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Everyone must go to bed early（早）and get up early, or we won’t be healthy and clever.

Is this true? Perhaps（可能）it is. The body must have enough（足夠）sleep. Children of your age need ten-hour sleep every day. If you don’t go to bed early, you will not have enough sleep. Then you can’t think properly（完全地）and can’t do your work properly. You’ll not be clever.

Some people go to bed late and get up late. That is not good for them. We must sleep at night when it is dark（黑的）. The dark helps us to sleep soundly. When the daytime comes, we must get up. This is the time for exercise. If you lack（缺乏）exercise, it becomes weak（虛弱的）. Exercise keeps a strong body.

Exercise helps the blood（血液）flow（流動）around inside the body. This is very important. Blood takes food to all parts of our body. The brain（大腦）also need blood, we think with our blood. If we keep our body healthy and take exercises, we can think better.

(   )6. If we want to be healthy and clever, we must go to bed _____.

A. late and get up early        B. early and get up late

C. early and get up early       D. late and get up late

(   )7. Children of your age need _____.

A. nine-hour sleep  B. ten hours’ sleep  C. eleven-hour sleep D. twelve-hour sleep

(   )8. The best time to sleep is when _____.

A. daytime comes    B. it is dark C. we are taking exercise D. it is late afternoon

(   )9. Exercise makes the body _____.

A. weak B. clever   C. unhealthy    D. strong

(   )10. Exercise _____.

A. makes more blood     B. helps the blood to flow

C. makes food for our blood D. makes our brain tired

Everyone must go to bed early（早）and get up early, or we won’t be healthy and clever.

Is this true? Perhaps（可能）it is. The body must have enough（足夠）sleep. Children of your age need ten-hour sleep every day. If you don’t go to bed early, you will not have enough sleep. Then you can’t think properly（完全地）and can’t do your work properly. You’ll not be clever.

Some people go to bed late and get up late. That is not good for them. We must sleep at night when it is dark（黑的）. The dark helps us to sleep soundly. When the daytime comes, we must get up. This is the time for exercise. If you lack（缺乏）exercise, it becomes weak（虛弱的）. Exercise keeps a strong body.

Exercise helps the blood（血液）flow（流動）around inside the body. This is very important. Blood takes food to all parts of our body. The brain（大腦）also need blood, we think with our blood. If we keep our body healthy and take exercises, we can think better.

(   )6. If we want to be healthy and clever, we must go to bed _____.

A. late and get up early        B. early and get up late

C. early and get up early       D. late and get up late

(   )7. Children of your age need _____.

A. nine-hour sleep  B. ten hours’ sleep  C. eleven-hour sleep D. twelve-hour sleep

(   )8. The best time to sleep is when _____.

A. daytime comes    B. it is dark C. we are taking exercise D. it is late afternoon

(   )9. Exercise makes the body _____.

A. weak B. clever   C. unhealthy    D. strong

(   )10. Exercise _____.

A. makes more blood     B. helps the blood to flow

C. makes food for our blood D. makes our brain tired

一It’s dark(黑的)now, and I can’t see anything．

一The light is behind the door, you can        ．

A．turn it in        B．turn it down           C．turn it off         D．turn it on

--- It's dark(黑的) now, and I can't see anything.

---The light is behind the door, you can         

A. open it        B. turn on it         C. turn it off           D. turn it on