29. If you don’t get enough sleep at night, you’ll have _____ energy the next day.A. fewerB. muchC. less D. more

29. If you don’t get enough sleep at night, you’ll have _____ energy the next day.

A. fewerB. muchC. less D. more


相关考题:

If you don't give ______smoking, you'll never get better.A. offB. upC. outD. in

Do you know how to study better and make your study more effective(有效率的)? We all know that Chinese students usually study very hard for long (11) .This is very good,but it doesn't (12)a lot,for an efficient student must have enough sleep,enough food and enough rest and exercise. Every day you need to go out for a walk or visit some friends or some places. lt' s good for your study.When you return (13) your study,your mind will be refreshed and you'll learn more (14) study better. Psychologists(心理学家)(15) that learning takes place this way. Here takes English learning (16) example. First you make a lot of progress and you feel happy. Then your language study seems (17) the same,so you will think you're learning (18) and you may give up. This can last for days or even weeks,yet you needn't give up. At some points your language study will again take another big (19) . You will see that you really have been: learning all long. lf you get enough sleep,food,rest and exercise,studying English can be very. effective and (20) Don-t give up along the way learning slowly and you're sure to agood result.( )11.A.daysB.timeC.hoursD.weeks

AIn China,more and more middle school students are getting shorter sleeping time than be-fore. Most students sleep less than nine hours every night,because they have much homework to do. Some homework is given by their teachers,and some by their parents. Also,some students don't know how to save time .They are not careful enough while they do their homework,so it takes them a Iot of time. Some students spend too much time watching TV or playing computer games.They stay up very late. Some students have to get up early every morning on weekdays to get to school on time by bus or by bike.lt can be a long way from home to school.Schools and parents should cut down some of the homework so that our children can enjoy more than nine hours of sleep every night for their health. For children,we should make best use of our time. When we have enough time for sleeping,we will find it much better for both our study and health.( )21. What makes most students sleep less than nine hours every night?A. Watching TV.B. Playing computer games.C. Doing their homework.D. Doing housework.

If you have a job,_____ yourself to it and finally you’ll succeed.A.do devoteB.don't devoteC.devotingD.not devoting

If you don’t, you could end ____ spending hundreds of dollars more than you should have.

Don’t you have to first have enough food and clothing before you ____ after your dreams? A.ignoreB.chaseC.renewD.suppose

– David, you've been losing your temper over nothing lately.– ( ).A. I haven’t been getting much sleep eitherB. You’d better not push yourself too hard, or you’ll get sickC. I’m sorry. I shouldn’t have blown up like thatD. You’d better do exercises regularly

