests that there is a simple remedy to the contraction normally associated with age一using the head.7.The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns.Those least at risk,says Matsuzawa,are lawyers,followed by university professors and doctors.White collar workers doing routine work in government offices are,however, as likely to have shrinking brains as the farm worker,bus driver and shop assistant.8.Matsuzawa's findings show that thinking can prevent the brain from shrinking. Blood must circulate properly in the head to supply the fresh oxygen the brain cells need."The best way to maintain good blood circulation is through using the brain,"he says,"Think hard and engage in conversation.Don't rely on pocket calculators."Using the brain is the best way to maintain good__________.A:blood circulationB:slowed downC:occupationD:intellect and emotionE:eating and breathing F: fresh oxygen
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根据下列内容，回答211-215题。
A house is the most expensive thing most people will ever buy．Very few people have enough money of their own to buy a house，so they have to borrow money from a bank．Borrowing moneyfrom a bank to buy a house is called“take a mortgage”．The bank usually lends money or gives a me．gage for twenty—five years．Houses are so expensive that many people nowadays have to borrow as much as$50，000．In other words，they will have a$50，000 mortgage．
How can you get a mortgage? When you find a house you like．you go to a bank．The bank will research you financial history and decide if they think you are a good risk．They will want to know what kind of job you have，what kind of salary you make and how long you have had the job．
They will a]so want to know how much money you have．In addition．the banks will require a down payment．Depending Oil which state you live in，the bank may require as much as 30%of the price of the house as a down payment．The bank will then lend you the rest of the money to buy the house.Many people are never able to buy a house because they can not save enough money for the
down payment．
What does a house mean in the United States．? __________A.It is a dream which many people can hardly realize
B.It is so expensive that many people can not really buy them
C.It is the most important property that many people try to buy
D.It doesn’t belong to people if they can not borrow morley from the bank
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Who Want to Live Forever?If your doctor could give you a drug that would let you live a healthy life for twice as long,would you take it?The good news is that we may be drawing near to that date.Scientists have already extended the lives of flies,worms and mice in laboratories.Many now think that using genetic treatments we will soon be able to extend human life to at least 140 years.This seems a great idea.Think of how much more time we could spend chasing our dreams,spending time with our loved ones,watching our families grow and have families of their own."Longer life would give us a chance to recover from our mistakes and promote long term thinking," says Dr.Gregory Stock of the University of California School of Public Health."It would also raise productivity by adding to the year we can work."Longer lives don't just affect the people who live them.They also affect society as a whole."We have war,poverty,all sorts of issues around,and I don't think any of them would be at all helped by having people live longer,"says US bioethicist Daniel Callahan."The question is‘What will we get as a society?'I suspect it won't be a better society."It would certainly be a very different society.People are already finding it more difficult to stay married.Divorce rates are rising.What would happen to marriage in a society where people lived for 140 years?And what would happen to family life if 9 or 10 generations of the same family were all alive at the same time? Research into ageing may enable women to remain fertile for longer.And that raises the prospect of having 100-year-old parents,or brothers and sisters born 50 years apart.We think of an elder sibling as someone who can protect us and offer help and advice.That would be hard to do if that sibling came from a completely different generation.Working life would also be affected,especially if the retirement age was lifted.More people would stay in work for longer.That would give us the benefits of age-skill,wisdom and good judgment.On the other hand,more people working for longer would create greater competition for jobs.It would make it more difficult for younger people to find a job.Top posts would be dominated by the same few individuals,making career progress more difficult.And how easily would a 25 -year-old employee be able to communicate with a 1 25 -year-old boss?Young people would be a smaller part of a society in which people lived to 140.It may be that such a society would place less importance on guiding and educating young people,and more on making life comfortable for the old.And society would feel very different if more of its members were older.There would be more wisdom, but less energy.Young people like to move about.Old people like to sit still.Young people tend to act without thinking.Old people tend to think without acting.Young people are curious and like to cxperience different things.Old people are less enthusiastic about change.In fact,they are less,enthusiastic about everything.The effect of anti一ageing technology is deeper than we might think.But as the science advances,we need to think about these changes now."If this could ever happen,then we'd better ask what kind of society we want to get,"says Daniel Callahan."We had better not go anywhere near it until we have figure those problems out." An important feature of a society in which people live a long life is that______.A:it places more emphasis on educating the youngB:it is both wise and energeticC:it lacks the curiosity to experiment what is newD:it welcomes changes
