英语四级阅读模拟题：智力2015年英语四级阅读模拟题：智力Therearetwofactorswhichdetermineanindividual'sintelligence.Thefirstisthesortofbrainheisbornwith.Humanbrainsdifferconsiderably,somebeingmorecapablethanothers.Butnomatterhowgoodabrainhehastobeginwith,anindividualwillhavealoworderofintelligenceunlesshehasopportunitiestolearn.Sothesecondfactoriswhathappenstotheindividual—thesortofenvironmentinwhichheisbroughtup.Ifanindividualishandicapped(不利)environmentally,itislikelythathisbrainwillfailtodevelopandhewillneverattainthelevelofintelligenceofwhichheiscapable.Theimportanceofenvironmentindetermininganindividual'sintelligencecanbedemonstratedbythecasehistoryoftheidenticaltwins,PeterandMark.Beingidentical,thetwinshadidenticalbrainsatbirth,andtheirgrowthprocesseswerethesame.Whenthetwinswerethreemonthsold,theirparentsdied,andtheywereplacedinseparatefoster(抚养)homes.Peterwasraisedbyparentsoflowintelligenceinanisolatedcommunitywithpooreducationalopportunities.Markwasrearedinthehomeofwell-to-doparentswhohadbeentocollege.Hewasreadtoasachild,senttogoodschools,andgiveneveryopportunitytobestimulatedintellectually.Thisenvironmentaldifferencecontinueduntilthetwinswereintheirlateteens,whentheyweregiventeststomeasuretheirintelligence.Mark'sI.Q.was125,twenty-fivepointshigherthantheaverageandfullyfortypointshigherthanhisidenticalbrother.Givenequalopportunities,thetwins,havingidenticalbrains,wouldhavetestedatroughlythesamelevel.21.Thisselectioncanbestbetitled____________.A.MeasuringYourIntelligenceB.IntelligenceandEnvironmentC.TheCaseofPeterandMarkD.HowtheBrainInfluencesIntelligence22.Thebeststatementofthemainideaofthispassageisthat_______.A.humanbrainsdifferconsiderablyB.thebrainapersonisbornwithisimportantindetermininghisintelligenceC.environmentiscrucialindeterminingaperson'sintelligenceD.personshavingidenticalbrainswillhaveroughlythesameintelligence23.Accordingtothepassage,theaverageI.Q.is_______.A.85.B.100C.110D.12524.Thecasehistoryofthetwinsappearstosupporttheconclusionth