【A1】A.SEARCH, DON"T FILE.B.MAKE AN APPOINTMENT RIGHT AFTER WORK.C.FIGURE OUT YOUR CORE WORK ACTIVITIES.D.AVOID INSTANT MESSAGING AND TURN OFF PHONES.E.SAY NO. WHAT WOULD YOU DO IF YOU HAD AN EXTRA HOUR A DAY? THIS IS A COMMON BARRIER I RUN INTO WHEN I WRITE ABOUT MAKING POSITIVE LIFE CHANGES:PEOPLE DON"T HAVE TIME TO PURSUE THEIR DREAMS.PEOPLE DON"T HAVE TIME TO EXERCISE.PEOPLE DON"T HAVE TIME TO GET ORGANIZED.WELL, IT"S TIME TO MAKE TIME.BY USING SOME COMBINATION OF THE FOLLOWING, YOU CAN FREE UP AN HOUR OR MORE A DAY.FIND THE ONES THAT WORK FOR YOU (NOT ALL WILL WORK FOR EVERYONE), AND THEN CARVE OUT THAT HOUR A DAY.THEN MAKE SURE YOU USE THAT EXTRA HOUR A DAY IN THE BEST WAY POSSIBLE—BOOK THAT HOUR ON YOUR CALENDAR FOR SOMETHING YOU REALLY, REALLY WANT TO DO, WHETHER THAT"S WORK ON A GOAL, WRITE A BOOK, START A BUSINESS, EXERCISE, READ MORE, OR WHATEVER.DON"T SQUANDER THIS GIFT OF TIME! 【A1】______ WHETHER IT"S EXERCISE OR WORKING ON SOME OTHER GOAL, MAKE AN APPOINTMENT TO DO IT RIGHT WHEN YOU GET OUT OF WORK (AT 5 P.M., FOR EXAMPLE).THIS WORKS ESPECIALLY WELL IF YOU HAVE TO MEET SOMEONE ELSE, SUCH AS A WORKOUT PARTNER OR OTHER GROUP OR TEAM OR COACH OR PARTNER, YOU"LL BE SURE TO MEET THE APPOINTMENT, WHICH MEANS YOU WON"T STICK AROUND WORK TOO LONG, AND YOU"LL BE SURE TO FINISH ALL YOUR TASKS ON TIME SO YOU CAN LEAVE ON TIME.THIS MAKES YOU MORE EFFICIENT IN THE AFTERNOON ESPECIALLY. 【A2】______ I"M NOT SAYING THESE TYPES OF INSTANT COMMUNICATION DON"T HAVE THEIR USES, BUT IF THEY"RE ALWAYS ON AND YOU"RE ALWAYS AVAILABLE, YOU"RE ALWAYS AT THE MERCY OF OTHERS. IN-STEAD, JUST MAKE YOURSELF AVAILABLE AT SET TIMES IF NECESSARY, OR NOT AT ALL IF IT"S NOT NECESSARY.YOU DON"T HAVE TO TURN OFF PHONES ALL DAY LONG, BUT YOU SHOULD HAVE SOME UNBROKEN BLOCKS OF TIME WHEN YOU DON"T TAKE CALLS, SO YOU CAN CONCENTRATE ON YOUR IMPORTANT TASKS.THIS ALLOWS YOU TO GET MORE DONE IN LESS TIME, AS PHONE CALLS CAN EAT UP CHUNKS OF YOUR DAY IF YOU LET THEM. 【A3】______ I USED TO SPEND A LOT OF TIME FILING ALL MY COMPUTER FILES AND ALL MY EMAILS INTO NICE, ORGANIZED FOLDERS.I"D SPEND TIME EVERY DAY DOING THIS.NOW, I JUST ARCHIVE EVERYTHING, ON COMPUTER AND EMAIL, AND SEARCH WHEN I NEED SOMETHING.WITH QUICKSILVER ON THE MAC, EVERY FILE IS WITHIN A FEW KEYSTROKES.WITH GMAIL, EVERY EMAIL IS ACCESSIBLE INSTANTLY.NO TIME SPENT FILING! 【A4】______ WHAT IS IT THAT YOU REALLY HAVE TO DO EACH DAY? I MEAN, THE STUFF YOU HAVE TO DO OR YOUR JOB WOULD FALL APART IF YOU REALLY THINK ABOUT IT, A LOT OF THE TASKS YOU DO EACH DAY (AND PHONE CALLS AND EMAILS, MENTIONED ABOVE, ARE INCLUDED IN THESE TASKS) DON"T REALLY NEED TO BE DONE EACH DAY.SOMETIMES YOU CAN DO THEM LESS OFTEN, SOMETIMES YOU DON"T NEED TO DO THEM AT ALL.IF YOU CAN LEARN TO FOCUS ON YOUR CORE ACTIVITIES, YOU CAN GET YOUR WORK DONE IN LESS TIME. 【A5】______ ONE OF THE BIGGEST GROUPS OF TIME EATERS IS REQUESTS FROM OTHER PEOPLE.ALL DAY LONG WE GET REQUESTS, IN PERSON, ON THE PHONE, IN EMAIL, THROUGH PAPERWORK.MEETINGS, ASSIGNMENTS, REQUESTS FOR INFORMATION, REQUESTS TO BE ON A COMMITTEE OR TEAM...THESE ARE ALL REQUESTS THAT WILL EAT UP YOUR TIME.SAY NO TO ALL BUT THE ESSENTIALS.GET TO THE POINT. WHILE I"M A FAN OF LONG, SLOW CONVERSATIONS, IF YOU"RE TRYING TO MAKE TIME FOR GOALS, YOU NEED TO WHITTLE DOWN NEEDLESSLY LONG CONVERSATIONS—ESPECIALLY IF IT"S JUST WITH A COWORKER WHO ISN"T A CLOSE FRIEND.IN PERSON OR ON THE PHONE, YOU NEED TO GET STRAIGHT TO THE POINT WITH A MINIMUM OF CHIT-CHAT, AND IF THE OTHER PERSON ISN"T GETTING TO THE POINT, POLITELY ASK WHAT HE NEEDS FROM YOU.