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Who Want to Live Forever?If your doctor could give you a drug that would let you live a healthy life for twice as long,would you take it?The good news is that we may be drawing near to that date.Scientists have already extended the lives of flies,worms and mice in laboratories.Many now think that using genetic treatments we will soon be able to extend human life to at least 140 years.This seems a great idea.Think of how much more time we could spend chasing our dreams,spending time with our loved ones,watching our families grow and have families of their own."Longer life would give us a chance to recover from our mistakes and promote long term thinking," says Dr.Gregory Stock of the University of California School of Public Health."It would also raise productivity by adding to the year we can work."Longer lives don't just affect the people who live them.They also affect society as a whole."We have war,poverty,all sorts of issues around,and I don't think any of them would be at all helped by having people live longer,"says US bioethicist Daniel Callahan."The question is‘What will we get as a society?'I suspect it won't be a better society."It would certainly be a very different society.People are already finding it more difficult to stay married.Divorce rates are rising.What would happen to marriage in a society where people lived for 140 years?And what would happen to family life if 9 or 10 generations of the same family were all alive at the same time? Research into ageing may enable women to remain fertile for longer.And that raises the prospect of having 100-year-old parents,or brothers and sisters born 50 years apart.We think of an elder sibling as someone who can protect us and offer help and advice.That would be hard to do if that sibling came from a completely different generation.Working life would also be affected,especially if the retirement age was lifted.More people would stay in work for longer.That would give us the benefits of age-skill,wisdom and good judgment.On the other hand,more people working for longer would create greater competition for jobs.It would make it more difficult for younger people to find a job.Top posts would be dominated by the same few individuals,making career progress more difficult.And how easily would a 25 -year-old employee be able to communicate with a 1 25 -year-old boss?Young people would be a smaller part of a society in which people lived to 140.It may be that such a society would place less importance on guiding and educating young people,and more on making life comfortable for the old.And society would feel very different if more of its members were older.There would be more wisdom, but less energy.Young people like to move about.Old people like to sit still.Young people tend to act without thinking.Old people tend to think without acting.Young people are curious and like to cxperience different things.Old people are less enthusiastic about change.In fact,they are less,enthusiastic about everything.The effect of anti一ageing technology is deeper than we might think.But as the science advances,we need to think about these changes now."If this could ever happen,then we'd better ask what kind of society we want to get,"says Daniel Callahan."We had better not go anywhere near it until we have figure those problems out." Which of the following is implied in the sixth paragraph?A:Marriages in the US today are quite unstable.B:More and more people in the US today want to get married.C:Living longer would make it easier for people to maintain their marital ties.D:If people live longer,they would stay in marriage longer.
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Who Want to Live Forever?If your doctor could give you a drug that would let you live a healthy life for twice as long,would you take it?The good news is that we may be drawing near to that date.Scientists have already extended the lives of flies,worms and mice in laboratories.Many now think that using genetic treatments we will soon be able to extend human life to at least 140 years.This seems a great idea.Think of how much more time we could spend chasing our dreams,spending time with our loved ones,watching our families grow and have families of their own."Longer life would give us a chance to recover from our mistakes and promote long term thinking," says Dr.Gregory Stock of the University of California School of Public Health."It would also raise productivity by adding to the year we can work."Longer lives don't just affect the people who live them.They also affect society as a whole."We have war,poverty,all sorts of issues around,and I don't think any of them would be at all helped by having people live longer,"says US bioethicist Daniel Callahan."The question is‘What will we get as a society?'I suspect it won't be a better society."It would certainly be a very different society.People are already finding it more difficult to stay married.Divorce rates are rising.What would happen to marriage in a society where people lived for 140 years?And what would happen to family life if 9 or 10 generations of the same family were all alive at the same time? Research into ageing may enable women to remain fertile for longer.And that raises the prospect of having 100-year-old parents,or brothers and sisters born 50 years apart.We think