单选题The passage mainly talks about ______.A taking a nap during the dayB the disadvantages of taking a napC Americans who don’t have a nap during the weekendsD the advantages of deep sleep

考题 (c) Assess the advantages and disadvantages to Datum Paper Products taking the greenfield option as opposedto the acquisition of Papier Presse. (15 marks)

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考题听材料，回答下列问题： Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard.Finally, when the passage is read for the third time, you should check what you have written. Shift work is concentrated in the most dangerous areas of employment. It has various effects on health and daily life. Shift workers, especially those who work nights, can 26 a number of health problems. They include sleep 27 , depression, high blood pressure, heart disease, and 28 Experts now realize that sleep loss are dangerous and that night shift always results in sleep loss. Most people need 8 hours of sleep a day to feel 29 . Parts of the night sleep are spent in light sleep stages and the other parts of the night are spent in deep sleep stages. If you work the night shift and sleep during the day, there are many things that can 30 your deep sleep and awaken you during your light sleep phase. Noise is the biggest problem. Daytime sleepers have to 31 noisy neighbors, children, traffic, lawn mowers and such. Noise is the most common 32 of people who sleep during the day, so noise prevention should be given top priority. When looking for a home to rent or buy, always look for one in a quiet 33 Another sleep 34 is too much light. Our bodys entire cycle is based upon light and dark. If you are doing the opposite of this set body program, you are 35 generations of programming. Since sunlight will disturb your day you should choose a house where the bedroom is on the north side of the house. Wear a black eye mask to further block out the light while you are sleeping. 第26题应填____

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考题 Passage OneAnimals have different ways of protecting themselves against wintertime weather. Some animals grow heavy coats of fur or feathers, while others dig into the ground to find a warm wintertime home.Some animals spend the winter in a deep sleep because by going to sleep they avoid the time of the year when food is scarce and the temperatures are low. Their sleep is known as hibernation.There is much about hibernation that puzzles scientists. For example, they are wondering how hibernation came into being. Some scientists have explored the possibility that animals release a chemical that starts them hibernating.One thing that scientists are certain about is that animals hibernate only when it is cold. Hibernation is a seasonal practice.Some animals that fall into a wintertime sleep are not true hibernators because they spend only a part of the cold season asleep. Bears, for example, can easily be awakened from their winter nap. They are not true hibernators.Sometimes it is difficult to determine whether a particular animal is a true hibernator. For example, some mice hibernate, but others do not. The same is true of bats. Some of them hibernate. Others do not.36. Hibernation is a seasonal practice. This means it ______.A. takes place only during a particular seasonB. occurs only during the nightC. is a daily practiceD. only happens when a species becomes over-populated

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考题 Don’t worry. We have enough time to finish ____ the food and drinks before the guests arrive.A. setting asideB. laying outC. smoothing outD. taking over

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考题 67 ．We can learn from the passage that businesses will .A．have a strong desire to reduce costsB．use the same logo in their marketingC．gain advantages by taking early actionD．attract more shoppers by storing goods