---I haven’t got the reference book yet, but I’ll have a test on the subject next month.---Don’t worry. You______ have it by Friday.A. couldB. shallC. mustD. may

共用题干Sleep DeficitJudging from recent surveys,most experts in sleep behavior agree that there is virtually an epidemic(流行病)of sleepiness in the nation."I can't think of a single study that hasn't found Americans getting less sleep than they ought to,"says Dr.David.Even people who think they are sleeping enough would probably be better off with more rest.The beginning of our sleep-deficit(睡眠不足)crisis can be traced to the invention of the light bulb a century ago.From diary entries and other personal accounts from the 18th and 19th centuries,sleep scientists have reached the conclusion that the average person used to sleep about 9.5 hours a night."The best sleep habits once were forced on us,when we had nothing to do in the evening down on the farm,and it was dark."By the 1950s and 1960s,that sleep schedule had been reduced dramatically,to between 7.5 and 8 hours,and most people had to wake up to an alarm clock."People cheat on their sleep,and they don't even realize they're doing it,"says Dr.David."They think they're okay because they can get by on 6.5 hours, when they really need 7.5,8 or even more to feel ideally vigorous."Perhaps the most merciless robber of sleep,researchers say,is the complexity of the day.Whenever pressures from work,family,friends and community mount,many people consider sleep the least expensive item on his programme.In our society,you're considered dynamic if you say you only need 5;5 hours, sleep.If you've got to get 8.5 hours,people think you lack drive and ambition.To determine the consequences of sleep deficit,researchers have put subjects through a set of psycho-logical and performance tests requiring them,for instance,to add columns of numbers or recall a passage read to them only minutes earlier."We've found that if you're in sleep deficit,performance suffers,"says Dr.David."Short-term memory is weakened,as arc abilities to make decisions and to concentrate."People in the 18th and 19th centuries used to sleep about 9.5 hours a night because they had______.A:no drive and ambition B:the best sleep habitsC:no electric light D:nothing to do in the evening

共用题干Are You Getting Enough Sleep?What happens if you don't get enough sleep? Randy Gardner,a high school student in the United States,wanted to find out. He designed an experiment on the effects of sleeplessness for a school science project. With doctors watching him carefully,Gardner stayed awake for 264 hours and 12 minutes.That's eleven days and nights without sleep!What effect did sleeplessness have on Gardner? After 24 hours without sleep,Gardner started havingtrouble reading and watching television. The words and pictures were too blurry(模糊).By the third day,he was having trouble doing things withhis hands. By the fourth day, Gardner was hallucinating(产生幻觉).For example,when he saw a street sign,he thought it was a person.He also imagined he was a famousfootball player. Over the next few days, Gardner's speech became so slurred(不清楚)that people couldn't understand him.He also had trouble remembering things.By the eleventh day, Gardner couldn't pass acounting test.In the middle of the test he simply stopped counting.He couldn't remember what hewas doing.When Gardner finally went to bed,he slept for 14 hours and 45 minutes.The second night he slept for twelve hours,the third night he slept for ten and one-half hours,and by the fourth night,he had returned tohis normal sleep schedule.Even though Gardner recovered quickly,scientists believe that going without sleep can be dangerous. They say that people should not repeat Randy's experiment. Tests on white rats have shown how serious sleeplessness can be. After a few weeks without sleep, the rats started losing their fur(皮毛).And even though the rats ate more food than usual,they lost weight.Eventually the rats died.During your lifetime,you will probably spend 25 years or more sleeping.But why?What is the purpose of sleep? Surprisingly,scientists don't know for sure.Some scientists think we sleep in order to replenish(补充)brain cells. Other scientists think that sleep helps the body to grow and to relieve stress. Whatever the reason,we know that it is important to get enough sleep.During the experiment,Gardner slept for two hours every night.A:RightB:WrongC:Not mentioned

