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1、Unit1LeisureActivitiesSectionOneReadingComprehensionDirections:Thereare2passagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheA
2、nswerSheetwithasinglelinethroughthecenter.PassageOneQuestions1-5arebasedonthefollowingpassage:“Humansshouldnottrytoavoidstressanymorethantheywouldshunfood,loveorexercise.”SaidDr.HansSelye,thefirstphysiciantodocumenttheeffectsofstressonthebody.Whilehere’sonquestiontha
3、tcontinuousstressisharmful,severalstudiessuggestthatchallengingsituationsinwhichyou’reabletorisetotheoccasioncanbegoodforyou.Ina2001studyof158hospitalnurses,thosewhofacedconsiderableworkdemandsbutcopedwiththechallengeweremorelikelytosaytheywereingoodhealththanthosewh
4、ofelttheystressthatyoucanmanagealsoboostimmunefunction.InastudyattheAcademicCenterforDentistryinAmsterdam,researchersputvolunteersthroughtwostressfulexperiences.Inthefirst,atimedtaskthatrequiredmemorizingalistfollowedbyashorttest,subjectsthroughagoryvideoonsurgicalpr
5、ocedures.ThosewhodidwellonthememorytesthadanincreaseinlevelsofimmunoglobulinA,anantibodythat’sthebody’sfirstlineofdefenseagainstgerms.Thevideo-watchersexperiencedadownturnintheantibody.Stresspromptsthebodytoproducecertainstresshormones.Inshortburststhesehormoneshavea
6、positiveeffect,includingimprovedmemoryfunction.“Theycanhelpnervecellshandleinformationandputitintostorage,”saysDr.BruceMcEwenofRockefellerUniversityinNewYork.Butinthelongrunthesehormonescanhaveaharmfuleffectonthebodyandbrain.“Sustainedstressisnotgoodforyou,”saysRicha
7、rdMorimoto,aresearcheratNorthwesternUniversityinIllinoisstudyingtheeffectsofstressonlongevity,”It’stheoccasionalburstofstressorbriefexposuretostressthatcouldbeprotective.”1.Thepassageismainlyabout____C____.A)howtoavoidstressfulB)howtocopewithstresseffectivelyC)theben
8、efitsofmanageablestressD)theeffectofstressharmoniesonmemory2.Theword“shun”(Line,Para.1)mostprobablymeans___B_____.A)cutdownonB)stay
