Question

There is an English saying, “___1.____” Until recently, few people took the saying seriously. Now however, doctors have begun to look into laughter and the effects it has on the human body. _____2._____

Tests were carried out to study the effects of laughter on the body. People watched funny films while doctors checked their heart, blood pressure, breathing and muscles. It was found that laughter has similar effects to physical exercise. ___3.___ If laughter exercises the body, it must be beneficial.

Other tests have shown that laughter appears to be able to reduce the effect of pain on the body. In one experiment doctors produced pain in groups of students who listened to different radio programmes. The group that tolerated the pain for the longest time was the group which listened to a funny programme. ____4.____

___5._____ They have found that even if their patients do not really feel like laughing, making them smile is enough to produce beneficial effects similar to those caused by laughter.

A. Laughter can surely last one's life.

B. As a result of these discoveries, some doctors in the United States now hold laughter clinics, in which they help to improve their patients' condition by encouraging them to laugh.

C. The reason why laughter can reduce pain seems to be that it helps to produce a kind of chemical in the brain which diminishes both stress and pain.

D. It increases blood pressure, makes the heart beat quicker and makes people breathe deeper; it also works several groups of muscles in the face, the stomach, and even the feet.

E. They have proved that laughter can really cure any disease if people keep a good state of mind.

F. Laughter is the best medicine.

G. They have found that laughter really can improve people's health.

Answer

1.F

2.G

3.D

4.C

5.B

【解析】

试题分析：英语中有一句俗语“笑是一剂良药”，但是，人们似乎并不是太在意这句话。现在，医生开始对笑展开研究。研究发现，笑能够改善人的健康状况。做题时注意前后句的逻辑关系，还需要联系段落大意。

1.There is an English saying”可知，这里说的是英语谚语；根据“look into laughter and the effects it has on the human body”可知，医生开始研究笑对人体的作用，F“笑是一剂良药”符合语境，故选F。

2.doctors have begun to...”可知，这里指代doctors，应该用代词主格they，E项太绝对，G“他们发现笑确实能够改善人们的健康状况”，故选G。

3.doctors checked their heart, blood pressure, breathing and muscles”可知，医生研究了人们的心率、血压、呼吸和肌肉状况，D项是研究的结果，故选D。

4.laughter appears to be able to reduce the effect of pain on the body”可知，其它的实验研究的是笑能减轻疼痛，C项说的是笑能减轻疼痛的原因，故选C。

5.their patients”可知，这里指的是医生，与B项中的“some doctors in the United States”一致，故选B。

考点：科学类短文阅读