of an elder sibling as someone who can protect us and offer help and advice.That would be hard to do if that sibling came from a completely different generation.Working life would also be affected,especially if the retirement age was lifted.More people would stay in work for longer.That would give us the benefits of age-skill,wisdom and good judgment.On the other hand,more people working for longer would create greater competition for jobs.It would make it more difficult for younger people to find a job.Top posts would be dominated by the same few individuals,making career progress more difficult.And how easily would a 25 -year-old employee be able to communicate with a 1 25 -year-old boss?Young people would be a smaller part of a society in which people lived to 140.It may be that such a society would place less importance on guiding and educating young people,and more on making life comfortable for the old.And society would feel very different if more of its members were older.There would be more wisdom, but less energy.Young people like to move about.Old people like to sit still.Young people tend to act without thinking.Old people tend to think without acting.Young people are curious and like to cxperience different things.Old people are less enthusiastic about change.In fact,they are less,enthusiastic about everything.The effect of anti一ageing technology is deeper than we might think.But as the science advances,we need to think about these changes now."If this could ever happen,then we'd better ask what kind of society we want to get,"says Daniel Callahan."We had better not go anywhere near it until we have figure those problems out." All of the following are possible effects living longer might have on working life EXCEPT______.A:communication between employers and employees would be more difficultB:more money would be used by employers in payment of their employeesC:the job market would be more competitiveD:it would be more difficult for young people to be promoted to top positions
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第一篇If your doctor could give you a drug that would let you live a healthy life for twice as long, would you take it?The good news is that we may be drawing near to that date.Scientists have already extended the lives of flies,worms and mice in laboratories. Many now think that using genetic treatments we will soon be able to extend human life to at least 140 years.This seems a great idea. Think of how much more time we could spend chasing our dreams,spending time with our loved ones,watching our families grow and have families of their own."Longer life would give us a chance to recover from our mistakes and promote long term thinking,"says Dr Gregory Stock of the University of California School of Public Health."It would also raise productivity by adding to the year we can work."Longer lives don't just affect the people who live them. They also affect society as a whole. "We have war,poverty,all sorts of issues around,and I don't think any of them would be at all helped by having people live longer,"says US bioethicist Daniel Callahan,"The question is what we will get as a society?I suspect it won't be a better society."It would certainly be a very different society. People are already finding it more difficult to stay married. Divorce rates are rising. What would happen to marriage in a society where people lived for 140 years? And what would happen to family life if 9 or 10 generations of the same family were all alive at the same time?Research into ageing may enable women to remain fertile for longer. And that raises the prospect of having 100-year-old parents,or brothers and sisters born 50 years apart. We think of an elder sibling as someone who can protect us and offer help and advice. That would be hard to do if that sibling came from a completely different generation.Working life would also be affected,especially if the retirement age was lifted.More people would stay in work for longer. That would give us the benefits of age一skill,wisdom and good judgment.On the other hand,more people working for longer would create greater competition for jobs. It would make it more difficult for younger people to find a job. Top posts would be dominated by the same few individuals,making career progress more difficult. And how easily would a 25-year-old employee be able to communicate with a 125-year-old boss?Young people would be a smaller part of a society in which people lived to 140.It may be that such a society would place less importance on guiding and educating young people,and more on making life comfortable for the old.And society would feel very different if more of its members were older. There would be more wisdom,but less energy.Young people like to move about. Old people like to sit still.Young people tend to act without thinking.Old people tend to think without acting.Young people are curious and like to experience different things.Old people are less enthusiastic about change.In fact,they are less enthusiastic about everything.The effect of anti-ageing technology is deeper than we might think.But as the science advances,we need to think about these changes now."If this could ever happen,then we'd better ask what kind of society we want to get,"says Daniel Callahan."We had better not go anywhere near it until we have figure those problems out."Which of the following is implied in the fifth paragraph?A:Marriages in the US today are quite unstable.B:More and more people in the US today want to get married.C:Living longer would make it easier for people to maintain their marital ties.D:If people live longer,they would stay in marriage longer.
