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Scientists who study the brain have found out a great deal about how we learn.They have_____21_____that babies learn much more from the sights and sounds around them than we_____22_____before.You can?help your baby by taking advantage of her hunger to learn.
From the_____23_____beginning,babies try to imitate the____24______they hear us make.They""read"the_____25_____on our faces and our movements.That is_____26_____it is so important to talk,sing and smile to?your child.Hearing you talk is your baby′s first_____27_____toward becoming a reader,because it_____28_____her?to love language and to learn words.
As your child grows older,_____29_____talking with her.Ask her about the things she does.Ask her?about the events and people in the story you_____30_____together.Let her know you are carefully_____31_____what she says.By keeping her in_____32_____and listening,you are_____33_____encouraging your child to think as?she speaks._____34_____,you are showing that you respect her knowledge and her ability to____35______learning.

第（22）题答案

A.did
B.hoped"
C.studied
D.thought

参考答案

参考解析
解析：【考情点拨】理解推断题。【应试指导】此句意为：他们发现婴儿从……学到的东西要远远多于我们原来所认为的（thought）。其他三项都不符合句意，故选D：
更多 “Scientists who study the brain have found out a great deal about how we learn.They have_____21_____that babies learn much more from the sights and sounds around them than we_____22_____before.You can?help your baby by taking advantage of her hunger to learn. From the_____23_____beginning,babies try to imitate the____24______they hear us make.They""read"the_____25_____on our faces and our movements.That is_____26_____it is so important to talk,sing and smile to?your child.Hearing you talk is your baby′s first_____27_____toward becoming a reader,because it_____28_____her?to love language and to learn words. As your child grows older,_____29_____talking with her.Ask her about the things she does.Ask her?about the events and people in the story you_____30_____together.Let her know you are carefully_____31_____what she says.By keeping her in_____32_____and listening,you are_____33_____encouraging your child to think as?she speaks._____34_____,you are showing that you respect her knowledge and her ability to____35______learning. 第（22）题答案A.did B.hoped" C.studied D.thought” 相关考题
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考题 When I opened the first "Body Shop" in 1976, what I wanted to do was to earn （挣） enough money to feed my children. Today the "Body Shop" is a great company growing fast all around the world. In the years since we began, I have learned a lot. Much of what I have learned will be found in this book, because I believe that we, as a company, have something worth saying about how to run a successful business without giving up what you really believe in. It's not an ordinary business book. It is not just about my life, either. The message is that to succeed in business you have to be different. Business can be fun, and can be run with love and do good. In business, as in life, I need to enjoy myself, to have a feeling of my family and to feel excited by something unusual. I have always wanted the people who work for the "Body Shop" to feel the same way. Now this book sends these ideas out into the world, and makes them public. I'd like to think there are no limits （界限） to our "family", and no limits to what can be done. I find that an exciting thought. I hope you do, too. What would someone learn from this text? A. How to make a lot of money. B. How to write a book about business. C. What the book is about. D. What the writer's family is like.
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考题 When I opened the first "Body Shop" in 1976, what I wanted to do was to earn （挣） enough money to feed my children. Today the "Body Shop" is a great company growing fast all around the world. In the years since we began, I have learned a lot. Much of what I have learned will be found in this book, because I believe that we, as a company, have something worth saying about how to run a successful business without giving up what you really believe in. It's not an ordinary business book. It is not just about my life, either. The message is that to succeed in business you have to be different. Business can be fun, and can be run with love and do good. In business, as in life, I need to enjoy myself, to have a feeling of my family and to feel excited by something unusual. I have always wanted the people who work for the "Body Shop" to feel the same way. Now this book sends these ideas out into the world, and makes them public. I'd like to think there are no limits （界限） to our "family", and no limits to what can be done. I find that an exciting thought. I hope you do, too. How does the writer feel about the business she runs? A. It's the biggest company in the world. B. It will possibly be more successful. C. It's one of the most successful businesses. D. It is the only company that is growing all around the world.