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考题 Passage 2 For centuries in Spain and Latin America, heading home for lunch and a snooze with the familywas some thing like a national right, but with global capitalism standardizing work hours, this idyllichabit is fast becoming an endangered pleasure. Ironically, all this is happening just as researchers arebeginning to note the health benefits of the afternoon nap. According to a nationwide survey, less than 25 percent of Spaniards still enjoy siestas. And likeSpain, much of Latin America has adopted Americanized work schedules, too, with shortened lunchtimes and more rigid work hours. Last year the Mexican government passed a law limiting lunchbreaks to one hour and requiring its employees to work their eight-hour shift between 7 a.m. and 6 p.m. Before the mandate, workers would break up the shift--going home midday for a long break withthe family and returning to work until about 9 or 10 p.m. The idea of siesta is changing in Greece,Italy and Portugal, too, as they rush to join their more "industrious" counterparts in the globalmarket. Most Americans I know covet sleep, but the idea of taking a nap mid-afternoon equates withlaziness, un employment and general sneakiness. Yet according to a National Sleep Survey poll,65percent of adults do not get enough sleep. Numerous scientific studies document the benefits of naptaking, including one 1997 study on the deleterious effects of sleep deprivation in the journal Inter-nal Medicine. The researchers found that fatigue harms not only marital and social relations butworker productivity. According to Mark Rosekind, a former NASA scientist and founder of Solutions in Cupertino,Calif., which educates businesses about the advantages of sanctioning naps, we′ re biologically pro-grammed to get sleepy between 3 and 5 p.m. and 3 and 5 a.m. Our internal timekeeper--called thecircadian clock--operates on a 24-hour rotation and every 12 hours there′s a dip. In accordancewith these natural sleep rhythms, Rosekind recommends that naps be either for 40 minutes or for twohours. Latin American countries, asserts Rosekind, have had it right all along. They′ ve been in syncwith their clocks; we haven′t. Since most of the world is sleep-deprived, getting well under the recommended eight hours anight (adults get an average of 6.5 hours nightly), we usually operate on a kind of idle midday. Napsare even more useful now that most of us forfeit sleep because of insane work schedules, longercommute times and stress, In a study published last April, Brazilian medical researchers noted thatblood pressure and arterial blood pressure dropped during a siesta. The author suggests that most Americans feel that__________. A.Spanish culture is inefficient B.nap-taking will put their jobs at risk C.nap-taking is a sign of laziness D.they get plenty of sleep

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考题 Passage 2 For centuries in Spain and Latin America, heading home for lunch and a snooze with the familywas some thing like a national right, but with global capitalism standardizing work hours, this idyllichabit is fast becoming an endangered pleasure. Ironically, all this is happening just as researchers arebeginning to note the health benefits of the afternoon nap. According to a nationwide survey, less than 25 percent of Spaniards still enjoy siestas. And likeSpain, much of Latin America has adopted Americanized work schedules, too, with shortened lunchtimes and more rigid work hours. Last year the Mexican government passed a law limiting lunchbreaks to one hour and requiring its employees to work their eight-hour shift between 7 a.m. and 6 p.m. Before the mandate, workers would break up the shift--going home midday for a long break withthe family and returning to work until about 9 or 10 p.m. The idea of siesta is changing in Greece,Italy and Portugal, too, as they rush to join their more "industrious" counterparts in the globalmarket. Most Americans I know covet sleep, but the idea of taking a nap mid-afternoon equates withlaziness, un employment and general sneakiness. Yet according to a National Sleep Survey poll,65percent of adults do not get enough sleep. Numerous scientific studies document the benefits of naptaking, including one 1997 study on the deleterious effects of sleep deprivation in the journal Inter-nal Medicine. The researchers found that fatigue harms not only marital and social relations butworker productivity. According to Mark Rosekind, a former NASA scientist and founder of Solutions in Cupertino,Calif., which educates businesses about the advantages of sanctioning naps, we′ re biologically pro-grammed to get sleepy between 3 and 5 p.m. and 3 and 5 a.m. Our internal timekeeper--called thecircadian clock--operates on a 24-hour rotation and every 12 hours there′s a dip. In accordancewith these natural sleep rhythms, Rosekind recommends that naps be either for 40 minutes or for twohours. Latin American countries, asserts Rosekind, have had it right all along. They′ ve been in syncwith their clocks; we haven′t. Since most of the world is sleep-deprived, getting well under the recommended eight hours anight (adults get an average of 6.5 hours nightly), we usually operate on a kind of idle midday. Napsare even more useful now that most of us forfeit sleep because of insane work schedules, longercommute times and stress, In a study published last April, Brazilian medical researchers noted thatblood pressure and arterial blood pressure dropped during a siesta. This text is mainly about __________. A.the health benefits of afternoon naps B.the negative effects of sleep-deprivation on health and worker productivity C.the importance of the siesta tradition in Spain and Latin America D.the siesta tradition and its health benefits