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第三篇Iron DeficienciesExperts have observed for years that endurance athletes,particularly females,frequently have iron deficiencies.Now a new study by a team of Purdue University researchers suggests that even moderate exercise may lead to reduced iron in the blood of women."We found that women who were normally inactive and then started a program of moderate exercise showed evidence of iron loss,"says Roseanne M.Lyle,associate professor at Purdue.Her study of 62 formerly inactive women who began exercising three times a week for six months was published in the journal Medicine & Science in Sports & Exercise."Women who consumed additional meat or took iron supplements were able to bounce back,"she notes."But the new exercisers who followed their normal diet showed a significant decrease in iron levels."Iron deficiency is very common among women in general,affecting one in four female teenagers and one in five women aged 18 to 45,respectively.But the ratio is even greater among active women,affecting up to 80 percent of female endurance athletes.This means,Lyle says,that"too many women ignore the amount of iron they take in."Women of childbearing age are at greatest risk,since their monthly bleeding is a major source of iron loss.Plus,many health-conscious women increase their risk by rejecting red meat,which contains the most easily absorbed form of iron.And because women often restrict their diet in an effort to control weight,they may not consume enough iron-rich food,and are liable to experience a deficiency."The average woman takes in only two thirds of the recommended daily allowance of iron," notes another expert."For a woman who already has a poor iron status,any additional iron loss from exercise may be enough to tip her over the edge into a more serious deficiency,"notes the expert. Exercise can result in iron loss through a variety of mechanisms.Some iron is lost in sweat,and,for unknown reasons,intense endurance exercise is sometimes associated with bleeding of the digestive system.The best sources of iron,and the only sources of the form of iron most readily absorbed by the body,are meat,chicken,and fish.Good sources of other forms of iron include dates,beans,and some leafy green vegetables.Who will have a significant decrease in iron levels?A:All the women.B:All the inactive women.C:Women who start to do moderate exercise and follow their normal diet.D:Women who start to do moderate exercise and consume additional meat or take iron supplements.
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第一篇If your doctor could give you a drug that would let you live a healthy life for twice as long, would you take it?The good news is that we may be drawing near to that date.Scientists have already extended the lives of flies,worms and mice in laboratories. Many now think that using genetic treatments we will soon be able to extend human life to at least 140 years.This seems a great idea. Think of how much more time we could spend chasing our dreams,spending time with our loved ones,watching our families grow and have families of their own."Longer life would give us a chance to recover from our mistakes and promote long term thinking,"says Dr Gregory Stock of the University of California School of Public Health."It would also raise productivity by adding to the year we can work."Longer lives don't just affect the people who live them. They also affect society as a whole. "We have war,poverty,all sorts of issues around,and I don't think any of them would be at all helped by having people live longer,"says US bioethicist Daniel Callahan,"The question is what we will get as a society?I suspect it won't be a better society."It would certainly be a very different society. People are already finding it more difficult to stay married. Divorce rates are rising. What would happen to marriage in a society where people lived for 140 years? And what would happen to family life if 9 or 10 generations of the same family were all alive at the same time?Research into ageing may enable women to remain fertile for longer. And that raises the prospect of having 100-year-old parents,or brothers and sisters born 50 years apart. We think of an elder sibling as someone who can protect us and offer help and advice. That would be hard to do if that sibling came from a completely different generation.Working life would also be affected,especially if the retirement age was lifted.More people would stay in work for longer. That would give us the benefits of age一skill,wisdom and good judgment.On the other hand,more people working for longer would create greater competition for jobs. It would make it more difficult for younger people to find a job. Top posts would be dominated by the same few individuals,making career progress more difficult. And how easily would a 25-year-old employee be able to communicate with a 125-year-old boss?Young people would be a smaller part of a society in which people lived to 140.It may be that such a society would place less importance on guiding and educating young people,and more on making life comfortable for the old.And society would feel very different if more of its members were older. There would be more wisdom,but less energy.Young people like to move about. Old people like to sit still.Young people tend to act without thinking.Old people tend to think without acting.Young people are curious and like to experience different things.Old people are less enthusiastic about change.In fact,they are less enthusiastic about everything.The effect of anti-ageing technology is deeper than we might think.But as the science advances,we need to think about these changes now."If this could ever happen,then we'd better ask what kind of society we want to get,"says Daniel Callahan."We had better not go anywhere near it until we have figure those problems out."Which of the following best describes Callahan's attitude to anti-ageing technology? A:Optimistic.B:Pessimistic.C:Reserved.D:Negative.