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考题 共用题干 Read with Greater SpeedDo you have difficulty reading in class?if so,a special reading program that helpsmatch sounds with letters could speed up your brain.At least one out of every five elementary school students in the US has trouble learningto read,even when the students are good at other subjects._________(1)Researchers from Yale University,US,studied a group of children from New Yorkand Connecticut State.As part of the study,37 struggling readers received special tutoring.Every day,instructors worked with them on recognizing how written letters representunits of sound called phonemes（音素）.__________(2)By the end of the school year,these children could read faster than before.They alsomade fewer mistakes,and understood more of what they read than they could earlier in theyear.As part of their study,the researchers used a special machine to take action photos of the students' brains._________(3)This is the same part of the brain that becomes active when goodreaders read.This activated brain area appears to include a structure that helps peoplerecognize familiar written words quickly. In lower level readers,this structure remainsinactive.A year later,the brain structure was still working hard in the students who had gonethrough the special tutoring,and they continued to do well in reading tests.________ (4)However,some researchers still doubt the study._________(5)_________（3）A:Many adults are interested in matching sounds with letters.B:The students also practiced reading aloud and spelling.C:The biggest challenge for many of these kids,scientists say,is matching sounds with letters.D:Another group in the study who went through a more traditional reading program didn't show the same progress.E:The pictures showed an increase in activity in the back of the brain on the left side.F:They believe that reading without making any noise or linking words to sounds is more efficient.
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考题 共用题干 Rockets in the SkyIf someone asked you,"What color is the sky?"I expect that you would answer,"Blue."I am afraid that you would be wrong.The sky has no color.When we see blue,we are looking at blue sunlight.The sunlight is shining on little bits of dust in the air.We know that there is air all around the world.We could not breathe without air.Airplanes could not fly without air.They need air to lift their wings.Airplanes cannot fly very high because as they go higher the air gets thinner.If we go far enough away from the earth,we find there is no air.What is the sky?The sky is space.In this space there is nothing except the sun,the moon and all the stars. Scientists have always wanted to know more about the other worlds in the space.They have looked at them through telescopes and in this way they have found out a great deal.The moon is about 384 ,000 kilometers away from the earth.An airplane cann't fly to the moon but there is a thing that can fly even when there is no air. This is rocket.I am sure that you are asking,"How does a rocket fly?"If you want to know,get a balloon and then blow it up until it is quite big.Do not tie up the neck of the balloon.Let go!The balloon will fly off through the air very quickly.The air inside the balloon tries to get out.It rushes out through the neck of the balloon and this pushes the balloon through the air.It does not need wings like an airplane.This is how a rocket works.It is not made of rubber（橡胶）like a balloon,of course.It is made of metal. The metal must not be heavy but it must be very strong.There is gas inside the rocket which is made very hot. When it rushes out of the end of the rocket,the rocket is pushed up into the air.Rockets can fly far out into space.Rockets with men inside them have already reached the moon.Several rockets,without men inside them,have been sent to other worlds much farther away.One day rockets may be able to go anywhere in the space.A rocket can fly to the moon because______. A:it looks like a balloon B:it is much lighter than an airplaneC:it doesn't have wings D:it works like an untied balloon
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考题 Scientists who study the brain have found out a great deal about how we learn.They have_____21_____that babies learn much more from the sights and sounds around them than we_____22_____before.You can?help your baby by taking advantage of her hunger to learn. From the_____23_____beginning,babies try to imitate the____24______they hear us make.They""read"the_____25_____on our faces and our movements.That is_____26_____it is so important to talk,sing and smile to?your child.Hearing you talk is your baby′s first_____27_____toward becoming a reader,because it_____28_____her?to love language and to learn words. As your child grows older,_____29_____talking with her.Ask her about the things she does.Ask her?about the events and people in the story you_____30_____together.Let her know you are carefully_____31_____what she says.By keeping her in_____32_____and listening,you are_____33_____encouraging your child to think as?she speaks._____34_____,you are showing that you respect her knowledge and her ability to____35______learning. 第（24）题答案A.efforts B.faces C.sounds D.stories