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考题共用题干第二篇Not all sleep is the same every night.We experience some deep,quiet sleep and some active sleep,which is when dreams happen.You might think sleepwalking would happen during active sleep,but a person isn't physically active during active sleep.Sleepwalking usually happens in the first few hours of sleep in the stage called slow-wave or deep sleep.Not all sleepwalkers actually walk.Some simply sit up or stand in bed or act like they're awake when in fact,they're asleep! Most,however,do get up and move around for a few seconds or for as long as haff an hour.Sleepwalkers' eyes are open,but they don't see the same way they do when they're awake and often think they're in different rooms of the house or different places altogether. Sleepwalkers tend to go back to bed on their own and they won't remember it in the morning.Researchers estimate that about 15% of kids sleepwalk regularly. Sleepwalking may run in families（在家族中世代相传）and sometimes occurs when a person is sick, has a fever, is not getting enough sleep,or is stressed（紧张）.If sleepwalking occurs frequently,every night or so,it's a good idea for your mom or dad to take you to see your doctor. But occasional sleepwalking generally isn't something to worry about,although it may look funny or even scary（骇人的）for the people who see a sleepwalker in action.Although occasional sleepwalking isn't a big deal,it's important,of course,that the person is kept safe. Precautions（预防措施）should be taken so the person is less likely to fall down, run into something,or walk out the front door while sleepwalking.When does sleepwalking usually occur?A:During active sleep.B:During deep sleep.C:In the daytime.D:In the early morning.

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考题共用题干 I don't think there is anything wrong with your blood.______(46).If you don't sleep for hours during the early part of the evening,you would be more ready to sleep at bedtime.If you didn't nap after dinner,you would not want to stay up so late,and you would not feel the need to take a sleeping pill.______(47).This helps account for the fact that you feel tired all day.You should get out of the habit of sleeping during the evening. Right after your evening meal,engage in some sort of physical activity一a sport such as bowling,perhaps.______(48).Then go to bed at your usual time or a little earlier,and you should be able to get a good night's rest without taking a pill.If you can get into the habit of spending your evenings this way,I am sure you will feel less tired during the day.______(49).If so,get up and watch television or do some jobs around your house until you feel sleepy.If you fall asleep and then wake up a few hours later,get up but do not take a sleeping pill.Read a while or listen to the radio,and make yourself a few hours' sleep that night.You will feel better in the morning than you usually feel after taking a pill.______ (50).The most important thing is to avoid taking that nap right after dinner and avoid taking pills.________（50）A:The key to your problem is that long nap after dinnerB:Or get together with friends for an evening of cards and conversationC:At first it may be hard for you to go to sleep without taking a pillD:The next night you will be ready to sleep at an earlier hourE:Having difficulty sleeping is a common problem shared by many people F: The pill is still working in your system when you get up in the morning

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考题单选题请阅读Passage 2,完成第 26~30小题。Passage 2For centuries in Spain and Latin America, heading home for lunch and a snooze with the family was some thing like a national right, but with global capitalism standardizing work hours, this idyllic habit is fast becoming an endangered pleasure. Ironically, all this is happening just as researchers are beginning to note the health benefits of the afternoon nap.According to a nationwide survey, less than 25 percent of Spaniards still enjoy siestas. And like Spain, much of Latin America has adopted Americanized work schedules, too, with shortened lunch times and more rigid work hours. Last year the Mexican government passed a law limiting lunch breaks to one hour and requiring its employees to work their eight-hour shift between 7 a.m. and 6 p.m. Before the mandate, workers would break up the shift-going home midday for a long break with the family and returning to work until about 9 or 10 p.m. The idea of siesta is changing in Greece, Italy and Portugal, too, as they rush to join their more industrious counterparts in the global market.Most Americans I know covet sleep, but the idea of taking a nap mid-afternoon equates with laziness, un employment and general sneakiness. Yet according to a National Sleep Survey poll, 65 percent of adults do not get enough sleep. Numerous scientific studies document the benefits of nap taking, including one1997 study on the deleterious effects of sleep deprivation in the journal Internal Medicine. The researchers found that fatigue harms not only marital and social relations but worker productivity.According to Mark Rosekind, a former NASA scientist and founder of Solutions in Cupertino, Calif., which educates businesses about the advantages of sanctioning naps, we're biologically programmed to get sleepy between 3 and 5 p.m. and 3 and 5 a.m. Our internal timekeeper-called the circadian clock-operates on a 24-hour rotation and every 12 hours there's a dip. In accordance with these natural sleep rhythms, Rosekind recommends that naps be either for 40 minutes or for two hours. Latin American countries, asserts Rosekind, have had it right all along. They've been in sync with their clocks; we haven't.Since most of the world is sleep-deprived, getting well under the recommended eight hours a night (adults get an average of 6.5 hours nightly), we usually operate on a kind ofidle midday. Naps are even more useful now that most of us forfeit sleep because of insane work schedules, longer commute times and stress, In a study published last April, Brazilian medical researchers noted that blood pressure and arterial blood pressure dropped during a siesta.The word covet in Paragraph 3 most likely means ____.A needB desireC lackD value

