This is an old English saying. Do you know it before? It says that we must go to bed early and get up early in the morning. Then we should be healthy. We should also be rich(wealthy) and clever (wise).

  This is true. The body must have enough sleep to be healthy. Children of a young age should have ten hours’ sleep every night. Children who don’t have enough sleep can’t do their work very well. They will not be wise and they may not become wealthy!

  The body also needs exercise. Walking, running, jumping, swimming and playing games are all exercise. Exercise keeps the body strong.

  Exercise also keeps the blood（血液） moving around inside the body. This is very important. Our blood takes food to all parts of our body. The head also needs blood. Exercise helps us to think better!

1.If a child doesn’t have 10 hours’ sleep every night, he _____.

A. will become wise             B. won’t do well in his work

C. will have to sleep in the daytime    D. can’t go to school in time

2.A person needs exercise because ______.

A. it makes him healthy       B. he has a lot of homework to do

C. it doesn’t need time        D. it is fun to do exercise

3.Exercise makes the _______ move quickly and smoothly.

A. body     B. blood       C. children      D. head

4.Which of the following is not true?

A. Exercise is good for a person’s head

B. A student should have 10 hour’s sleep.

C. It’s good for you to get up early and go to bed early.

D. If you have enough blood, you’ll be wise

This is an old English saying. Do you know it before? It says that we must go to bed early and get up early in the morning. Then we should be healthy. We should also be rich(wealthy) and clever (wise).

　 This is true. The body must have enough sleep to be healthy. Children of a young age should have ten hours’ sleep every night. Children who don’t have enough sleep can’t do their work very well. They will not be wise and they may not become wealthy!

　 The body also needs exercise. Walking, running, jumping, swimming and playing games are all exercise. Exercise keeps the body strong.

　 Exercise also keeps the blood（血液） moving around inside the body. This is very important. Our blood takes food to all parts of our body. The head also needs blood. Exercise helps us to think better!

71. If we get up early and go to bed early. We’ll ______.

　 A. have enough exercise　　　　 　　　　　　　　　 B. be healthy

　 C. think better　　　　　　　　 　　　　　　　　　　　 D. eat more food

72. If a child doesn’t have 10 hours’ sleep every night, he _____.

　 A. will become wise　　　　　　 　　　　　　　 B. won’t do well in his work

　 C. will have to sleep in the daytime　 　 D. can’t go to school in time

73. A person needs exercise because ______.

　 A. it makes him healthy　　　 　　　　　　　　 B. he has a lot of homework to do

　 C. it doesn’t need time　　　 　　　　　　　　 D. it is fun to do exercise

74. Exercise makes the _______ move quickly and smoothly.

　 A. body　　 　　　　　　 B. blood　　　 　　　　　　　 C. children　　 　　 D. head

75. Which of the following is not true?

　 A. Exercise is good for a person’s head

　 B. A student should have 10 hour’s sleep.

　 C. It’s good for you to get up early and go to bed early.

D. If you have enough blood, you’ll be wise

Try this: for a whole day, forget about the clock. Eat when you’re hungry and sleep when you’re tired. What do you think will happen?
You may be surprised to find that your day is much like most other days. You’ll probably get hungry when you normally eat and tired when you normally sleep. Even though you don’t know what time it is, your body does.
Inside our bodies are several clocklike systems that follow a 24- hour cycle. Everyone is unique, which is why you might like to stay up late while your sister always wants to go to bed early.
Regularly staying up late can make kids do worse on tests and quizzes. And working shifts at night leads to higher rates of heart disease.
“There is a growing sense that when we eat and when we sleep are important parts of how healthy we are,” says Steven Shea, Director of the Sleep Disorders Research Program at Brigham and Women’s Hospital in Boston.
“During the night, we are prepared to sleep,” Shea says. “During the day, we are prepared to eat and move around, If you reverse ( 颠倒) what you are doing, everything is out of phase. That can have adverse consequences.
【小题1】What does the underlined sentence suggest?

Try this: for a whole day, forget about the clock. Eat when you’re hungry and sleep when you’re tired. What do you think will happen?

   You may be surprised to find that your day is much like most other days. You’ll probably get hungry when you normally eat and tired when you normally sleep. Even though you don’t know what time it is, your body does.

   Inside our bodies are several clocklike systems that follow a 24- hour cycle. Everyone is unique, which is why you might like to stay up late while your sister always wants to go to bed early.

   Regularly staying up late can make kids do worse on tests and quizzes. And working shifts at night leads to higher rates of heart disease.

   “There is a growing sense that when we eat and when we sleep are important parts of how healthy we are,” says Steven Shea, Director of the Sleep Disorders Research Program at Brigham and Women’s Hospital in Boston.

   “During the night, we are prepared to sleep,” Shea says. “During the day, we are prepared to eat and move around, If you reverse ( 颠倒) what you are doing, everything is out of phase. That can have adverse consequences.

1.What does the underlined sentence suggest?

A. We don’t need to care about time.      

B. We don’t need the clock.

C. The clock is not useful.               

D. The clock is not remembered.

2.What makes some like to stay up late while others go to bed early?

   A. our bodies      B. our minds      C. the clock       D. our unique system

3.Steven Shea suggests ________.

   A. when we eat, we are prepared to eat.   

B. when we sleep, we are prepared to sleep

   C. when we eat and when we sleep are important parts of how healthy we are

   D. we are prepared to follow clocklike system

4.“Everything is out of phase.” means________.

   A. everything is out of order          

B. everything is bad

   C. everything is good                 

D. everything is not controlled