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1、阅读理解练习一Directions:Readthefollowingthreetexts.AnswerthequestionsoneachtextbychoosingA,B,CorD.Text1 Anincreasingnumberofscientistshavefoundthatanythingthatgivesyoupleasuremaybemorethanjustfun.Pleasureandhumormighthelpuslivelonger,fightoffillness,andcuredrugaddiction.
2、"Sciencehasgenerallyneglectedpleasureandhumortoconcentrateonnegativethingslikedepressionandillness,"saidDr.WilliamFry,apsychiatryprofessoratStanfordUniversityMedicalCenterinCalifornia."Butthere'sagrowingrealizationofjusthowpowerfulpleasureis." Forexample,researchsh
3、owsthatsmilingandlaughingcanactuallystrengthenyourimmunesystem,reducestressandphysicalpain,andevenhelpcancerpatients.OneresearchprojectatLoamLindaUniversityshowedthesebeneficialeffectsoflaughteronthebody.Inthestudy,tenmedicalstudentswerehookeduptoseveralmachinesands
4、pentanhourwatchingafunnyvideotapeofamansmashingwatermelonswithahammer. Researcherswerenottryingtoprovethatsmashingwatermelonsisafunnythingtodo.Theyalreadyknewthatthevolunteerswouldprobablyhowlwithlaughter.Whattheresearcherswantedtofindoutwashowgrinning,chuckling,an
5、dhowlingaffectedthevolunteersastheywatchedthevideo. Theresearchersweredelightedtodiscoverthatsmallbutimportantchangesweretakingplaceinthevolunteers'bloodstreamastheygiggledorroaredwithlaughter.Theirbloodshowedincreasedproductionofwhitebloodcells(thebloodcellsthatde
6、fendusagainstinfectionanddisease).Atthesametime,adecreasewasnoticedinthelevelsofchemicalsthatstoptheimmunesystemfromworkingproperly.Studiessuchasthisseemtoshowthatyoushouldlaugh,chortle,andhowlasmuchaspossible!Youwillincreaseyourchancesoflivingalong,healthylife,That
7、'swhatoneresearchermeanswhenhesays,"Hewholaughs,lasts.Foryearswe'vethoughtthatlaughterandotherformsofpleasureweregoodforyou.Nowit'saphysiologicalreality.'Text1 译文 越来越多的科学家发现，任何乐事带来的不仅仅是乐趣。快乐和幽默可以使我们增寿、抵御疾病和治疗药物成瘾。“科学家们一直以来忽略了快乐和幽默的作用，而重视研究负面的东西，比如,失落和疾病。”威廉·弗莱博士这样说
8、到，“但是也越来越多地认识到快乐的强大力量。” 比如，一项研究表明微笑和大笑实际上可以提高你的免疫系统能力、减轻压力和病痛，甚至还可以帮助癌症患者。罗姆林达大学的一项研究项目证明了这些在人身体上笑的有益作用。在这项研究中，十名和几台机器连接的医科学生要花一个小时观看一部一个