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考题单选题Women who smoke during pregnancy produce _____.A lighter babies than those who don'tB heavier babies than those who don'tC babies who can't live longD babies who suffer from heart diseases

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考题单选题请阅读Passage 2,完成第 26~30小题。Passage 2For centuries in Spain and Latin America, heading home for lunch and a snooze with the family was some thing like a national right, but with global capitalism standardizing work hours, this idyllic habit is fast becoming an endangered pleasure. Ironically, all this is happening just as researchers are beginning to note the health benefits of the afternoon nap.According to a nationwide survey, less than 25 percent of Spaniards still enjoy siestas. And like Spain, much of Latin America has adopted Americanized work schedules, too, with shortened lunch times and more rigid work hours. Last year the Mexican government passed a law limiting lunch breaks to one hour and requiring its employees to work their eight-hour shift between 7 a.m. and 6 p.m. Before the mandate, workers would break up the shift-going home midday for a long break with the family and returning to work until about 9 or 10 p.m. The idea of siesta is changing in Greece, Italy and Portugal, too, as they rush to join their more industrious counterparts in the global market.Most Americans I know covet sleep, but the idea of taking a nap mid-afternoon equates with laziness, un employment and general sneakiness. Yet according to a National Sleep Survey poll, 65 percent of adults do not get enough sleep. Numerous scientific studies document the benefits of nap taking, including one1997 study on the deleterious effects of sleep deprivation in the journal Internal Medicine. The researchers found that fatigue harms not only marital and social relations but worker productivity.According to Mark Rosekind, a former NASA scientist and founder of Solutions in Cupertino, Calif., which educates businesses about the advantages of sanctioning naps, we're biologically programmed to get sleepy between 3 and 5 p.m. and 3 and 5 a.m. Our internal timekeeper-called the circadian clock-operates on a 24-hour rotation and every 12 hours there's a dip. In accordance with these natural sleep rhythms, Rosekind recommends that naps be either for 40 minutes or for two hours. Latin American countries, asserts Rosekind, have had it right all along. They've been in sync with their clocks; we haven't.Since most of the world is sleep-deprived, getting well under the recommended eight hours a night (adults get an average of 6.5 hours nightly), we usually operate on a kind ofidle midday. Naps are even more useful now that most of us forfeit sleep because of insane work schedules, longer commute times and stress, In a study published last April, Brazilian medical researchers noted that blood pressure and arterial blood pressure dropped during a siesta.The author suggests that most Americans feel that ____.A Spanish culture is inefficientB nap-taking will put their jobs at riskC nap-taking is a sign of lazinessD they get plenty of sleep

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考题判断题The government program aims to provide low-cost health care to the Americans who don’t have insurance.A 对B 错