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Young Adults Who Exercise Get Higher IQ ScoresYoung adults who are fit have a higher IQ and are more likely to go on to university,reveals a major new study carried out at the Sahlgrenska Academy and Sahlgrenska University Hospital.The results were recently published in the Proceedings of the National Academy of Sciences (PNAS)The study involved 1 .2 million Swedish men doing military service who were born be-tween 1950 and 1976 .The research group analyzed the results of both physical and IQ tests the youngsters took right after they started serving the army.The study shows a clear link between good physical fitness and better results for the IQ test. The strongest links are for logical thinking and verbal comprehension.But it is only fitness that plays a role in the results for the IQ test,and not strength.“Being fit means that you also have good heart and lung capacity and that your brain gets plenty of oxygen,”says Michael Nilsson, professor at the Sahlgrenska Academy and chief physician at the Sahlgrenska University Hospital. “This may be one of the reasons why we can see a clear link with fitness,but not with muscular strength .We are also seeing that there are growth factors that are important.”By analyzing data for twins,the researchers have been able to determine that it is primarily environmental factors and not genes that explain the link between fitness and higher IQ.“We have also shown that those youngsters who improve their physical fitness between the ages of 15 and 18 increase their cognitive performance,”says Maria Aberg,researcher at the Sahl-grenska Academy and physician at Aby health centre.“This being the case,physical education is a subject that has an important place in schools,and is an absolute must if we want to do well in maths and other theoretical subjects.”The researchers have also compared the results from fitness tests during national service with the socio-economic status of the men later in life.Those who were fit at 18 were more likely to go into higher education,and many secured more qualified jobs. The study findings include the following EXCEPT that_______.A: growth factors are significant for a person's IQB: young adults who are fit get higher scores in IQ testsC:youngsters who are fit will more likely get college educationD: young people who are muscular and strong have a higher IQ
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Who Want to Live Forever?If your doctor could give you a drug that would let you live a healthy life for twice as long,would you take it?The good news is that we may be drawing near to that date.Scientists have already extended the lives of flies,worms and mice in laboratories.Many now think that using genetic treatments we will soon be able to extend human life to at least 140 years.This seems a great idea.Think of how much more time we could spend chasing our dreams,spending time with our loved ones,watching our families grow and have families of their own."Longer life would give us a chance to recover from our mistakes and promote long term thinking," says Dr.Gregory Stock of the University of California School of Public Health."It would also raise productivity by adding to the year we can work."Longer lives don't just affect the people who live them.They also affect society as a whole."We have war,poverty,all sorts of issues around,and I don't think any of them would be at all helped by having people live longer,"says US bioethicist Daniel Callahan."The question is‘What will we get as a society?'I suspect it won't be a better society."It would certainly be a very different society.People are already finding it more difficult to stay married.Divorce rates are rising.What would happen to marriage in a society where people lived for 140 years?And what would happen to family life if 9 or 10 generations of the same family were all alive at the same time? Research into ageing may enable women to remain fertile for longer.And that raises the prospect of having 100-year-old parents,or brothers and sisters born 50 years apart.We think of an elder sibling as someone who can protect us and offer help and advice.That would be hard to do if that sibling came from a completely different generation.Working life would also be affected,especially if the retirement age was lifted.More people would stay in work for longer.That would give us the benefits of age-skill,wisdom and good judgment.On the other hand,more people working for longer would create greater competition for jobs.It would make it more difficult for younger people to find a job.Top posts would be dominated by the same few individuals,making career progress more difficult.And how easily would a 25 -year-old employee be able to communicate with a 1 25 -year-old boss?Young people would be a smaller part of a society in which people lived to 140.It may be that such a society would place less importance on guiding and educating young people,and more on making life comfortable for the old.And society would feel very different if more of its members were older.There would be more wisdom, but less energy.Young people like to move about.Old people like to sit still.Young people tend to act without thinking.Old people tend to think without acting.Young people are curious and like to cxperience different things.Old people are less enthusiastic about change.In fact,they are less,enthusiastic about everything.The effect of anti一ageing technology is deeper than we might think.But as the science advances,we need to think about these changes now."If this could ever happen,then we'd better ask what kind of society we want to get,"says Daniel Callahan."We had better not go anywhere near it until we have figure those problems out." Which of the following best describes Callahan's attitude to anti一ageing technology?A:Optimistic. B:Pessimistic.C:Reserved. D:Negative.