共用题干第二篇Sleep DeficitJudging from recent surveys,most experts in sleep behavior agree that there is virtually an epidemic(流 行病)of sleepiness in the nation."I can't think of a single study that hasn't found Americans getting less sleep than they ought to,"says Dr. David.Even people who think they are sleeping enough would probably be better off with more rest.The beginning of our sleep-deficit (睡眠不足)crisis can be traced to the invention of the light bulb a century ago.From diary entries and other personal accounts from the 18th and 19th centuries,sleep scien- tists have reached the conclusion that the average person used to sleep about 9.5 hours a night."The best sleep habits once were forced on us,when we had nothing to do in the evening down on the farm,and it was dark."By the 1950s and 1960s,that sleep schedule had been reduced dramatically,to between 7.5 and 8 hours,and most people had to wake up to an alarm clock."People cheat on their sleep,and they don't even realize they're doing it,"says Dr. David."They think they're okay because they can get by on 6.5 hours, when they really need 7.5,eight or even more to feel ideally vigorous.Perhaps the most merciless robber of sleep,researchers say,is the complexity of the day.Whenever pressures from work,family,friends and community mount,many people consider sleep the least expensive item on his programme.In our society,you're considered dynamic if you say you only need 5.5hours' sleep.If you'ye got to get 8.5 hours,people think you lack drive and ambition.To determine the consequences of sleep deficit,researchers have put subjects through a set of psycho- logical and performance tests requiring them,for instance,to add columns of numbers or recall a passage read to them only minutes earlier."We'ye found that if you're in sleep deficit,performance suffers,"says Dr. David."Short-term memory is weakened,as are abilities to make decisions and to concentrate."According to Dr. David,Americans_________.A:are ideally vigorous even under the pressure of lifeB:often neglect the consequences of sleep deficitC:don't know how to relax themselves properlyD:can't get by on 6.5 hours of sleep

共用题干第三篇Judging from recent surveys,most experts in sleep behavior agree that it is virtually an epidemic of sleepiness in the nation."I can't think of a single study that hasn't found Americans getting less sleep than they ought to,"says Dr. David.Even people who think they are sleeping enough would probably be better off with more rest.The beginning of our sleep-deficit crisis can be traced to the invention of the light bulb a century ago.From diary entries and other personal accounts from the 18th and 19th centuries,sleep scientists have reached the conclusion that the average person used to sleep about 9.5 hours a night. "The best sleep habits once were forced on us,when we had nothing to do in the evening down on the farm,and it was dark." By the 1950s and 1960s,that sleep schedule had been reduced dramatically,to between 7.5 and 8 hours,and most people had to wake to an alarm clock."People cheat on their sleep,and they don't even realize they're doing it,"says Dr. David."They think they're okay because they can get by on 6.5 hours,when they really need 7.5,8 or even more to feel ideally vigorous.""Perhaps the most merciless robber of sleep,"researchers say,"is the complexity of the day." Whenever pressures from work,family,friends and community mount,many people consider sleep the least expensive item on his program."In our society,you're considered dynamic if you say you only need 5.5 hours' sleep.If you've got to get 8.5 hours,people think you lack drive and ambition."To determine the consequences of sleep deficit,researchers have put subjects through a set of psychological and performance tests requiring them,for instance,to add columns of numbers or recall a page read to them only minutes earlier."We've found that if you're in sleep deficit,performance suffers,"says Dr. David."Short-term memory is weakened,as are abilities to make decision and to concentrate."According to Dr. David,Americans___________.A: are ideally vigorous even under the pressure of lifeB:often neglect the consequences of sleep deficitC:do not know how to relax themselves properlyD:can get by on 6.5 hours of sleep

