10.There is an old saying in English,"(16)F".Until recently,few people took the saying very seriously.Now however,doctors have begun to study laughter and the effects (作用) it has on the human body.(17)G
Tests were carried out to study the effects of laughter on the body.People watched funny films while doctors checked their heart rate,blood pressure,breathing and muscles.It was found that laughter has similar effects to physical exercise.(18)D   If laughter exercises the body,it must be helpful.
Other tests have shown that laughter appears to make the effect of pain on the body less.In one experiment doctors produced pain in groups of students who listened to different radio programs.The group which could bear the pain for the longest time was the group which listened to a funny program.(19)C
(20)BThey have found that even if their patients do not really feel like laughing,making them smile is enough to produce good effects similar to those caused by laughter.

A.Laughter can prolong one's life.
B.As a result of these discoveries,some doctors in the United States now hold laughter clinics,in which they try 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 chemicals in the brain which diminish both stress and pain.
D.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.
E.Although laughter helps cure the disease,doctors still cannot put this theory into clinic practice.
F.Laughter is the best medicine
G.They have found evidence that laughter really can improve people's health.

分析 本文主要講述的就是笑的巨大作用,笑是最好的藥,對我們的身體有很好的作用,建議我們要多笑.

解答 36.F.推理判斷題.根據(jù)文章Now however,doctors have begun to study laughter and the effects (作用) it has on the human body醫(yī)生開始研究笑以及對人類身體的影響,可知這句諺語跟笑有關(guān),而A不是諺語,故選F
37.G.推理判斷題.根據(jù)文章Now however,doctors have begun to study laughter and the effects (作用) it has on the human body醫(yī)生開始研究笑以及對人類身體的影響,可知他們發(fā)現(xiàn)了笑確實能改善人們健康的證據(jù);故選G.
38.D.推理判斷題.根據(jù)前文People watched funny films while doctors checked their heart rate,blood pressure,breathing and muscles.It was found that laughter has similar effects to physical exercise可知它能增加血壓、心臟跳動和呼吸;它還能鍛煉面部、胃部甚至足部的肌肉群;故選D.
39.C.推理判斷題.根據(jù)前文The group which could bear the pain for the longest time was the group which listened to a funny program可知笑之所以能減輕疼痛似乎是因為它有助于在大腦中產(chǎn)生一種減輕壓力和疼痛的化學物質(zhì);故選C.
40.B.推理判斷題.根據(jù)后文They have found that even if their patients do not really feel like laughing,making them smile is enough to produce good effects similar to those caused by laughter可知由于這些發(fā)現(xiàn),一些在美國的醫(yī)生舉辦了笑診所,在他們試圖鼓勵他們笑改善他們的病情;故選B.

點評 七選五閱讀是完成性閱讀,和完形填空很類似,不同的是一個選詞,一個選句子.解題時,要注意上下文語境,充分考慮信息詞(選項中和空格前后句子中相同或相近的詞),選出最符合語境的句子.

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