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第一篇If your doctor could give you a drug that would let you live a healthy life for twice as long, would you take it?The good news is that we may be drawing near to that date.Scientists have already extended the lives of flies,worms and mice in laboratories. Many now think that using genetic treatments we will soon be able to extend human life to at least 140 years.This seems a great idea. Think of how much more time we could spend chasing our dreams,spending time with our loved ones,watching our families grow and have families of their own."Longer life would give us a chance to recover from our mistakes and promote long term thinking,"says Dr Gregory Stock of the University of California School of Public Health."It would also raise productivity by adding to the year we can work."Longer lives don't just affect the people who live them. They also affect society as a whole. "We have war,poverty,all sorts of issues around,and I don't think any of them would be at all helped by having people live longer,"says US bioethicist Daniel Callahan,"The question is what we will get as a society?I suspect it won't be a better society."It would certainly be a very different society. People are already finding it more difficult to stay married. Divorce rates are rising. What would happen to marriage in a society where people lived for 140 years? And what would happen to family life if 9 or 10 generations of the same family were all alive at the same time?Research into ageing may enable women to remain fertile for longer. And that raises the prospect of having 100-year-old parents,or brothers and sisters born 50 years apart. We think of an elder sibling as someone who can protect us and offer help and advice. That would be hard to do if that sibling came from a completely different generation.Working life would also be affected,especially if the retirement age was lifted.More people would stay in work for longer. That would give us the benefits of age一skill,wisdom and good judgment.On the other hand,more people working for longer would create greater competition for jobs. It would make it more difficult for younger people to find a job. Top posts would be dominated by the same few individuals,making career progress more difficult. And how easily would a 25-year-old employee be able to communicate with a 125-year-old boss?Young people would be a smaller part of a society in which people lived to 140.It may be that such a society would place less importance on guiding and educating young people,and more on making life comfortable for the old.And society would feel very different if more of its members were older. There would be more wisdom,but less energy.Young people like to move about. Old people like to sit still.Young people tend to act without thinking.Old people tend to think without acting.Young people are curious and like to experience different things.Old people are less enthusiastic about change.In fact,they are less enthusiastic about everything.The effect of anti-ageing technology is deeper than we might think.But as the science advances,we need to think about these changes now."If this could ever happen,then we'd better ask what kind of society we want to get,"says Daniel Callahan."We had better not go anywhere near it until we have figure those problems out."All of the following are possible effects living longer might have on working life EXCEPT_________.A:communication between employers and employees would be more difficultB:more money would be used by employees in payment of their employeesC:the job market would be more competitiveD:it would be more difficult for young people to be promoted to top positions
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If you want to stay young,sit down and have a good think．This is the research result of professor Faulkner,who says that most of our brains are not getting enough exercise and as a result,we are ageing unnecessarily soon.
Professor Faulkner wanted to find out why healthy farmers in northern Japan appeared to be losing their ability to think and to reason at a relatively early age,and how the process of ageing could be slowed down.
He set about measuring brain volumes of a thousand people of different ages and occupations．
Computer technology enabled him to obtain precise measurements of the volume of the front and side sections of the brain,which relate to intelligence and emotion,and determine the human character．
Contraction of front and side parts--as cells die off--was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.
Faulkner concluded from his tests that there is a simple way to slow the contraction—using the head.
The findings show that contraction of the brain begins sooner in people in the country than in the towns．Those least at risk,says Faulkner,are lawyers,followed by university professors and doctors．White--collar workers doing routine work are,however,as likely to have shrinking brains as the farm worker,bus driver and shop assistant.
Faulkner's findings show that thinking can prevent the brain from shrinking．Blood must circulate properly in the head to supply the fresh oxygen the brain cells need．"The best way to maintain good blood circulation is through using the brain,"he says．"Think hard and engage in conversation．Don't rely on pocket calculators."
According to the passage,which group of people seem to age slower than the others?A.Farmer
B.Lawyer
C.Clerk
D.Shop assistant
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If you want to stay young,sit down and have a good think．This is the research result of professor Faulkner,who says that most of our brains are not getting enough exercise and as a result,we are ageing unnecessarily soon.
Professor Faulkner wanted to find out why healthy farmers in northern Japan appeared to be losing their ability to think and to reason at a relatively early age,and how the process of ageing could be slowed down.