共用题干Are You Getting Enough Sleep?What happens if you don't get enough sleep? Randy Gardner,a high school student in the United States,wanted to find out. He designed an experiment on the effects of sleeplessness for a school science project. With doctors watching him carefully,Gardner stayed awake for 264 hours and 12 minutes.That's eleven days and nights without sleep!What effect did sleeplessness have on Gardner? After 24 hours without sleep,Gardner started havingtrouble reading and watching television. The words and pictures were too blurry(模糊).By the third day,he was having trouble doing things withhis hands. By the fourth day, Gardner was hallucinating(产生幻觉).For example,when he saw a street sign,he thought it was a person.He also imagined he was a famousfootball player. Over the next few days, Gardner's speech became so slurred(不清楚)that people couldn't understand him.He also had trouble remembering things.By the eleventh day, Gardner couldn't pass acounting test.In the middle of the test he simply stopped counting.He couldn't remember what hewas doing.When Gardner finally went to bed,he slept for 14 hours and 45 minutes.The second night he slept for twelve hours,the third night he slept for ten and one-half hours,and by the fourth night,he had returned tohis normal sleep schedule.Even though Gardner recovered quickly,scientists believe that going without sleep can be dangerous. They say that people should not repeat Randy's experiment. Tests on white rats have shown how serious sleeplessness can be. After a few weeks without sleep, the rats started losing their fur(皮毛).And even though the rats ate more food than usual,they lost weight.Eventually the rats died.During your lifetime,you will probably spend 25 years or more sleeping.But why?What is the purpose of sleep? Surprisingly,scientists don't know for sure.Some scientists think we sleep in order to replenish(补充)brain cells. Other scientists think that sleep helps the body to grow and to relieve stress. Whatever the reason,we know that it is important to get enough sleep.People sleep less than they used to.A:RightB:WrongC:Not mentioned

共用题干第三篇Judging from recent surveys,most experts in sleep behavior agree that it is virtually an epidemic of sleepiness in the nation."I can't think of a single study that hasn't found Americans getting less sleep than they ought to,"says Dr. David.Even people who think they are sleeping enough would probably be better off with more rest.The beginning of our sleep-deficit crisis can be traced to the invention of the light bulb a century ago.From diary entries and other personal accounts from the 18th and 19th centuries,sleep scientists have reached the conclusion that the average person used to sleep about 9.5 hours a night. "The best sleep habits once were forced on us,when we had nothing to do in the evening down on the farm,and it was dark." By the 1950s and 1960s,that sleep schedule had been reduced dramatically,to between 7.5 and 8 hours,and most people had to wake to an alarm clock."People cheat on their sleep,and they don't even realize they're doing it,"says Dr. David."They think they're okay because they can get by on 6.5 hours,when they really need 7.5,8 or even more to feel ideally vigorous.""Perhaps the most merciless robber of sleep,"researchers say,"is the complexity of the day." Whenever pressures from work,family,friends and community mount,many people consider sleep the least expensive item on his program."In our society,you're considered dynamic if you say you only need 5.5 hours' sleep.If you've got to get 8.5 hours,people think you lack drive and ambition."To determine the consequences of sleep deficit,researchers have put subjects through a set of psychological and performance tests requiring them,for instance,to add columns of numbers or recall a page read to them only minutes earlier."We've found that if you're in sleep deficit,performance suffers,"says Dr. David."Short-term memory is weakened,as are abilities to make decision and to concentrate."People in the 18th and 19th centuries used to sleep about 9.5 hours a night because they had__________.A:no drive and ambitionB:no electric lightingC:the best sleep habitsD:a lot to do the next day

共用题干第三篇Judging from recent surveys,most experts in sleep behavior agree that it is virtually an epidemic of sleepiness in the nation."I can't think of a single study that hasn't found Americans getting less sleep than they ought to,"says Dr. David.Even people who think they are sleeping enough would probably be better off with more rest.The beginning of our sleep-deficit crisis can be traced to the invention of the light bulb a century ago.From diary entries and other personal accounts from the 18th and 19th centuries,sleep scientists have reached the conclusion that the average person used to sleep about 9.5 hours a night. "The best sleep habits once were forced on us,when we had nothing to do in the evening down on the farm,and it was dark." By the 1950s and 1960s,that sleep schedule had been reduced dramatically,to between 7.5 and 8 hours,and most people had to wake to an alarm clock."People cheat on their sleep,and they don't even realize they're doing it,"says Dr. David."They think they're okay because they can get by on 6.5 hours,when they really need 7.5,8 or even more to feel ideally vigorous.""Perhaps the most merciless robber of sleep,"researchers say,"is the complexity of the day." Whenever pressures from work,family,friends and community mount,many people consider sleep the least expensive item on his program."In our society,you're considered dynamic if you say you only need 5.5 hours' sleep.If you've got to get 8.5 hours,people think you lack drive and ambition."To determine the consequences of sleep deficit,researchers have put subjects through a set of psychological and performance tests requiring them,for instance,to add columns of numbers or recall a page read to them only minutes earlier."We've found that if you're in sleep deficit,performance suffers,"says Dr. David."Short-term memory is weakened,as are abilities to make decision and to concentrate."Many Americans believe that__________.A:sleep is the first thing that can be sacrificed when one is busyB:they need more sleep to cope with the complexities of everyday lifeC:to sleep is something one can do at any time of the dayD:enough sleep promotes people's drive and ambition

