【序言解读】本文为议会论文。 微笑是世界上最通用的语言，微笑是世界上最温暖的语言。 本论文探讨了人类为什么笑的话题。

[2021湖南雅礼中学高三卷] laughterispartoftheuniversalhumanvocabulary.allmembersofthehumanspeciesunderstandit.undit.unlllikerit #039； thavetolearntospeakit.we&amp； #039； rebornwiththeCapacitytolaugh

verylittleisknownaboutthespecificbrainmechanisms (机制) responsibleforlaughter.contrarytofolkwisdom、 mostlaughterisnotabouthout itisaboutrelationships.tofindoutwhenandwhypeoplelaugh、 iwentwithseveralassistantstolocalmallsandrecordedwhathappenedjustbeforepeoplelaughed.over a10 year period，westudiedover 2，000

wefoundthatmostlaughterdoesnotnecessarilyfollowjokes.peoplemaylaughafteravarietyofstatements，such as，&amp； quot； Here comes Mary，&amp； quot； or “Do you have a rubber band？ ”These certainly aren&amp； #039； t jokes .

webelievelaughterevolvedfromthepanting (呼气) behaviorofourancientancestors.today，if we tickle )引起发痒) chimps，they #039； tLalaay instead，theyproduceapantingsound.that & amp； #039； sthesoundofapeLaughter，and it&amp； #039； s the root of human laughter .

apeslaughinthekindsofsituationsthatleadtohumanlaughter，likegamesthatinvolvechasing.otheranimalsproducesoundsduringplay， uttheyaresodifferentfromlaughter.rats，for example，producehighsoundsduringplayandwhentickled，buttheseareverydifferentin

Laughter is often positive，butitcanbenegativetoo.there & amp； #039； sadifferencebetween " laughing with " and " laughing at "peoplewholline

oonehasactuallycountedhowmuchpeopleofdifferentageslaugh，utyoungchildrenprobablylaughthemost.at age S5 and6 weprobablylaughmored

worknowunderwaywilltellusmoreaboutthebrainmechanismsbehindlaughter，how it has evolved，andwhywe&amp； #039； 资源保护链接。

1.whatwasthepurposeofthedecade & amp； #039； sresearch

a.toprovethatpeoplelaughbecauseofhumour。

b.tofindouttherealreasonforpeople & amp； #039； 灌篮高手。

c.toResearchpeople&amp； #039； 定义冲突修复作业。

d.torecordconversationsamongshoppersinmalls。

2.What can we learn from the text

a.peoplewhoplaymoretendtolaughmore。

b.apesproducehighsoundswhentickled。

c.scientistsknowthebrainmechanismsresponsibleforlaughterwell。

d.thesituationsinwhichapeslaughareverydifferentfromthoseinwhichhumanslaugh。

3.whatdoestheunderlinedword " susceptible " inthelastparagraphprobablymean

A.Sensitive.B.Flexible。

C.Addictive. D.Reliable。

4.whichofthefollowingmightbethebesttitleforthetext

A.The Impact of Laughter

B.The Meaning of Laughter

C.A Big Mystery: Why Do We Laugh

d.laughter:themostbeautifulwords