大学英语阅读理解专项练习Test1Directions:Readthefollowingthreetexts.AnswerthequestionsoneachtextbychoosingA,B,CorD.Text1Anincreasingnumberofscientistshavefoundthatanythingthatgivesyoupleasuremaybemorethanjustfun.Pleasureandhumormighthelpuslivelonger,fightoffillness,andcuredrugaddiction."Sciencehasgenerallyneglectedpleasureandhumortoconcentrateonnegativethingslikedepressionandillness,"saidDr.WilliamFry,apsychiatryprofessoratStanfordUniversityMedicalCenterinCalifornia."Butthere'sagrowingrealizationofjusthowpowerfulpleasureis."Forexample,researchshowsthatsmilingandlaughingcanactuallystrengthenyourimmunesystem,reducestressandphysicalpain,andevenhelpcancerpatients.OneresearchprojectatLoamLindaUniversityshowedthesebeneficialeffectsoflaughteronthebody.Inthestudy,tenmedicalstudentswerehookeduptoseveralmachinesandspentanhourwatchingafunnyvideotapeofamansmashingwatermelonswithahammer.Researcherswerenottryingtoprovethatsmashingwatermelonsisafunnythingtodo.Theyalreadyknewthatthevolunteerswouldprobablyhowlwithlaughter.Whattheresearcherswantedtofindoutwashowgrinning,chuckling,andhowlingaffectedthevolunteersastheywatchedthevideo.Theresearchersweredelightedtodiscoverthatsmallbutimportantchangesweretakingplaceinthevolunteers'bloodstreamastheygiggledorroaredwithlaughter.Theirbloodshowedincreasedproductionofwhitebloodcells(thebloodcellsthatdefendusagainstinfectionanddisease).Atthesametime,adecreasewasnoticedinthelevelsofchemicalsthatstoptheimmunesystemfromworkingproperly.Studiessuchasthisseemtoshowthatyoushouldlaugh,chortle,andhowlasmuchaspossible!Youwillincreaseyourchancesoflivingalong,healthylife,That'swhatoneresearchermeanswhenhesays,"Hewholaughs,lasts.Foryearswe'vethoughtthatlaughterandotherformsofpleasureweregoodforyou.Nowit'saphysiologicalreality.'1.Accordingtothetextpleasureandhumormight_______.〖A〗curecancer〖B〗cureinfectiousdiseases〖C〗helppeopleconcentrate〖D〗helppeoplequitsmoking2.InDr.WilliamFry'sopinionscientists______.〖A〗havepaidenoughattentiontotheeffectoflaughter〖B〗haveneglecteddepressionandillness〖C〗havepreferredpleasureandhumortodepressionandillness〖D〗haverealizedtheimportanceofpleasureinpeople'slives3.Laughterhelpstofightoffillnessbecause_______.〖A〗itincreasesbloodflowinhumanbody〖B〗ithelpstheproductionofbloodcells〖C〗itcanstrengthentheimmunesystemandreducesphysicalpain〖D〗itcanreducechemicalsinhumanblood4.Inthetexttheresearchersweretryingtofindout___.〖A〗howthetenstudentswouldlaugh〖B〗whythetenstudentslaughed〖C〗howlaughwouldaffectthestudents〖D〗whysmashingwatermelonswasfunny5.Thebesttitleforthetextwouldbe________.〖A〗Laughter-APowerfulMedicine〖B〗Laughter-AnIllnessKiller〖C〗LaughandLiveLong〖D〗APsychologicalRealityText2ThomasAlvaEdison,theAmericaninventor,wasbornin1847.Evenasachild,hewasalwayscuriousandalwaystryingtoinventnewthings.Hewasnotagoodstudentinschool,butbythetimehewasateenager,hehadalreadyhadseveraljobs:storeowner,telegraphoperator,andinventor.Healsohaddonelotsofchemistryexperimentsonhisown.However,whatEdisonreallywantedtodowasresearch.HeestablishedhisfirstlaboratoryinMenloPark,NewJersey,andlaterhesetupanotheroneinWestOrange,NewJersey.Intheselaboratories,heenjoyedtryingtocomeupwithsolutionstoproblemsthatnooneelsehadbeenabletosolve.Oneofhismostexcitinganddifficultchallengeswastocreatetheelectriclightbulb.Today,it'sverysimpleandeasytopr...