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考题 共用题干 第三篇How We Form First ImpressionWe all have first impression of someone、just met.But why? Why do we form an opinion about someone without really knowing anything about him or her aside perhaps from a few remarks or readily observable traits?The answer is related to how your brain allows you to be~of the world.Your brain is so sensitive in picking up facial traits,Even very minor difference in how a person'5 eyes,ears,nose,or mouth are placed in relation to each other makes you see him or her as different.In fact,your brain continuously processes incoming sensory information-the sights and sounds of your world.These incoming signals are compared against a host of "memories"stored in the brain areas called the cortex(皮质）system to determine what these new signals"mean".If you see someone you know and like at school,your brain says"familiar and safe".If you see someone new it says,"new and potentially threatening".Then your brain starts to match features of this stranger with other"known"memories.The height,weight,dress,ethnicity,gestures,and tone of voice are all matched up.The more unfamiliar the characteristics are,the more your brain may say,"This is new.I don ' t like this person ".Or else , " I'm intrigued（好奇的）".Or your brain may perceive a new face but familiar clothes,ethnicity,gestures-like your other friends;so your brain says,"I like this person".But these preliminary"impressions"can be dead wrong.When we stereotype people,we use a less mature form of thinking(not unlike the immature thinking of a very young child)that makes simplistic and categorical impressions of others.Rather than learn about the depth and breadth of people-their history,interestvalues,strengths,and true character-we categorize them as jocks（骗子）,peeks（反常的人）,or freaks（怪人）.However,if we resist initial stereotypical impressions,we have a chance to be aware of what a person is truly like.If we spend time with a person,hear about his or her life,hopes,dreams,and become aware of the person's character,we use a different,more mature style of thinking-and the most complex areas of our cortex,which allow us to be humane。The 'word "preliminary"in Paragraph 3 is closest in meaning to________.A:simplistic B:stereotypicalC:initial D:categorical
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考题 共用题干 IQ-geneIn the angry debate over how much of IQ comes from the genes that children inherit from par-ents and how much comes from experiences,one little fact gets overlooked:no one has identified any genes(other than those that cause retardation)that affect intelligence.So researchers led by Robert Plomin of London's Institute of Psychiatry decided to look for some.They figured that if you want to find a"smart gene,"you should look in smart kids.They therefore examined the DNA of students like those who are so bright that they take college entrance exams four years ear-ly-and still score at Princeton-caliber levels. The scientists found what they sought."We have,"says Plomin,"the first specific gene ever associated with general intelligence."Plomin's colleagues drew blood from two groups of 51 children each,all 6 to 15 years old and living in six counties around Cleveland.In one group,the average IQ is 103.All the children are white .Isolating the blood cells,the researchers then examined each child's chromosome 6 .Of the37 landmarks on chromosome 6 that the researchers looked for,one jumped out:a form of gene called IGF2R occurred in twice as many children in the high-IQ group as in the average group-32 percent versus 16 percent. The study,in the May issue of the journal Psychological Science, concludes that it is this form of the IGF2R gene that contributes to intelligence.Some geneticists see major problems with the IQ-gene study.One is the possibility that Plomin's group fell for"chopsticks fallacy".Geneticists might think they've found a gene for chopsticks flexibility,but all they've really found is a gene more common in Asians than,say,Af-ricans.Similarly,Plomin's IQ gene might simply be one that is more common in groups that em-phasize academic achievement."What is the gene that they've found reflects ethnicity?"asks ge-neticist Andrew Feinberg of Johns Hopkins University."That alone might explain the link to intel-ligence,since IQ tests are known for being culturally sensitive and affected by a child's environ-ment."And Neil Risch of Standford University points out that if you look for 37 genes on a chro- mosome,as the researchers did,and find that one is more common in smarter kids,that might re- flect pure chance rather than a causal link between the gene and intelligence.Warns Feinberg:"I would take these findings with a whole box of salt." In the beginning of paragraph one we are told that scientists can not agree______.A: how many children learn by experienceB: how much of IQ comes from genesC: how many children inherit genes from parentsD: how much of IQ comes from intelligence
