You've probably heard many times that exercise is good for you, but do you know that it can help you feel well, too? Doctors think that children should exercise for 60 minutes each day. Here are some of the reasons.

Exercise is good for both the body and the mind. Some people feel it's easy to fall asleep after doing exercise. What's more, it can make people feel proud(自豪的）when they finish doing something.

Exercise can help you look better. People who do exercise look better than those who don't. In fact, exercise is one of the most important parts of keeping your body at a healthy weight.

Exercise can help people reduce（降低）the risk of getting some diseases（疾病）.These diseases are becoming more common among children.

A lot of studies showed that some exercise, like jumping, running or walking can help people keep their bones strong. If you're getting regular exercise now, try to keep it up. Staying fit is one of the biggest challenges for people as they are busy with their studies or jobs.

1.How long should children exercise every day?

A. For twenty minutes. B. For half an hour.

C. For an hour. D. For two hours.

2.From the passage, we know exercise can't help people .

A. sleep better at night B. look better

C. make more money D. reduce the risk of getting some diseases

3.Exercise is one of the most important parts of .

A. making friends B. keeping healthy weight

C. keeping kind D. doing well in exams

4.What does the writer think of staying fit?

A. It's very easy. B. It's not very important.

C. It's useless for people. D. It's a big challenge for people

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