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（大腦）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．a(chǎn)bout                    C．with                             D．in

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

補全短文。根據(jù)短文內(nèi)容，從短文后的A-F選項中選出適當(dāng)?shù)倪x項補全短文。（共5 小題，計5分）

1.Is this true? Maybe it is, or we won't be healthy and clever.?????????????????????

2.Children of our age need nine hours sleep every day. If we don't go to bed early, we won't have enough sleep. Then we can't think properly and can't do our work properly. We will not be clever.

3.This is not good for them. We must go to bed at night when it is dark. The dark helps us to sleep. When the daytime comes, we must get up. This is the time for exercise.

4.Exercise keeps a strong body.

5.This is very important. Blood takes food to all parts of our body. The brain also needs blood. We think with our blood. We can think better if we keep our body healthy and take exercise.

A. The body must have enough sleep．

B. Exercise helps the blood (血液) go around inside the body.

C. But it’s necessary to take some exercise every day.

D. Everyone must go to bed early and get up early.

E. If we lack (缺少) exercise, we will become weak.

F. Some people go to bed late and get up late.