After a busy day of work and play, the body needs to rest. Sleep is necessary fo

After a busy day of work and play, the body needs torest. Sleep is necessary for good health. During this time, the body recoversfrom the activities of the previous day. The rest that you get while sleepingenables your body to prepare itself for the next day.

There arefour levels of sleep, each being a little deeper than the one before. As yousleep, your muscles relax little by little. Your heart beats more slowly, andyour brain slows down. After you reach the fourth level, your body shifts backand forth from one level of sleep to the other.

Althoughyour mind slows down, from time to time you will dream. Scientists who studysleep state that when dreaming occurs, your eyeballs begin to move more quickly(Although your eyelids are closed). This stage of sleep is called REM, whichstands for rapid eye movement.

If you havetrouble falling asleep, some people recommend breathing very deeply. Otherpeople believe that drinking warm milk will help make you drowsy. Thereis also an old suggestion the counting sheep will put you to sleep!

1.A good title for this passage is ____.

A.Sleep            B.Dreams  　C. GoodHealth      D. Work and Rest

2.The word drowsy in the last paragraph means ____.

A.sick             B.asleep   　C. standup          D. a little sleepy

3.This passage suggests that not getting enough sleepmight make you _____.

A. dream more often   　B. have poor health   C.nervous     D. breathe quickly

4.During REM, ____.

A. your eyes move quickly  B. you dream C. youare restless　 D. both A and B

5.The average number of hours of sleep that an adultneeds is ______ .

A. approximately six hours    B. aroundten hours 

C. about eighthours          D. not describedhere

试题答案

【答案】

1.A

2.D

3.B

4.D

5.D

【解析】

试题