根據(jù)短文內容， 從短文后的選項中選出能填入空白處的最佳選項。選項中有兩項為多余選項。
You may know the benefits of laughter on the mind and spirit. _1___ Norman Cousins used to say that laughter has such a good effect on your body that it is like “inner jogging”.
Mayo Clinic Health Letter reports that laughter aids breathing by incresing your breathing rate.. It can even help clear mucus(黏液) from your lungs.
__2__ It increases circulation(循環(huán)) and improves the flow of oxgen and nutrition to tissues(血管) throught your body..It can help protect you against a heart attack.
__3___ It helps fight off colds, flu,etc. by increasing the concentration of immunolobulin (免疫球蛋白A) in your saliva(唾液) .And it may help control pain by raising the levels of certain brain chemicals.
In addition, it is a natural stress reliever（緩解）.Have you ever laughed so hard that you bent over, fell off your chair, or spit out your food? __4___
I read that a child laughs 400 times a day on average, while an adult laughs only 15 times each day. The good news is that you are allowed more than 15 laughs a day! Go ahead and double it and make it 30 times today. You may begin to notice immediate improvement in your relationships! Then double it again! __5___ People will enjoy being around you as well.
Laughter: it’s the best medicine!
A. Laughter is also good for your heart.
B. Laughter can bring some relief from mental stress.
C. A good, hearty laugh relieves physical tension(緊張) and stress.
D. However, it is confusing why laughter makes people feel so good.
E. A good laugh helps build up your body to protect against diseases
F. You are likely to feel even better and deal with problems more effectively.
G.  However, are you aware of how much a good laugh can help you physically?


【小題1】G
【小題2】A
【小題3】E
【小題4】C
【小題5】F

解析試題分析：本文講述的是笑對人的好處“笑一笑，十年少”。
【小題1】G 根據(jù)前一句You may know the benefits of laughter on the mind and spirit.說明笑聲對人的精神有很大的好處，接下來就要講述的是笑聲對人的身體上的好處。故G項符合上下文。
【小題2】A 根據(jù)上句It can even help clear mucus(黏液) from your lungs.以及本段敘述內容說明笑聲對人的心臟也是很有好處的。故A項符合上下文。
【小題3】E 根據(jù)下句It helps fight off colds, flu,etc.說明本段是關于笑的具體的好處，選項中只有E項內容與之相符。
【小題4】C 根據(jù)本段第一句it is a natural stress reliever（緩解）說明笑聲可以減壓，那么C項內容與之相符。
【小題5】F 根據(jù)上3句內容都是要求我們多笑，這句應該說明的是笑聲的對我們影響，故F項正確。
考點：考查健康類短文
點評：做題時要注意文章的首段和每一段的首句或尾句，因為它們往往就是文章的主題句。閱讀中要注意要點之間的關系，找出答題所需要的依據(jù)，完成閱讀任務。

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