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考题单选题Passage2For centuries in Spain and Latin America，heading home for lunch and a snooze with the family was something like a national right，but with global capitalism standardizing work hours，this idyllic habit is fast becoming an endangered pleasure.Ironically，all this is happening just as researchers are beginning to note the health benefits of the afternoon nap.According to a nationwide survey，less than 25 percent of Spaniards still enjoy siestas.And like Spain，much of Latin America has adopted Americanized work schedules，too，with shortened lunch times and more rigid work hours.Last year the Mexican government passed a law limiting lunch breaks to one hour and requiring its employees to work their eight-hour shift between 7 a.m. and 6p.m.Before the mandate，workers would break up the shift-going home midday for a long break with the family and returning to work until about 9 or 10 p.m. The idea of siesta is changing in Greece, Italy and Portugal, too, as they rush to join their more industriouscounterparts in the global market.Most Americans I know covet sleep, but the idea of taking a nap mid-afternoon equates with laziness, unemployment and general sneakiness. Yet according to a National Sleep Survey poll, 65 percent of adults do not get enough sleep. Numerous scientific studies document the benefits of nap taking, including one 1997 study on the deleterious effects of sleep deprivation in the journal Internal Medicine. The researchers found that fatigue harms not only marital and social relations but worker productivity.According to Mark Rosekind,a former NASA scientist and founder of Solutions in Cupertino, Calif, which educates businesses about the advantages of sanctioning naps, we' re biologically programmed to get sleepy between 3 and 5 p.m. and 3 and 5 a.m. Our internal timekeeper-called the circadian clock-operates on a 24-hour rotation and every 12 hours there's a dip. In accordance with these natural sleep rhythms, Rosekind recommends that naps be either for 40 minutes or for two hours. Latin American countries, asserts Rosekind, have had it right all along. They' ve been in sync with their clocks; we haven't.Since most of the world is sleep-deprived, getting well under the recommended eight hours a night(adults get an average of 6.5 hours nightly), we usually operate on a kind of idle midday. Naps are even more useful now that most of us forfeit sleep because of insane work schedules, longer commute times and stress, In a study published last April, Brazilian medical researchers noted that blood pressure and arterial blood pressure dropped during a siesta.The wordcovetin Paragraph 3 most likely means________.A needB desireC lackD value

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考题单选题Which of the following sentences is NOT true?A People celebrate World Wetlands Day by taking part in competitions.B People celebrate World Wetlands Day by taking hips to local wetlands.C People celebrate World Wetlands Day by listening to talks about the wetlands.D People celebrate World Wetlands Day by talking about the weather.

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考题单选题Passage2For centuries in Spain and Latin America，heading home for lunch and a snooze with the family was something like a national right，but with global capitalism standardizing work hours，this idyllic habit is fast becoming an endangered pleasure.Ironically，all this is happening just as researchers are beginning to note the health benefits of the afternoon nap.According to a nationwide survey，less than 25 percent of Spaniards still enjoy siestas.And like Spain，much of Latin America has adopted Americanized work schedules，too，with shortened lunch times and more rigid work hours.Last year the Mexican government passed a law limiting lunch breaks to one hour and requiring its employees to work their eight-hour shift between 7 a.m. and 6p.m.Before the mandate，workers would break up the shift-going home midday for a long break with the family and returning to work until about 9 or 10 p.m. The idea of siesta is changing in Greece, Italy and Portugal, too, as they rush to join their more industriouscounterparts in the global market.Most Americans I know covet sleep, but the idea of taking a nap mid-afternoon equates with laziness, unemployment and general sneakiness. Yet according to a National Sleep Survey poll, 65 percent of adults do not get enough sleep. Numerous scientific studies document the benefits of nap taking, including one 1997 study on the deleterious effects of sleep deprivation in the journal Internal Medicine. The researchers found that fatigue harms not only marital and social relations but worker productivity.According to Mark Rosekind,a former NASA scientist and founder of Solutions in Cupertino, Calif, which educates businesses about the advantages of sanctioning naps, we' re biologically programmed to get sleepy between 3 and 5 p.m. and 3 and 5 a.m. Our internal timekeeper-called the circadian clock-operates on a 24-hour rotation and every 12 hours there's a dip. In accordance with these natural sleep rhythms, Rosekind recommends that naps be either for 40 minutes or for two hours. Latin American countries, asserts Rosekind, have had it right all along. They' ve been in sync with their clocks; we haven't.Since most of the world is sleep-deprived, getting well under the recommended eight hours a night(adults get an average of 6.5 hours nightly), we usually operate on a kind of idle midday. Naps are even more useful now that most of us forfeit sleep because of insane work schedules, longer commute times and stress, In a study published last April, Brazilian medical researchers noted that blood pressure and arterial blood pressure dropped during a siesta.This text is mainly about_______.A the health benefits of afternoon napsB the negative effects of sleep-deprivation on health and worker productivityC the importance of the siesta tradition in Spain and Latin AmericaD the siesta tradition and its health benefits

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考题单选题Who will mainly handle the negotiation during store and spare parts transaction?（）A Chief engineerB Second engineerC Master

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考题单选题A: If I were you, I’d ride a bike to work. Taking a crowded bus during rush hours is really terrible.　　B: ______A Yeah, riding a bike is a healthful activity. Don’t you think?B Yes, you’re right. Buses are always very crowded during the rush hours.C Thank you for your advice. But my bike has got a flat tyre.D Certainly. I don’t see why so many people go to work by bus rather than by bike.