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考题 共用题干 How We Form First Impression1 We all have first impression of someone we just met.But why?Why do we form an opinion about someone without really knowing anything about him or her-aside perhaps from a few remarks or readily observable traits.2 The answer is related to how your brain allows you to be aware of the world.Your brain is so sensitive in picking up facial traits,even very minor difference in how a person's eyes,ears,nose,or mouth are placed in relation to each other makes you see him or her as different.In fact,your brain continuously processes incoming sensory information-the sights and sounds of your world.These incoming"signals"are compared against a host of"memories"stored in the brain areas called the cortex system to determine what these new signals"mean".3 if you see someone you know and like at school,your brain says"familiar and safe".If you see someone new,it says,"new-potentially threatening".Then your brain starts to match features of this stranger with other "known" memories.The height,weight,dress,ethnicity,gestures,and tone of voice are all matched up.The more unfamiliar the characteristics are,the more your brain may say,"This is new.I don't like this person".Or else, "I'm intrigued".Or your brain may perceive a new face but familiar clothes,ethnicity,gestures-like your other Friends;so your brain says,"I like this person".But these preliminary"impressions"can be dead wrong.4 When we stereotype people,we use a less mature form of thinking(not unlike the immature thinking of a very young child)that makes simplistic and categorical impressions of others.Rather than learn about the depth and breadth of people-their history,interest,values,strengths,and true character-we categorize them as jocks,geeks,or freaks.5 However,if we resist initial stereotypical impressions,we have a chance to be aware of what a person is truly like.If we spend time with a person,hear about his or her life,hopes,dreams,and become aware of the person's character,we use a different,more mature style of thinking-and the most complex areas of our cortex,which allow us to be humane.We can use our more mature style of thinking thanks to______.A:a stranger's less mature type of thinkingB:the most complex areas of our cortexC:the immature form of,thinking of a very young childD:the meaning of incoming sensory informationE:the sights and sounds of the worldF:an opportunity to analyze different forms of thinking
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考题 共用题干 How We Form First Impression1 We all have first impression of someone we just met.But why?Why do we form an opinion about someone without really knowing anything about him or her-aside perhaps from a few remarks or readily observable traits.2 The answer is related to how your brain allows you to be aware of the world.Your brain is so sensitive in picking up facial traits,even very minor difference in how a person's eyes,ears,nose,or mouth are placed in relation to each other makes you see him or her as different.In fact,your brain continuously processes incoming sensory information-the sights and sounds of your world.These incoming"signals"are compared against a host of"memories"stored in the brain areas called the cortex system to determine what these new signals"mean".3 if you see someone you know and like at school,your brain says"familiar and safe".If you see someone new,it says,"new-potentially threatening".Then your brain starts to match features of this stranger with other "known" memories.The height,weight,dress,ethnicity,gestures,and tone of voice are all matched up.The more unfamiliar the characteristics are,the more your brain may say,"This is new.I don't like this person".Or else, "I'm intrigued".Or your brain may perceive a new face but familiar clothes,ethnicity,gestures-like your other Friends;so your brain says,"I like this person".But these preliminary"impressions"can be dead wrong.4 When we stereotype people,we use a less mature form of thinking(not unlike the immature thinking of a very young child)that makes simplistic and categorical impressions of others.Rather than learn about the depth and breadth of people-their history,interest,values,strengths,and true character-we categorize them as jocks,geeks,or freaks.5 However,if we resist initial stereotypical impressions,we have a chance to be aware of what a person is truly like.If we spend time with a person,hear about his or her life,hopes,dreams,and become aware of the person's character,we use a different,more mature style of thinking-and the most complex areas of our cortex,which allow us to be humane.Sensory information is one that is perceived through______.A:a stranger's less mature type of thinkingB:the most complex areas of our cortexC:the immature form of,thinking of a very young childD:the meaning of incoming sensory informationE:the sights and sounds of the worldF:an opportunity to analyze different forms of thinking
