大学英语六级考试模拟题(含答案)

ModelTestOnePartPartⅠWritingDirections:Forthispart,youareallowed30minutestowriteashortessayentitledMyViewonMoon-lite.Youshouldwriteatleast150wordsfollowingtheoutlinegivenbelow:1.如今的年轻人中流行“月光族”，就是每个月都反自己赚的钱花光，没有任何积蓄的人群2.有人认为这是时尚的体现，但这样做存在着种种问题3.我的看法MyViewonMoonlitePartⅡReadingComprehension(SkimmingandScanning)Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestion1--7,choosethebestanswerfromthefourchoicesmarkedA),B),C)andD).Forquestions8--10,completethesentenceswiththeinformationgiveninthepassage.GeniusesIn1905,AlbertEinsteindevelopedthetheoryofspecialrelativity.Healsoprovedthatatomsexistandfiguredoutthatlightbehavesasbothaparticleandawave.Totopitalloff,hedevelopedhisfamousequationE=mc上标c,whichdescribestherelationshipbetweenmatterandenergy,thesameyear.Hewasonly26yearsold.Withoutadoubt,Einsteinwasagenius.SowasIsaacNewton-asanyfanofStarTrek.TheNextGenerationcansayheinventedphysics.Healsoplayedabigroleinthedevelopmentofcalculus,whichsomepeoplehavetroublecomprehendingevenafterextensiveclassroomstudy.Anothergenius,WolfgangAmadeusMozart,startedcomposingmusicwhenhewas5yearsold.Mozartwrotehundredsofpiecesbeforehisdeathin1760atage35.Accordingtoconventionalwisdom,geniusesaredifferentfromeveryoneelse.Theycanthinkfasterandbetterthanotherpeople,Inaddition,manypeoplethinkthatallthatextrabrainpowerleadstoeccentricorquirkybehavior.Andalthoughgeniusesarefairlyeasytospot,definingexactlywhatmakesonepersonageniusisalittletrickier.Figuringouthowthatpersonbecameageniusisharderstill.Therearetwobigthingsthatmakeitdifficulttostudygenius:Thegeniuslabelissubjective.Somepeopleinsistthatanyonewithanintelligencequotient(IQ)higherthanacertainvalueisagenius.OthersfeelthatIQtestsmeasureonlyalimitedpartofaperson'stotalintelligence.Somebelievehightestscoreshavelittletodowithrealgenius.Geniusisabig-pictureconcept.Mostscientificandmedicalinquiries,ontheotherband,examinedetails.Aconceptassubjectiveasgeniusisn'teasytoquantify,analyzeorstudy.So,whenexploringhowgeniuseswork,it'sagoodideatostartbydefiningpreciselywhatageniusis.Forthepurposeofthisarticle,ageniusisn'tsimplysomeonewithanexceptionallyhighIQ.Instead,ageniusisanextraordinarilyintelligentpersonwhobreaksnewgroundwithdiscoveries,inventionsorworksofart.Usually,agenius'workchangesthewaypeopleviewtheworldorthefieldinwhichtheworktookplace.Inotherwords,ageniusmustbebothintelligentandabletousethatintelligenceinaproductiveorimpressiveway.GeniusandtheBrainThebrainregulatesthebody'sorgansystems.Whenapersonmovesaround,itsendsimpulsesalongthenervesandtellsthemuscleswhattodo.Thebraincontrolsthesensesofsmell,taste,touch,sightandhearing,andthepersonexperiencesandprocessesemotionsusinghisbrain,Ontopofallthat,thebrainallowspeopletothink,analyzeinformationandsolveproblems.Buthowdoesitmakesomeonesmart?Scientistshaven'tfiguredoutexactlyhowallthegraymatterinthebrainworks,buttheydohaveanideaofwhichpartletspeoplethink.Thecerebralcortex(大脑皮层),whichistheoutermostpartofthebrain,iswherethoughtandreasoninghappen.Thesearethebrain'shigherfunction--thelowerfunctions,whichrelatetobasicsurvival,takeplacedeeperinthebrain.Thecerebralcortexisthelargestpartofthebrain,andit'sfullofwrinklesandfoldsthatallowittofitintheskull.Ifanadulthuman'scerebralcortexisremovedandstretchedout,itwouldbeaboutaslargeasafewpagesofanewspaper.It'sdividedintoseverallobes(裂片),anddifferentregionswithintheselobeshandlespecifictasksrelatedtohowpeoplethink.Inspiteofallthosechallengestoseethebraininsideandhowitworks,researchershavefiguredoutafewthingsabouthowthebrainaffectsintelligence.A2004studyattheUniversityofCalifornia,Irvinefoundthatthevolumeofgraymatterinpartsofthecerebralcortexhadagreaterimpactonintelligencethanthebrain'stotalvolume.Thefindingssuggestthatthephysicalattributesofmanypartsofthebrain--ratherthanacentralizedintelligencecenter--determinehowsmartapersonis.GeniusandIntelligenceLikegenius,intelligencecanbedifficulttoquantify.Psychologistsandneuroscientistsstudyintelligenceextensively.Anentirefieldofstudy,knownaspsychometrics,isdevotedtostudyingandmeasuringintelligence.Butevenwithinthatfield,expertsdon'talwaysagreeonexactlywhatitisorhowbesttoanalyzeit.Andwhileintelligenceiscentraltogenius,notallgeniusesscorewellonintelligencetestsorperformwellinschool.Intelligencetestinghasexistedforthousandsofyears.ThetestsweknowasIQtestsgottheirstartneartheendofthe19thcentury.Today,IQtestsgenerallymeasureaperson'smemoryaswellaslanguage,spatialandmathematicalabilities.IQtestsarealsostandardizedsothatmostpeoplescorebetween90and110.Whenplacedonagraph,theIQtestscoresofalargegroupofpeoplewillgenerallyresembleabellcurve,withmostpeoplescoringintheaveragerange.Acommonperceptionisthatanyonescoringaboveacertainnumber--often140--isautomaticallyagenius.Butinspiteoftheexistenceofhigh-IQorganizations,manyscientistscautionthatthereisnosuchthingasagenius-levelIQ.Manyeducatorsandresearchersfeelthat,ingeneral,standardizedIQtestsdoagoodjobofpredictinghowwellachildwillperforminschool.Schoolsoftenusetheseteststodeterm