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考题单选题请阅读Passage 2,完成第 26~30小题。Passage 2For centuries in Spain and Latin America, heading home for lunch and a snooze with the family was some thing like a national right, but with global capitalism standardizing work hours, this idyllic habit is fast becoming an endangered pleasure. Ironically, all this is happening just as researchers are beginning to note the health benefits of the afternoon nap.According to a nationwide survey, less than 25 percent of Spaniards still enjoy siestas. And like Spain, much of Latin America has adopted Americanized work schedules, too, with shortened lunch times and more rigid work hours. Last year the Mexican government passed a law limiting lunch breaks to one hour and requiring its employees to work their eight-hour shift between 7 a.m. and 6 p.m. Before the mandate, workers would break up the shift-going home midday for a long break with the family and returning to work until about 9 or 10 p.m. The idea of siesta is changing in Greece, Italy and Portugal, too, as they rush to join their more industrious counterparts in the global market.Most Americans I know covet sleep, but the idea of taking a nap mid-afternoon equates with laziness, un employment and general sneakiness. Yet according to a National Sleep Survey poll, 65 percent of adults do not get enough sleep. Numerous scientific studies document the benefits of nap taking, including one1997 study on the deleterious effects of sleep deprivation in the journal Internal Medicine. The researchers found that fatigue harms not only marital and social relations but worker productivity.According to Mark Rosekind, a former NASA scientist and founder of Solutions in Cupertino, Calif., which educates businesses about the advantages of sanctioning naps, we're biologically programmed to get sleepy between 3 and 5 p.m. and 3 and 5 a.m. Our internal timekeeper-called the circadian clock-operates on a 24-hour rotation and every 12 hours there's a dip. In accordance with these natural sleep rhythms, Rosekind recommends that naps be either for 40 minutes or for two hours. Latin American countries, asserts Rosekind, have had it right all along. They've been in sync with their clocks; we haven't.Since most of the world is sleep-deprived, getting well under the recommended eight hours a night (adults get an average of 6.5 hours nightly), we usually operate on a kind ofidle midday. Naps are even more useful now that most of us forfeit sleep because of insane work schedules, longer commute times and stress, In a study published last April, Brazilian medical researchers noted that blood pressure and arterial blood pressure dropped during a siesta.We can infer from the second paragraph that Mexican workers now ____.A work fewer hours than in the pastB get home from work much later than in the pastC work more reasonable hours than in the pastD finish the workday earlier than in the past

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考题问答题Women who smoke during pregnancy produce babies on average about 5 to 8 ounces lighter than those who don't.

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考题单选题Which of the following is true?A Both parents and students think school holidays are perfect.B Parents can take care of their young children during all the holidays.C Students enjoy taking part in different kinds of activities during the holidays.D Students don’t like to have school trips to foreign countries during the holidays.

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考题单选题请阅读Passage 2,完成第 26~30小题。Passage 2For centuries in Spain and Latin America, heading home for lunch and a snooze with the family was some thing like a national right, but with global capitalism standardizing work hours, this idyllic habit is fast becoming an endangered pleasure. Ironically, all this is happening just as researchers are beginning to note the health benefits of the afternoon nap.According to a nationwide survey, less than 25 percent of Spaniards still enjoy siestas. And like Spain, much of Latin America has adopted Americanized work schedules, too, with shortened lunch times and more rigid work hours. Last year the Mexican government passed a law limiting lunch breaks to one hour and requiring its employees to work their eight-hour shift between 7 a.m. and 6 p.m. Before the mandate, workers would break up the shift-going home midday for a long break with the family and returning to work until about 9 or 10 p.m. The idea of siesta is changing in Greece, Italy and Portugal, too, as they rush to join their more industrious counterparts in the global market.Most Americans I know covet sleep, but the idea of taking a nap mid-afternoon equates with laziness, un employment and general sneakiness. Yet according to a National Sleep Survey poll, 65 percent of adults do not get enough sleep. Numerous scientific studies document the benefits of nap taking, including one1997 study on the deleterious effects of sleep deprivation in the journal Internal Medicine. The researchers found that fatigue harms not only marital and social relations but worker productivity.According to Mark Rosekind, a former NASA scientist and founder of Solutions in Cupertino, Calif., which educates businesses about the advantages of sanctioning naps, we're biologically programmed to get sleepy between 3 and 5 p.m. and 3 and 5 a.m. Our internal timekeeper-called the circadian clock-operates on a 24-hour rotation and every 12 hours there's a dip. In accordance with these natural sleep rhythms, Rosekind recommends that naps be either for 40 minutes or for two hours. Latin American countries, asserts Rosekind, have had it right all along. They've been in sync with their clocks; we haven't.Since most of the world is sleep-deprived, getting well under the recommended eight hours a night (adults get an average of 6.5 hours nightly), we usually operate on a kind ofidle midday. Naps are even more useful now that most of us forfeit sleep because of insane work schedules, longer commute times and stress, In a study published last April, Brazilian medical researchers noted that blood pressure and arterial blood pressure dropped during a siesta.This text is mainly about ____.A the health benefits of afternoon napsB the negative effects of sleep-deprivation on health and worker productivityC the importance of the siesta tradition in Spain and Latin AmericaD the siesta tradition and its health benefits

