This story is about a young man. He worked hard at his lessons. He was too busy. He didn’t have time to rest, so he was ill. Every night, when he went to bed, he closed his eyes and tried to sleep（睡觉）. But he couldn't. He thought: “I must go to see the doctor.” He said to the doctor. “I can't go to sleep at night.” “Try counting numbers. When you reach one thousand, you'll be asleep.” The next day the man came back to the doctor's office. “Well,” said the doctor, “How are you today?”

“Yes, he said,” I tried counting one, two, three. . . up to （直到）one thousand. But when I reached five hundred and sixty-nine, I began to feel sleepy (感到困倦). I had to get up and drank some tea. Then I went on counting up to one thousand. But I still couldn't fall asleep.

1.The young man couldn’t go to sleep because ________ .

2.The doctor asked the young man ________ .

3. The young man came back to the doctor's office the next day because ___ .

4.The young man ________ .

5.The young man ________ in fact.

补全短文。根据短文内容，从短文后的A-F选项中选出适当的选项补全短文。（共5 小题，计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.