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考题 共用题干 How We Form First Impression1 We all have first impression of someone we just met.But why?Why do we form an opinion about someone without really knowing anything about him or her-aside perhaps from a few remarks or readily observable traits.2 The answer is related to how your brain allows you to be aware of the world.Your brain is so sensitive in picking up facial traits,even very minor difference in how a person's eyes,ears,nose,or mouth are placed in relation to each other makes you see him or her as different.In fact,your brain continuously processes incoming sensory information-the sights and sounds of your world.These incoming"signals"are compared against a host of"memories"stored in the brain areas called the cortex system to determine what these new signals"mean".3 if you see someone you know and like at school,your brain says"familiar and safe".If you see someone new,it says,"new-potentially threatening".Then your brain starts to match features of this stranger with other "known" memories.The height,weight,dress,ethnicity,gestures,and tone of voice are all matched up.The more unfamiliar the characteristics are,the more your brain may say,"This is new.I don't like this person".Or else, "I'm intrigued".Or your brain may perceive a new face but familiar clothes,ethnicity,gestures-like your other Friends;so your brain says,"I like this person".But these preliminary"impressions"can be dead wrong.4 When we stereotype people,we use a less mature form of thinking(not unlike the immature thinking of a very young child)that makes simplistic and categorical impressions of others.Rather than learn about the depth and breadth of people-their history,interest,values,strengths,and true character-we categorize them as jocks,geeks,or freaks.5 However,if we resist initial stereotypical impressions,we have a chance to be aware of what a person is truly like.If we spend time with a person,hear about his or her life,hopes,dreams,and become aware of the person's character,we use a different,more mature style of thinking-and the most complex areas of our cortex,which allow us to be humane.The way we stereotype people is a less mature form of thinking,which is similar to______.A:a stranger's less mature type of thinkingB:the most complex areas of our cortexC:the immature form of,thinking of a very young childD:the meaning of incoming sensory informationE:the sights and sounds of the worldF:an opportunity to analyze different forms of thinking
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考题 共用题干 How We Form First Impression1 We all have first impression of someone we just met.But why?Why do we form an opinion about someone without really knowing anything about him or her-aside perhaps from a few remarks or readily observable traits.2 The answer is related to how your brain allows you to be aware of the world.Your brain is so sensitive in picking up facial traits,even very minor difference in how a person's eyes,ears,nose,or mouth are placed in relation to each other makes you see him or her as different.In fact,your brain continuously processes incoming sensory information-the sights and sounds of your world.These incoming"signals"are compared against a host of"memories"stored in the brain areas called the cortex system to determine what these new signals"mean".3 if you see someone you know and like at school,your brain says"familiar and safe".If you see someone new,it says,"new-potentially threatening".Then your brain starts to match features of this stranger with other "known" memories.The height,weight,dress,ethnicity,gestures,and tone of voice are all matched up.The more unfamiliar the characteristics are,the more your brain may say,"This is new.I don't like this person".Or else, "I'm intrigued".Or your brain may perceive a new face but familiar clothes,ethnicity,gestures-like your other Friends;so your brain says,"I like this person".But these preliminary"impressions"can be dead wrong.4 When we stereotype people,we use a less mature form of thinking(not unlike the immature thinking of a very young child)that makes simplistic and categorical impressions of others.Rather than learn about the depth and breadth of people-their history,interest,values,strengths,and true character-we categorize them as jocks,geeks,or freaks.5 However,if we resist initial stereotypical impressions,we have a chance to be aware of what a person is truly like.If we spend time with a person,hear about his or her life,hopes,dreams,and become aware of the person's character,we use a different,more mature style of thinking-and the most complex areas of our cortex,which allow us to be humane.You interpret______by comparing it against the memories already stored in your brain.A:a stranger's less mature type of thinkingB:the most complex areas of our cortexC:the immature form of,thinking of a very young childD:the meaning of incoming sensory informationE:the sights and sounds of the worldF:an opportunity to analyze different forms of thinking