He set about measuring brain volumes of a thousand people of different ages and occupations．
Computer technology enabled him to obtain precise measurements of the volume of the front and side sections of the brain,which relate to intelligence and emotion,and determine the human character．
Contraction of front and side parts--as cells die off--was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.
Faulkner concluded from his tests that there is a simple way to slow the contraction—using the head.
The findings show that contraction of the brain begins sooner in people in the country than in the towns．Those least at risk,says Faulkner,are lawyers,followed by university professors and doctors．White--collar workers doing routine work are,however,as likely to have shrinking brains as the farm worker,bus driver and shop assistant.
Faulkner's findings show that thinking can prevent the brain from shrinking．Blood must circulate properly in the head to supply the fresh oxygen the brain cells need．"The best way to maintain good blood circulation is through using the brain,"he says．"Think hard and engage in conversation．Don't rely on pocket calculators."
Professor Faulkner wanted to find out__．A.how people's brains shrink
B.the way of making people live longer
C.the size of certain people's brains
D.why certain people aged sooner than others
考题
If you want to stay young,sit down and have a good think．This is the research result of professor Faulkner,who says that most of our brains are not getting enough exercise and as a result,we are ageing unnecessarily soon.
Professor Faulkner wanted to find out why healthy farmers in northern Japan appeared to be losing their ability to think and to reason at a relatively early age,and how the process of ageing could be slowed down.
He set about measuring brain volumes of a thousand people of different ages and occupations．
Computer technology enabled him to obtain precise measurements of the volume of the front and side sections of the brain,which relate to intelligence and emotion,and determine the human character．
Contraction of front and side parts--as cells die off--was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.
Faulkner concluded from his tests that there is a simple way to slow the contraction—using the head.
The findings show that contraction of the brain begins sooner in people in the country than in the towns．Those least at risk,says Faulkner,are lawyers,followed by university professors and doctors．White--collar workers doing routine work are,however,as likely to have shrinking brains as the farm worker,bus driver and shop assistant.
Faulkner's findings show that thinking can prevent the brain from shrinking．Blood must circulate properly in the head to supply the fresh oxygen the brain cells need．"The best way to maintain good blood circulation is through using the brain,"he says．"Think hard and engage in conversation．Don't rely on pocket calculators."
The professor's tests show that__.A.our brains shrink as we grow old
B.the front section of the brain does not shrink
C.seventy-year-olds have better brains than sixty-year-olds
D.brain contraction may vary among people of the same age
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Searching for Smiles1 Ask most people anywhere in the world what they want out of life and the reply will probably be:"to be happy."Ed Deiner,an American psychology professor,has spent his whole professional life studying what makes people happy,comparing levels of happiness between cultures and trying to find out exactly why we enjoy ourselves.2 Many people would say that this question does not need an answer.But Professor Deinerhas one anyway."If you're a cheerful,happy person,your marriage is more likely to last,and you're more likely to make money and be successful at your job.On average,happy people have stronger immune（免疫的）systems, and there is some evidence that they live longer."3 So who are the world's happiest people?It depends on how the word is defined.There is individual happiness,the sense of joy we get when we do something we like.But there isalso the feeling of satisfaction we get when we know that others respect us and approve of how we behave.According to Professor Deiner,the Western world pursues individual happiness while Asia prefers mutual satisfaction.4 "In the West, the individualistic（个人主义的）culture means that your mood matters much more than it does in the East.People ask themselves,what can I do that's fun orinteresting?They become unhappy when they can't do any of these things.If you ask people from Japan or China if they are happy,they tend to look at what has gone wrong in their lives.If not much has gone wrong,then they are satisfied."5 People from Spain and other Spanish-speaking countries had the happiest culture,Professor Deiner found."The biggest cultural difference is to do with pride and shame.Hispanic（西班牙语言的）cultures report much more pride and much less shame than others."6 Income also made a big difference to people's happiness,but only at the lowest levels.Average income earners in the US were much happier than people in poverty.But millionaires were only a little bit happier than people on average incomes.It seems that money makes us happy when we have enough to feel secure.7 But can we be too happy? "You get people who are actually happy,but they think happiness is so important that they try to be even happier.This desire to be always happy isa product of individualism,where the emphasis is on you individually,your emotions and feeling good.People can end up feeling unhappy because ordinary happiness is not good enough for them."Professor Deiner believes that a happy person is less prone（易患）to_________.A:a questionB:ordinary happinessC:individualismD:cultural differencesE:muchF:illnesses
