题目内容：

Do you laugh every day? Most people _____ times a day. Scientists say that people laugh about 17 times a day. That is a lot of laughter.

In India, there are ______ laughter clubs. The people in these clubs get together every morning. First they stretch their hands above their heads. Then they pretend to laugh. Soon everyone is laughing naturally. People say they feel good after ______ together.

Scientists believe that laughter is good ______ you. Why For one thing, laughter is a good exercise. When you laugh, you exercise many muscles (肌肉) in your body.

Scientists say that one hundred laughs is the same as ten minutes of running. When you laugh, you also breathe deeply. This makes you feel ______ .

Why, do we laugh? That is a hard question ______. We know that people laugh ______ in a group. We don’ t laugh very often when we are alone. Many scientists believe that we use laughter to make friends with _____. Laughter helps us feel part of a group.

In English, people say that laughter is the best ______. Some think that laughter helps sick people get ______. Do you think so?

1.A. Laughs B. do C. does D. did

2.A. hundred of B. hundreds of C. hundred D. hundreds

3.A. laugh B. to laugh C. laughing D. laughed

4.A. for B. at C. with D. about

5.A. relaxed B. to relax C. relaxing D. relax

6.A. answered B. answering C. answer D. to answer

7.A. less than B. hardly C. never D. more often

8.A. another B. others C. other D. the other

9.A. magazine B. knowledge C. medicine D. friend

10.A. well B. good C. bad D. ill