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考题 单选题Passage1Children who spend more than two hours a day at a computer or watching television are more likely than others to have mental problems，scientists say.Researchers found that 11-year-olds who spent several hours in front of a screen each day did worse on mental health tests，no matter how much physical exercise they got. The University of Bristol study，published in Pediatrics，involved more than 1，000 children aged about 10.They also had the kids fill out questionnaires designed to gauge the kids' emotional well-being and behavior.The questionnaires contained 20 questions covering five sections-emotional difficulties，conduct problems，hyperactivity or inattention，friendships and peer groups and problems relating to friends and peer groups.The study found no direct evidence that sitting in front of a screen actually causes mental health problems. Instead，it suggests that children with difficulties，such as extreme shyness，are more likely to choose TV or computer games than sociable activities. In the study，children were asked whether they agreed，disagreed or somewhat agree with a list of statements，including，"I generally play alone or keep to myself" and，"I am often unhappy or tearful".They were also asked how much exercise they took and how long they spent at a TV or computer screen.According to the study，children who spent more than two hours a day at a screen had a 60% higher risk of mental problems than children who spent fewer viewing hours. The risk was only slightly higher in children who did little or no exercise."Physical activity is good for health in many ways，but it can't make up for long hours of screen viewing. Parents should consider limiting their children's screen viewing to no more than 2 hours a day，”said the study organizer，Angie Page.Previous studies have raised concerns that watching too much television can affect children's behavior in later life. A Canadian study found that those who watched most TV as young children performed worse at school, ate more junk food and had more trouble concentrating.What is the passage mainly about?A It describes the reasons people watch television.B It reports the findings of a scientific study.C It discusses ways to improve children's physical health.D It advises parents on raising their children.
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考题 单选题We can learn from the passage that ants are _____.A not willing to share foodB not found around the polesC more successful than all other animalsD too many to achieve any level of organization
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考题 单选题Passage1Children who spend more than two hours a day at a computer or watching television are more likely than others to have mental problems，scientists say.Researchers found that 11-year-olds who spent several hours in front of a screen each day did worse on mental health tests，no matter how much physical exercise they got. The University of Bristol study，published in Pediatrics，involved more than 1，000 children aged about 10.They also had the kids fill out questionnaires designed to gauge the kids' emotional well-being and behavior.The questionnaires contained 20 questions covering five sections-emotional difficulties，conduct problems，hyperactivity or inattention，friendships and peer groups and problems relating to friends and peer groups.The study found no direct evidence that sitting in front of a screen actually causes mental health problems. Instead，it suggests that children with difficulties，such as extreme shyness，are more likely to choose TV or computer games than sociable activities. In the study，children were asked whether they agreed，disagreed or somewhat agree with a list of statements，including，"I generally play alone or keep to myself" and，"I am often unhappy or tearful".They were also asked how much exercise they took and how long they spent at a TV or computer screen.According to the study，children who spent more than two hours a day at a screen had a 60% higher risk of mental problems than children who spent fewer viewing hours. The risk was only slightly higher in children who did little or no exercise."Physical activity is good for health in many ways，but it can't make up for long hours of screen viewing. Parents should consider limiting their children's screen viewing to no more than 2 hours a day，”said the study organizer，Angie Page.Previous studies have raised concerns that watching too much television can affect children's behavior in later life. A Canadian study found that those who watched most TV as young children performed worse at school, ate more junk food and had more trouble concentrating.How can children improve mental health according to the passage？A By limiting TV and computer use to less than two hours a day.B By getting more physical exercise.C By playing more educational computer games.D By going to bed earlier each night.
