Everyone must go to bed early and get up early, or we won’t be healthy and clever.Is this true? Maybe it is.The body must have enough sleep.Children of your age need ten hours’sleep every day.If you don’t go to bed early, you won’t have enough sleep .Then you can’t think properly and can’t do your work properly.You will not be clever.Some people go to bed late and get up late.This is not good for them.We must go to bed at night when it is dark.The dark helps us to sleep soundly.When the daytime comes, we must get up.This is the time for exercise.If you lack exercise, you will become weak.Exercise keeps a strong body.Exercise helps the blood（血液）flow（流动）around inside the body.This is very important.Blood takes food to all parts of our body.The brain also needs blood, we think with our blood.If we keep our body healthy and take exercise, we can think better.

1.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

2.Children of your age need ____

A．ten hours’ sleep

B．nine hours’ sleep

C．twelve hours’ sleep

D．eight hours’ sleep

3.The best time to sleep is when ____.

A．daytimes

B．it is dark

C．we are taking exercises

D．it is late afternoon

4.Exercise makes the body ___

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

5.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 and get up early，or we won't be healthier and clever．

Is this true? Perhaps it is．The body must have __1__ sleep．Children of your age need __2__ sleep every day．If you don't go to bed early，you __3__ enough sleep，then you can’t think properly and can't do your work properly．You will not be clever．

Some people go to bed late and get up late．This is not good __4__ them．We must sleep at nine when it is dark．The dark help us __5__．When the daytime comes，we must get up．This is time for exercises．If you lack exercises，it becomes __6__．Exercises help a strong body．

Exercises help the blood（血液）flow around __7__ the body．This is very important．Blood takes food __8__ all parts of our body，the brain（大脑）needs blood．We think __9__ our brain．If we keep our body __10__ and take exercises，we can think better．

1．A．enough                   B．many                    C．some                     D．very

2．A．ten hours                    B．ten hours'              C．ten hour's               D．ten-hours'

3．A．will have                B．can have              C．won't have             D．have

4．A．to                         B．for                        C．with                             D．of

5．A．to sleep                   B．sleeping                 C．slept                    D．to sleeping

6．A．to weak                  B．strong                  C．weak                     D．healthy

7．A．outside                    B．out of                    C．into                       D．inside

8．A．to                           B．with                      C．out of                    D．from

9．A．of                           B．about                    C．with                             D．in

10．A．health                    B．healthing                C．healthy                   D．doing

When we see a cigarette box, we’ll see “ Smoking is harmful to your health” on it. Children are not    36  to smoke by their parents or teachers. But in many countries  37 is becoming a bigger problem for young people. Most smokers   38  in their teens or earlier.

Some students think smoking is very cool, and they can see many people smoking around them. They want to have a   39 .

“If young people start smoking early, they will probably get addicted （上瘾的）to nicotine（尼古丁）. And it will be very hard to  40   later on,” said a professor. A study shows smoking is a problem for many Chinese teens.  41    can we do to make them stop smoking?

Some people think we can make a law. Teenagers under 18 are not allowed to smoke,   42   they should be fined. Parents should give up smoking. They can set an example （树立榜样）43   their children.

“Every year about four million people die of smoking. And if people  44   smoking, the number will increase （增加）10 million a year from now on,” said the World Health Organization. So we must learn and tell others about the  45  of smoking.