2013高考英语考前50天（阅读理解）训练秘笈（1）及答案ACellphones:isthereacancerlink?Couldyourcellphonegiveyoucancer?Whetheritcouldornot,somepeopleareworryingaboutthepossibilitythatphones,powerlinesandwi-ficouldberesponsibleforarangeofillnesses,fromrashestobraintumors.Somesaythereisevidencetosupportthegrowinganxieties.DavidCarpenter,aprofessorofenvironmentalhealthsciencesattheuniversityatAlbany,inNewYork,thinksthere’sagreaterthan95percentchancethatpowerlinescancausechildhoodleukemia(白血病).Alsothere’sagreaterthan90percentchancethatcellphonescancausebraintumors.“It’sapparentnowthatthere’sarealrisk,”saidCarpenter.Butothersbelievetheseconcernsareunjustified.DrMarthaLinet,theheadofradiationepidemiology(流行病学)attheUSNationalCancerInstitute,haslookedatthesameresearchasCarpenterbuthasreachedadifferentconclusion.“Idon’tsupportwarninglabelsforcellphones,”saidLinet.“Wedon’thavetheevidencethatthere’smuchdanger.”StudiessofarsuggestaweakconnectionbetweenEMFs(电磁场)andillness—soweakthatitmightnotexistatall.Amultinationalinvestigationofcellphonesandbraincancer,in13countriesoutsidetheUS,hasbeenunderwayforseveralyears.It’sfundedinpartbytheEuropeanUnion,inpartbyacellphoneindustrygroup.Thefinalreportshouldcomeoutlaterthisyear,butdatasofardon’tsuggestastronglinkbetweencellphoneuseandcancerrisk.44.Fromthepassagewecanlearnthatsomepeopleareworriedbecause_______.A.theyhaveevidencethattheuseofcellphonescanleadtocancerB.theymakeafussovercellphoneuseC.someexpertshavegivenawarningD.cellphonesareresponsibleforbraintumors145.Bysaying“Idon’tsupportwarninglabelsforcellphones,”DrMarthaLinethastheideathat_______.A.theworryingisunnecessaryB.cancer-warninglabelsshouldbeoncellphonesC.thereisalinkbetweencellphonesandcancerD.cellphoneshavenothingtodowithcancer46.Whichofthefollowingbestdescribestheattitudeoftheauthortowardsthedebate?A.Optimistic.B.Objective.C.Opposite.D.Casual.【文章大意】手机和癌症是否存在着必然的联系？有人说有证据支持人们不断增长的焦虑，而其他人认为这种担心并没有被证明其正确性。然而目前的研究表明这两者之间仅有非常微弱的联系，这种联系微弱得甚至可以认为是不存在的。44.【解析】选C。细节理解题。根据文章第二段中Carpenter教授提到的所谓手机危险，而在第三段里MarthaLinet提到Idon’tsupportwarninglabelsforcellphones可知，人们对手机安全性的担心只是因为某些专家这样说，人们就认为如此。45.【解析】选A。推理判断题。从第三段中的Wedon’thavetheevidencethatthere’smuchdanger可以看出MarthaLinet博士并不支持手机危险性的说法，他认为人们对手机与癌症有关的担心是多余的。46.【解析】选B。推理判断题。本文作者旨在向读者陈述人们对手机和癌症联系的一些不同的观点，并没有加入自己的观点或意见，故选objective(客观的)，符合文章的整体风格。******************************************************结束Decision-makingunderStressAnewreviewbasedonaresearchshowsthatacutestressaffectsthewaythebrainconsiderstheadvantagesanddisadvantages,causingittofocusonpleasureandignorethepossiblenegative(负面的)consequencesofadecision.Theresearchsuggeststhatstressmaychangethewaypeoplemakechoicesinpredictableways.“Stressaffectshowpeoplelearn,”saysProfessorMaraMather.“Peoplelearn2betteraboutpositivethannegativeoutcomesunderstress.”Forexample,tworecentstudieslookedathowpeoplelearnedtoconnectimages(影像)witheitherrewardsorpunishments.Inoneexperiment,someoftheparticipantswerefirststressedbyhavingtogiveaspeechanddodifficultmathproblemsin...