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考题 单选题Passage1Children who spend more than two hours a day at a computer or watching television are more likely than others to have mental problems，scientists say.Researchers found that 11-year-olds who spent several hours in front of a screen each day did worse on mental health tests，no matter how much physical exercise they got. The University of Bristol study，published in Pediatrics，involved more than 1，000 children aged about 10.They also had the kids fill out questionnaires designed to gauge the kids' emotional well-being and behavior.The questionnaires contained 20 questions covering five sections-emotional difficulties，conduct problems，hyperactivity or inattention，friendships and peer groups and problems relating to friends and peer groups.The study found no direct evidence that sitting in front of a screen actually causes mental health problems. Instead，it suggests that children with difficulties，such as extreme shyness，are more likely to choose TV or computer games than sociable activities. In the study，children were asked whether they agreed，disagreed or somewhat agree with a list of statements，including，I generally play alone or keep to myself and，I am often unhappy or tearful.They were also asked how much exercise they took and how long they spent at a TV or computer screen.According to the study，children who spent more than two hours a day at a screen had a 60% higher risk of mental problems than children who spent fewer viewing hours. The risk was only slightly higher in children who did little or no exercise.Physical activity is good for health in many ways，but it can't make up for long hours of screen viewing. Parents should consider limiting their children's screen viewing to no more than 2 hours a day，”said the study organizer，Angie Page.Previous studies have raised concerns that watching too much television can affect children's behavior in later life. A Canadian study found that those who watched most TV as young children performed worse at school, ate more junk food and had more trouble concentrating.What information can we get about the University of Bristol study?A The results of it have been published.B All kids who take part in the study had an interview.C The questionnaires of it contained five questions.D It was done by an elementary school.
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考题 单选题Passage1Children who spend more than two hours a day at a computer or watching television are more likely than others to have mental problems，scientists say.Researchers found that 11-year-olds who spent several hours in front of a screen each day did worse on mental health tests，no matter how much physical exercise they got. The University of Bristol study，published in Pediatrics，involved more than 1，000 children aged about 10.They also had the kids fill out questionnaires designed to gauge the kids' emotional well-being and behavior.The questionnaires contained 20 questions covering five sections-emotional difficulties，conduct problems，hyperactivity or inattention，friendships and peer groups and problems relating to friends and peer groups.The study found no direct evidence that sitting in front of a screen actually causes mental health problems. Instead，it suggests that children with difficulties，such as extreme shyness，are more likely to choose TV or computer games than sociable activities. In the study，children were asked whether they agreed，disagreed or somewhat agree with a list of statements，including，"I generally play alone or keep to myself" and，"I am often unhappy or tearful".They were also asked how much exercise they took and how long they spent at a TV or computer screen.According to the study，children who spent more than two hours a day at a screen had a 60% higher risk of mental problems than children who spent fewer viewing hours. The risk was only slightly higher in children who did little or no exercise."Physical activity is good for health in many ways，but it can't make up for long hours of screen viewing. Parents should consider limiting their children's screen viewing to no more than 2 hours a day，”said the study organizer，Angie Page.Previous studies have raised concerns that watching too much television can affect children's behavior in later life. A Canadian study found that those who watched most TV as young children performed worse at school, ate more junk food and had more trouble concentrating.Which of the children behavior below leads to the highest risk of the mental problems, according to the University of Bristol study?A Playing computer every day.B Watching TV 3 hours per day.C Doing few physical activities.D Owning few friends.