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Searching for Smiles1 Ask most people anywhere in the world what they want out of life and the reply will probably be:"to be happy."Ed Deiner,an American psychology professor,has spent his whole professional life studying what makes people happy,comparing levels of happiness between cultures and trying to find out exactly why we enjoy ourselves.2 Many people would say that this question does not need an answer.But Professor Deinerhas one anyway."If you're a cheerful,happy person,your marriage is more likely to last,and you're more likely to make money and be successful at your job.On average,happy people have stronger immune（免疫的）systems, and there is some evidence that they live longer."3 So who are the world's happiest people?It depends on how the word is defined.There is individual happiness,the sense of joy we get when we do something we like.But there isalso the feeling of satisfaction we get when we know that others respect us and approve of how we behave.According to Professor Deiner,the Western world pursues individual happiness while Asia prefers mutual satisfaction.4 "In the West, the individualistic（个人主义的）culture means that your mood matters much more than it does in the East.People ask themselves,what can I do that's fun orinteresting?They become unhappy when they can't do any of these things.If you ask people from Japan or China if they are happy,they tend to look at what has gone wrong in their lives.If not much has gone wrong,then they are satisfied."5 People from Spain and other Spanish-speaking countries had the happiest culture,Professor Deiner found."The biggest cultural difference is to do with pride and shame.Hispanic（西班牙语言的）cultures report much more pride and much less shame than others."6 Income also made a big difference to people's happiness,but only at the lowest levels.Average income earners in the US were much happier than people in poverty.But millionaires were only a little bit happier than people on average incomes.It seems that money makes us happy when we have enough to feel secure.7 But can we be too happy? "You get people who are actually happy,but they think happiness is so important that they try to be even happier.This desire to be always happy isa product of individualism,where the emphasis is on you individually,your emotions and feeling good.People can end up feeling unhappy because ordinary happiness is not good enough for them."Once we have got enough to feel safe,money does not make________difference to our happiness.A:a questionB:ordinary happinessC:individualismD:cultural differencesE:muchF:illnesses
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In which scenario would TOP N analysis be the best solution? （）A、You want to identify the most senior employee in the company.B、You want to find the manager supervising the largest number of employees.C、You want to identify the person who makes the highest salary for all employees.D、You want to rank the top three sales representatives who have sold the maximum number of products.
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问答题Nowadays more young people can enjoy university education than in the past, but they are faced with another problem: job hunting. Most graduates find it hard to find a satisfactory job, and some have to stay jobless for several years. What do you think may have caused this problem? Write a composition of about 400 words to explain your point of view. The title has been provided for you.Problems in university students' job hunting In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a toss of marks.
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问答题Practice 2 Many matters, however, are less easily brought to the test of experience. If, like most of mankind, you have strong convictions on many such matters, there are ways in which you can make yourself aware of your own prejudices. If an opinion contrary to your own makes you angry, that is a sign that you subconsciously are aware of having no good reason for thinking as you do. If someone maintains that two and two are five, or that Iceland is on the equator you feel pity rather than anger, unless you know so little of arithmetic or geography that his opinion shakes your own contrary conviction. The most savage controversies are those about matters as to which there is no good evidence either way. So whenever you find yourself getting angry about difference of opinion, be on your guard; you will probably find, on examination that your belief is going beyond what the evidence justifies. For those who have enough psychological imagination, it is a good plan to imagine an argument with a person having a different opinion. This has one advantage, and only one, as compared with actual conversation with opponents: this one advantage is that the method is not subject to the same limitations of time and space. Mahatma Gandhi considered it unfortunate to have railways and steamboats and machinery; he would have liked to undo the whole of the industrial revolution. You may never have an opportunity of actually meeting anyone who holds his opinion, because in Western countries most people take the advantage of modern technology for granted. But if you want to make sure that you are right in agreeing with the prevailing opinion, you will find it a good plan to test the arguments that occur to you by considering what Gandhi might have said in refutation of them. I have sometimes been led actually to change my mind as a result of this kind of imaginary dialogue. Furthermore, I have frequently found myself growing more agreeable through realizing the possible reasonableness of a hypothetical opponent.
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