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

It's no secret that most of us don't get enough sleep and suffer for it.If you're between the ages of 16 and 64,1 don't get seven to nine hours ofsleep per night,your logical 2,executive function,attention,and mood can be impaired.3,severe sleep deprivation can lead to depression,anxiety,and 4 ofparanoia(妄想症).In the long run,sleep deprivation is a main 5 to the nsk ofdementia and Alzheimer's disease.6,one group that doesn't need to heed these warnings i.s executives.In our 7 of 35,000 leaders and interviews with 250 more,we found that the more seruor a person's 8 is,the more sleep they get.There are tw0 9 explanations for this.Either senior executives,with the help of_10 and hard-working middle managers,do less and take more time for sleep.Or senior executives have had the 11 and discipline throughout their career to get enough sleep and 12 maintain a high performance level without 13.Our conclusion is that the latter is the 14."Sleep has always been foundational for my performance,"Cees't Hart,president and CEO of Carlsberg Group,shared with us."And 15 to perform in a way that is required by my current job,I need seven hours of sleep,every night.Of course,with 16 travel and work commitments,sometimes this is 17,and when that happens,it comes with a cost.When I sleep less,I perform less."18,our data found that 68%ofnon-executive leaders get five to seven hours of sleep per night.When there are not enough hours in the day,they 19 some from the night.Many leaders stay up late to catch up on email or other tasks.According to our research,this tendency is widespread,20 gender.11选?A.knowledgeB.intrigueC.wisdomD.talent

共用题干SleepingPeople who sleep for more than eight hours a night do not live as long as those who sleep for six hours,according to the biggest study yet into sleep patterns and mortality(死亡率).Scientists have no explanation for the findings and do not know if they mean people who like a lie-in(睡懒觉)can extend their lives by sleeping less.Although it is a common belief that sleeping for at least eight hours a night is vital forhealth and well-being,the six-year study involving more than 1.1 million Americans older than 30 found that those who slept for less than eight hours were far from doing themselves any long-term harm."Individuals who now average 6.5 hours of sleep a night can be reassured that this is a safe amount of sleep.From a health standpoint,there is no reason to sleep longer,"said Daniel Kripke , a professor of psychiatry(精神病学)at the University of California, San Diego.Dr. Kripke said,"We don't know if long sleep periods lead to death.Additional studies are needed to determine if setting your alarm clock earlier will actually improve your health."The scientists,who were funded by the American Cancer Society,found that the best survival rates were among the men and women who slept for seven hours a night.Those who slept for eight hours were 12 per cent more likely to die during the six-year period of the study,when other factors such as diet and smoking were taken into account.Even those who spent a mere five hours a night in bed lived longer than those who slept eight or more hours.However,an increasing death rate was found among those who slept for less than five hours.Dr. Kripke said,"Previous sleep studies have indicated that both short-and long-duration (持续时间)sleep had higher mortality rates. However, none of those studies were large enough to distinguish the difference between seven and eight hours a night,until now." The study shows that the longer you sleep each night,the longer you'll live.A:Right B:Wrong C:Not mentioned

