Do you laugh every day? Most people do. Laughter (笑) is good for you. Why? For one thing, laughter is good exercise. When you laugh, you exercise many muscles (肌肉) of your body. One hundred laughs equal (等于) ten minutes of running. When you laugh, you also breathe deeply. This helps you relax. That's good for you, too. There's an old saying: Laughter is the best medicine. Some people think that laughter helps sick people get well. Do you think so?
1.Everybody laughs every day.
( )2.Laughter is only good for children.
( )3.Laughter is good exercise.
( )4.Laughter is the best medicine.
( )5.One hundred laughs equal ten minutes of running.
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