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考题 单选题Passage1Children who spend more than two hours a day at a computer or watching television are more likely than others to have mental problems，scientists say.Researchers found that 11-year-olds who spent several hours in front of a screen each day did worse on mental health tests，no matter how much physical exercise they got. The University of Bristol study，published in Pediatrics，involved more than 1，000 children aged about 10.They also had the kids fill out questionnaires designed to gauge the kids' emotional well-being and behavior.The questionnaires contained 20 questions covering five sections-emotional difficulties，conduct problems，hyperactivity or inattention，friendships and peer groups and problems relating to friends and peer groups.The study found no direct evidence that sitting in front of a screen actually causes mental health problems. Instead，it suggests that children with difficulties，such as extreme shyness，are more likely to choose TV or computer games than sociable activities. In the study，children were asked whether they agreed，disagreed or somewhat agree with a list of statements，including，I generally play alone or keep to myself and，I am often unhappy or tearful.They were also asked how much exercise they took and how long they spent at a TV or computer screen.According to the study，children who spent more than two hours a day at a screen had a 60% higher risk of mental problems than children who spent fewer viewing hours. The risk was only slightly higher in children who did little or no exercise.Physical activity is good for health in many ways，but it can't make up for long hours of screen viewing. Parents should consider limiting their children's screen viewing to no more than 2 hours a day，”said the study organizer，Angie Page.Previous studies have raised concerns that watching too much television can affect children's behavior in later life. A Canadian study found that those who watched most TV as young children performed worse at school, ate more junk food and had more trouble concentrating.How did the researchers carry out the study?A By reviewing children's records online.B By interviewing children's parents.C By watching children in their home.D By asking children questions.
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考题 单选题Passage 2Several research teams have found that newborns prefer their mothers' voices over those of other people. Now a team of scientists has gone an intriguing step further: they have found that newborns cry in their native language.We have provided evidence that language begins with the very first cry melodies,says Kathleen Wermke of the University of Wirzburg, Germany, who led the research.The dramatic finding of this study is that not only are newborns capable of producing different cry melodies, but they prefer to produce those melody patterns that are typical for the ambient language they have heard during their fetal life, within the last trimester,said Wermke.Contraryto orthodox interpretations, these data support the importance of human infants' crying for seeding language development.It had been thought that babies' cries are constrained by their breathing patterns and respiratory apparatus, in which case a crying baby would sound like a crying baby no matter what the culture is, since babies are anatomically identical.The prevailing opinion used to be that newborns could not actively influence their production of sound,says Wermke. This study refutes that claim: since babies cry in different languages, they must have some control(presumably unconscious) over what they sound like rather than being constrained by the acoustical properties of their lungs, throat, mouth, and larynx. If respiration alone dictated what a cry sounded like, all babies would cry with a falling-pitch pattern, since that's what happens as you run out of breath and air pressure on the throat's sound-making machinery decreases. French babies apparently didn't get that memo.German and French infants produce different types of cries, even though they share the same physiology,the scientists point out.The French newborns produce ' nonphysiological' rising patterns,showing that the sound of their cries is under their control.Although phonemes-speech sounds such as kiorsh-don't cross the abdominal barrier and reach the fetus, so-called prosodic characteristics of speech do. These are the variations in pitch, rhythm, and intensity that characterize each language. Just as newborns remember and prefer actualsongs that they heard in utero, it seems, so they remember and prefer both the sound of Mom's voice and the melodic signature of her language.The idea of the study wasn't to make the sound of a screaming baby more interesting to listeners-good luck with that-but to explore how babies acquire speech. That acquisition, it is now clear, begins months before birth, probably in the third trimester. Newborns not only have memorized the main intonation patterns of their respective surrounding language but are also able to reproduce these patterns in their own [ sound] production,conclude the scientists. Newborns'cries are already tuned toward their native language, giving them a head start on sounding French or German (or, presumably, English or American or Chinese or anything else: the scientists are collecting cries from more languages). This is likely part of the explanation for how babies develop spoken language quickly and seemingly without effort. Sure, we may come into the world wired for language(thank you, Noam Chomsky), but we also benefit from the environmental exposure that tells us which language.Until this study, scientists thought that babies became capable of vocal imitation no earlier than12 weeks of age. That's when infants listening to an adult speaker producing vowels can parrot the sound. But that's the beginning of true speech. It's sort of amazing that it took this long for scientists to realize that if they want to see what sounds babies can perceive, remember, and play back, they should look at the sound babies produce best. So let the little angel cry: she's practicing to acquire language.What can be inferred from the last paragraph？A Babies'cries have long been the concerns of scientists.B Babies start their speech acquisition at the age of three months.C Studying babies'cries helps us understand their speech perception.D Babies'true speech，rather than their cries，should be the focus of study.
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