共用题干Energy CycleDo you find getting up in the morning so difficult that it's painful?This might be called laziness,but Dr. Kleitman has a new explanation. He has proved that everyone has a daily energy cycle.During the hours when you labor through your work you may say that you're“hot”.That's true .The time of day when you feel most energetic is when your cycle of body temperature is at its peak .For some people the peak comes during the morning. For others it comes in the afternoon or evening.No one has discovered why this is so,but it leads to such familiar monologues as:“Get up,John!You'll be late for work again!”The possible explanation to the trouble is that John is at his temperature-and-energy peak in the evening. Much family quarrelling ends when husbands and wives realize what these energy cycles mean,and which cycle each member of the family has.You can't change your energy cycle,but you can learn to make your life fit to it better. Habit can help,Dr. Kleitman believes. Maybe you're sleepy in the evening but you must stay up late anyway .Counteract your cycle to some extent by habitually staying up later than you want to. If your energy is low in the morning but you have an important job to do early in the day,rise before your usual hour. This won't change your cycle,but you'll get up steam and work better at your low point.Get off to a slow start which saves your energy .Get up with a leisurely yawn and stretch.Sit on the edge of the bed a minute before putting your feet on the floor. Avoid the trouble of searching for clean clothes by laying them out the night before .Whenever possible,do routine work in the afternoon and save tasks requiring more energy or concentration for your sharper hours. If one wants to work more efficiently at his low point in the morning,he should_______.A: change his energy cycleB: overcome his lazinessC:get up earlier than usualD:go to bed earlier

共用题干Knowing Your Real Personality from Sleeping PositionsEveryone has got two personalities—the one that is shown to the world and the other that is secret and real.You don't show your secret personality when you're awake because you can control yourself,but when you're asleep,your sleeping position shows the real you.In a normal night,of course,you often change your sleeping positions.The important position that best shows your se-cret personality is the one that you go to sleep.If you go to sleep on your back,you're a very open person.You nbrmally trust people and you are easily influenced by new ideas.You don't like to make people unhappy,so you never ex-press your real feelings.You're quite shy and you aren't very confident.If you sleep on your stomach,you are a person who likes to keep secrets.You worry a lot and you're always easily becoming sad.You never want to change your ideas,but you are satisfied with your life the way it is.You usually live for today not for tomorrow.If you sleep on curled up,you are probably a very nervous person.You have a low opinion of yourself and often protect yourself from being hurt,so you are very defensive.You're shy and you don't usually like meeting people.You like to be on your own.If you sleep on your side,you have usually got a well-balanced personality.You know your strengths and weaknesses.You're usually careful.You have a confident personality.You sometimes feel worried,but you don't often get unhappy .You always say what you think,even if it makes people angry. When does the sleeping position best show your secret personality?A: In the daytime.B: At the beginning of sleep.C: At night.D: During the deep sleep.

共用题干Knowing Your Real Personality from Sleeping PositionsEveryone has got two personalities—the one that is shown to the world and the other that is secret and real.You don't show your secret personality when you're awake because you can control yourself,but when you're asleep,your sleeping position shows the real you.In a normal night,of course,you often change your sleeping positions.The important position that best shows your se-cret personality is the one that you go to sleep.If you go to sleep on your back,you're a very open person.You nbrmally trust people and you are easily influenced by new ideas.You don't like to make people unhappy,so you never ex-press your real feelings.You're quite shy and you aren't very confident.If you sleep on your stomach,you are a person who likes to keep secrets.You worry a lot and you're always easily becoming sad.You never want to change your ideas,but you are satisfied with your life the way it is.You usually live for today not for tomorrow.If you sleep on curled up,you are probably a very nervous person.You have a low opinion of yourself and often protect yourself from being hurt,so you are very defensive.You're shy and you don't usually like meeting people.You like to be on your own.If you sleep on your side,you have usually got a well-balanced personality.You know your strengths and weaknesses.You're usually careful.You have a confident personality.You sometimes feel worried,but you don't often get unhappy .You always say what you think,even if it makes people angry. Tina hardly tells her secrets to her friends.She probably goes to sleep______.A: on curled upB: on her stomachC: on her backD: on her side

