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  3. There is an English saying," Laughter is the best medicine." Until recently, few people took the saying seriously. Now, however,

There is an English saying," Laughter is the best medicine." Until recently, few people took the saying seriously. Now, however,

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问题     There is an English saying," Laughter is the best medicine." Until recently, few people took the saying seriously. Now, however, doctors have begun to look into laughter and the effects it bas on the human body. They have found that laughter really can improve people’s health.
    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. It increases blood pressure, the heart beating and breathing; it also works several groups of muscles in the face, the stomach, and even the feet. 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 programs. The group that tolerated the pain for the longest time was the group which listened to a funny program. The reason why laughter can reduce pain seems to be that it helps to produce a kind of chemicals in the brain which diminish both stress and pain.
    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. 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.
Doctors have proved the following EXCEPT that ______.
选项 A、smiling does good to health
B、laughter can be tolerated
C、there is a way to reduce pain
D、laughter can work the muscles in the feet
答案B
解析 本题是对细节信息进行归纳、推理和词汇知识的考查。其中关键词为Doctors… proved．．．：EXCEPT。后者最为重要。解题时可在文章中把与理解题有关的词语标出来，再用排除法与各选项进行对照和判断，按问题要求筛选出正确答案。通过第2段第1句和末句，可以得知医生对笑所进行的实验证明如果用它锻炼身体，一定对健康有益(beneficial)。这与A项good to health意思一致；笑甚至可以活动脚部肌肉(第2段倒数第2句)，符合D项；可以减轻痛苦(第3段第 1句)与C项内容一致。唯有B项信息文中并未说明或暗示，故属“EXCEPT”之列，是正确的选项。
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