Astheoldsayinggoes，laughteristhebestmedicine．（36）．However，doctorshavebeguntolookintolaughterandtheeffectsthathasonthehumanbody．Theyhavefoundthatlaughterreallycanimprovepeople'shealth．（37）．Pe

Question

As the old saying goes，laughter is the best medicine．（36）___．However，doctors have begun to look into laughter and the effects that has on the human body．They have found that laughter really can improve people's health．
（37）___．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．It increases blood pressure，makes the heart beat quicker and makes people breathe deeper； it also works several groups of muscles （肌肉） in the face，the stomach，and even the feet．（38）___．
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 programs．（39）___．The reason why laughter can reduce pain seems to be that it helps to produce a kind of chemical in the brain which reduces both stress and pain．
（40）___．They try to improve their patients'condition by encouraging them to laugh．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．Therefore，people are taught to laugh．
B．Laughter is closely related to good health．
C．Until recently，few people took the saying seriously．
D．If laughter exercises the body，it must be beneficial．
E．Tests were carried out to study the effects of laughter on the body．
F．As a result，some doctors in the United States now hold laughter clinics．
G．The group that tolerated the pain for the longest time was the group which listened to
a funny program．

Answer 1

36-40 CEDGF
36．C 考查上下文理解判断能力．根据下文However，doctors have begun to look into laughter and the effects that has on the human body可知，医生开始研究大笑对人体的影响，那前文应是人们以前没有慎重看待大笑．故选C．
37．E　考查上下文理解判断能力．根据下文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可知，人们观看有趣的电影，医生对他们进行心脏，血压，呼吸和肌肉的检查，发现大笑类似于体育锻炼．那前文应是与测试有关．故选E．
38．D 考查上下文理解判断能力．根据前文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可知，大笑对血压，心脏，呼吸都有好处，甚至对面部，胃及脚都起作用，那下文应是：如果大笑能锻炼身体，
它肯定有好处．故选D．
39．G 考查上下文理解判断能力．根据下文The reason why laughter can reduce pain seems to be that it helps to produce a kind of chemical in the brain which reduces both stress and pain可知，能减轻疼痛是因为大笑能让大脑产生一种化学物质来减少压力和疼痛．那前文应与疼痛有关．故选G．
40．F 考查上下文理解判断能力．根据下文They try to improve their patients'condition by encouraging them to laugh可知，通过鼓励病人大笑来改善病人的状况，那前文应与医生或医院有关．故选F．