共用题干Knowing Your Real Personality from Sleeping PositionsEveryone has got two personalities—the one that is shown to the world and the other that is secret and real.You don't show your secret personality when you're awake because you can control yourself,but when you're asleep,your sleeping position shows the real you.In a normal night,of course,you often change your sleeping positions.The important position that best shows your se-cret personality is the one that you go to sleep.If you go to sleep on your back,you're a very open person.You nbrmally trust people and you are easily influenced by new ideas.You don't like to make people unhappy,so you never ex-press your real feelings.You're quite shy and you aren't very confident.If you sleep on your stomach,you are a person who likes to keep secrets.You worry a lot and you're always easily becoming sad.You never want to change your ideas,but you are satisfied with your life the way it is.You usually live for today not for tomorrow.If you sleep on curled up,you are probably a very nervous person.You have a low opinion of yourself and often protect yourself from being hurt,so you are very defensive.You're shy and you don't usually like meeting people.You like to be on your own.If you sleep on your side,you have usually got a well-balanced personality.You know your strengths and weaknesses.You're usually careful.You have a confident personality.You sometimes feel worried,but you don't often get unhappy .You always say what you think,even if it makes people angry. You may find the passage in ______.A: a science magazineB: a guide bookC: a sports newspaperD: a story book

共用题干Knowing Your Real Personality from Sleeping PositionsEveryone has got two personalities—the one that is shown to the world and the other that is secret and real.You don't show your secret personality when you're awake because you can control yourself,but when you're asleep,your sleeping position shows the real you.In a normal night,of course,you often change your sleeping positions.The important position that best shows your se-cret personality is the one that you go to sleep.If you go to sleep on your back,you're a very open person.You nbrmally trust people and you are easily influenced by new ideas.You don't like to make people unhappy,so you never ex-press your real feelings.You're quite shy and you aren't very confident.If you sleep on your stomach,you are a person who likes to keep secrets.You worry a lot and you're always easily becoming sad.You never want to change your ideas,but you are satisfied with your life the way it is.You usually live for today not for tomorrow.If you sleep on curled up,you are probably a very nervous person.You have a low opinion of yourself and often protect yourself from being hurt,so you are very defensive.You're shy and you don't usually like meeting people.You like to be on your own.If you sleep on your side,you have usually got a well-balanced personality.You know your strengths and weaknesses.You're usually careful.You have a confident personality.You sometimes feel worried,but you don't often get unhappy .You always say what you think,even if it makes people angry.What does the passage tell us?A: Sleeping on your side is the best way of sleeping.B:Changing positions will cause sleeping problems.C: Sleeping positions show people's secret personalities.D: Enough sleep makes people look better and healthier.

问答题Teenagers who don't get enough rest have more learning, health, behavior and mood problems than students who get at least nine hours a night.

问答题Practice 10  Like most creatures on earth, humans come equipped with a circadian clock, a roughly 24-hour internal timer that keeps our sleep patterns in sync with our planet. At least until genetics, age and our personal habits get in the way. Even though the average adult needs eight hours of sleep per night, there are “short-sleepers,” who need far less, and morning people, who, research shows, often come from families of other morning people. Then there’s the rest of us, who rely on alarm clocks.  For those who fantasize about greeting the dawn, there is hope. Sleep experts say that with a little discipline (well, actually, a lot of discipline), most people can reset their circadian clocks. But it’s not as simple as forcing yourself to go to bed earlier (you can’t make a wide-awake brain sleep). It requires inducing a sort of jet lag without leaving your time zone. And sticking it out until your body clock resets itself. And then not resetting it again.  To start, move up your wake-up time by 20 minutes a day. If you regularly rise at 8 a.m., but really want to get moving at 6 a.m., set the alarm for 7:40 on Monday. The next day, set it for 7:20 and so on. Then, after you wake up, don’t linger in bed. Hit yourself with light. In theory, you’ll gradually get sleepy about 20 minutes earlier each night, and you can facilitate the transition by avoiding extra light exposure from computers or televisions as you near bedtime.  But recalibrating your inner clock requires more commitment than many people care to give. For some, it’s almost impossible. Very early risers and longtime night owls have a hard time ever changing. Night-shift workers also struggle because they don’t get the environmental and social cues that help adjust the circadian clock.

单选题If you _____ that night, you might have been too late to get your ticket.Adidn't hurryBhadn't hurriedCwouldn't hurryDhadn't to hurry