第二部分：閱讀判斷(第16——22題，每題1分，共7分)

閱讀下面這篇短文，短文后列出7個句子，請根據(jù)短文的內(nèi)容對每個句子做出判斷。如果該句提供的是正確信息，請在答題卡上把A涂黑;如果該句提供的是錯誤信息，請在答題卡上把B涂黑;如果該句的信息在文章中沒有提及，請在答題卡上把C涂黑。

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 having trouble reading and watching television. The words and pictures were too blurry (模糊). By the third day, he was having trouble doing things with his hands. By the fourth day, Gardner was hallucinating(產(chǎn)生幻覺). For example, when he saw a feet sign, he thought it was a person. He also imagines he was a famous football player. After 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 a counting test. In the middle of the test he simply stopped. He couldn’t remember what he was doing.

Then Gardner finally went to bed, he slept for 14 hours and 45 minutes. The second day he slept twelve hours, the third night he slept for ten and one-half hours, and by the fourth night, he had returned to his normal sleep schedule.

Though Gardner recovered quickly, scientists believe that going without sleep gerous. They say that people should not repeat Randy’s experiment. Tests on Gardner have shown how serious sleeplessness can be. After a few weeks without-started losing their fur(皮毛). And even though the rats ate more food than weight. Eventually the rats died.

During your lifetime, you will probably spend 25 years or more sleeping. But why purpose of sleep? Surprisingly, scientists don’t know for sure. Some sleep in order to replenish(補充)brain cells. Other scientists think body to grow and to relieve stress. Whatever the reason, we know enough sleep.

16. Randy Gardner studied the effects of over over-sleeping.

A Right B Wrong C Not Mentioned

17. During the experiment, Gardner slept for two hours every night.

A Right B Wrong C Not Mentioned

18. During the experiment, Gardner had trouble speaking clearly.

A Right B Wrong C Not Mentioned

19.It took four days for Gardner to recover from the experiment.

A Right B Wrong C Not Mentioned

20. Going without sleep is not dangerous for white rats.

A Right B Wrong C Not Mentioned

21. Scientists are not sure why we need sleep.

A Right B Wrong C Not Mentioned

22. People sleep less than they used to.

A Right B Wrong C Not Mentioned

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