科学家们也赞同这种说法。根据But we all have a laugh that is special to us，故选C

【题目】Many people say that laughter is the best medicine. Scientists begin to agree with this. They are studying laughter seriously and finding it is really good. One minute of laughter is the same as forty-five minutes of relaxation(放松). Many doctors around the world believe that laughter helps us get better when we are sick.

Of course, there are many kinds of laughter. We may change the way we laugh in different situations(情形). But we all have a laugh that is special to us. How do you usually laugh?

【1】What do many people think of laughter?

A. They think it’s bad for our health

B. They think it’s the best medicine

C. They think it’s not the best medicine

【2】Laughter is good because________.

A. scientists think so

B. everybody says so

C. everyone is happy

【3】One minute of laughter equals(等于) forty-five minutes of_____

A. rest    B. exercise      C. playing

【4】Many doctors believe that laughter can help us____ when we are ill.

A. feel worse  B. get better   C. get sad

【5】 According to(根据) the passage,______.

A. people laugh in the same way

B. we need to laugh forty-five minutes every day

C. everyone has his own way of laughing