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考题单选题Passage2For centuries in Spain and Latin America，heading home for lunch and a snooze with the family was something like a national right，but with global capitalism standardizing work hours，this idyllic habit is fast becoming an endangered pleasure.Ironically，all this is happening just as researchers are beginning to note the health benefits of the afternoon nap.According to a nationwide survey，less than 25 percent of Spaniards still enjoy siestas.And like Spain，much of Latin America has adopted Americanized work schedules，too，with shortened lunch times and more rigid work hours.Last year the Mexican government passed a law limiting lunch breaks to one hour and requiring its employees to work their eight-hour shift between 7 a.m. and 6p.m.Before the mandate，workers would break up the shift-going home midday for a long break with the family and returning to work until about 9 or 10 p.m. The idea of siesta is changing in Greece, Italy and Portugal, too, as they rush to join their more industriouscounterparts in the global market.Most Americans I know covet sleep, but the idea of taking a nap mid-afternoon equates with laziness, unemployment and general sneakiness. Yet according to a National Sleep Survey poll, 65 percent of adults do not get enough sleep. Numerous scientific studies document the benefits of nap taking, including one 1997 study on the deleterious effects of sleep deprivation in the journal Internal Medicine. The researchers found that fatigue harms not only marital and social relations but worker productivity.According to Mark Rosekind,a former NASA scientist and founder of Solutions in Cupertino, Calif, which educates businesses about the advantages of sanctioning naps, we' re biologically programmed to get sleepy between 3 and 5 p.m. and 3 and 5 a.m. Our internal timekeeper-called the circadian clock-operates on a 24-hour rotation and every 12 hours there's a dip. In accordance with these natural sleep rhythms, Rosekind recommends that naps be either for 40 minutes or for two hours. Latin American countries, asserts Rosekind, have had it right all along. They' ve been in sync with their clocks; we haven't.Since most of the world is sleep-deprived, getting well under the recommended eight hours a night(adults get an average of 6.5 hours nightly), we usually operate on a kind of idle midday. Naps are even more useful now that most of us forfeit sleep because of insane work schedules, longer commute times and stress, In a study published last April, Brazilian medical researchers noted that blood pressure and arterial blood pressure dropped during a siesta.The author suggests that most Americans feel that ________.A Spanish culture is inefficientB nap-taking will put their jobs at riskC nap-taking is a sign of lazinessD they get plenty of sleep

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考题单选题As much is known about what occurs during sleep, the precise function of sleep and its different stages remains largely in the realm of assumption.A Because B Since C For D While

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考题单选题The passage is mainly about _____.A earthquakes and their effectsB the way of earthquakes taking placeC the classification of earthquakesD the damaging results of earthquakes

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考题单选题Some people think the railways are unnecessary because _____.A motorcars and planes have taken the place of trainsB the fee of taking trains is expensive todayC railways don’t go in a straight lineD railways earn a large amount of money

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考题单选题The passage is mainly written for ______.A students at schoolB people who don’t like runningC students who never have breakfastD people who want to improve health

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