题目内容
(A) No one knows why we sleep, but it’s certain that we need to. People who are prevented from sleeping begin to suffer obvious effects (产生明显的反应) after a few days—they think less clearly, and they fall asleep during the working hours; some may have hallucinations (幻觉).
There are no rules about sleep. Generally speaking, grown-ups sleep about 7 and a half hours each night and probably more than 60 per cent get between seven and eight hours. But perhaps eight per cent are quite happy with 5 hours or less, and four per cent or so find that they want ten hours or more. (B)如果你感觉好的话, you’re probably getting enough sleep. The important thing is not to worry how much other people get—their needs may be different. Exercise doesn’t seem to increase the need for sleep—office workers, for example, sleep for about as long as people doing physically active work.
Children sleep more than grown-ups—perhaps 14 to 18 hours soon after birth, going down to grown-up levels by early teenage. Sleep patterns (睡眠模式) also tend (倾向) to be different in the elderly, who may sleep less at night than they did when younger, find sleep getting worse, and often make it a rule to sleep during the daytime.
1.将(A)处画线部分译成汉语。
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2.将(B)处画线部分译成英语。
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3.回答问题。
How many hours of sleep do children need?
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4.在短文中找出与给句子意义相同的句子。
They are sleepy at work.
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5.请从下面的选项中给短文选个标题。
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A. There are no rules about sleep. B. No one knows why we sleep.
C. Sleeping is very important to us. D. Make it a rule to sleep.
