Everyone has got two personalities (性格) —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 secret personality is the one that you go to sleep.
If you go to sleep on your back, you’re a very open person. You normally trust people and you are easily influenced by new ideas. You don’t like to make people unhappy, so you never express 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 (蜷缩), 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 (平衡的) 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.
【小题1】You may find the passage in_____.
A.a science magazineB.a guide book
C.a sports newspaperD.a story book
【小题2】 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.
【小题3】Tina hardly tells her secrets to her friends. She probably goes to sleep _______.
A.on curled upB.on her stomach
C.on her backD.on her side
【小题4】 What does the word "defensive" mean in the passage?
A. 易怒的      B. 攻击性的        C. 外向的       D. 有戒心的
【小题5】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.
Do you know why you sleep? You may think it’s because you’re tired. Or perhaps you’ve been told sleep is good for you. Yet no one knows exactly why or how people sleep.
Until the early 1950s, most scientists thought the body and brain rested during sleep. Then a scientist watched people sleep. He noticed that during periods of between 5 and 30 minutes each, sleepers’ eyes made rapid movements, as if they were watching something. He called these periods REM sleep, for Rapid Eye Movement. Periods when sleepers’ eyes did not move he called non-REM sleep.
Whenever the scientist woke people during REM sleep, they were having vivid dreams. Measurements showed that sleepers’ pulses(脉搏)went up quickly during REM sleep. Their breathing, heartbeat, and the blood going to the brain also increased. Far from being a time of rest, REM sleep is a time when the body is hard at work. Scientists still don’t know the reason for this. Some believe REM sleep makes learning easier. Babies spend a lot of time in REM sleep. Because of this, some scientists believe that REM sleep helps the brain grow. Others think REM sleep is a time for the brain to empty the day’s garbage.
One thing all the scientists agree on is that sleep is necessary. Without enough sleep, people make mistakes. Most major car accidents happen during the early morning hours, when people are sleepiest.
【小题1】During REM sleep, a person’s breathing and heartbeat ________.
A.stopB.increaseC.decreaseD.stay the same
【小题2】Which word in paragraph(段落)3 means “colorful and lively”?
A.easierB.emptyC.vividD.quickly
【小题3】Which paragraph tells what happens when people don’t get enough sleep?
A.1B.2C.3D.4
【小题4】What is the main idea of the article?
A.REM sleep helps the brain grow.
B.REM sleep has been watched and recorded by scientists.
C.REM sleep is a time to empty the day’s garbage.
D.REM sleep is an active time when the body is hard at work.
【小题5】You can decide from the article that REM sleep ________.
A.has a restful effect on people
B.can be avoided with lots of sleep
C.is something that all people experience
D.is something that all scientists agree on

Everyone has got two personalities(性格)-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 your behavior, but when you’re asleep, your sleeping position shows the real you. In a normal night, of course, people frequently change their positions. The important position is the one that you go to sleep in.
If you go to sleep on your back, you’re a very open person. You normally trust people and you are easily influenced by fashion or new ideas. You don’t like to displease people. So you never express your real feelings. You’re quite shy and you aren’t quite sure of yourself.
If you sleep on your stomach, you are a rather secretive person. You worry a lot and you’re always easily upset. You always stick to your own opinions or judgment, but you don’t raise your hopes too much. You usually live for today not tomorrow. This means that you enjoy having a good time.
If you sleep curled up(蜷缩), you are probably a very nervous person. You have a low opinion of yourself and so you’re often defensive. You’re shy and you don’t normally like meeting people. You prefer to be on your own. You’re easily hurt.
If you sleep on your side, you have usually got a well—balanced(平衡的) personality. You know your strengths and weakness. You’re usually careful. You believe in yourself. You sometimes feel anxious, but you don’t often get sad. You always say what you think even if it makes people rather angry
【小题1】You may find the passage in       .
A. a science magazine            B A guide book
C. a sports newspaper            D. a story book
【小题2】When does the sleeping position best show your secret personality?
A.In the daytimeB.At the beginning of sleep
C.At nightD.During the deep sleep
【小题3】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
【小题4】What does the word “defensive” mean in the passage?
A.易怒的B.攻击性的C.外向的D.有戒心的
【小题5】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.

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