2016年6月大学英语四级阅读每天一练(24)思维导图

距离2016年6月四级考试越来越近了，现在正是大家备考英语四级最好的时机。新东方网英语四级频道为大家整理了英语四级阅读每天一练，希望可以为大家带来帮助。

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____________.

22.Thebeststatementofthemainideaofthispassageisthat_______.

23.Accordingtothepassage,theaverageI.Q.is_______.

C.110D.125

24.Thecasehistoryofthetwinsappearstosupporttheconclusionthat_______.

25.Thispassagesuggeststhatanindividual'sI.Q._______.

大学英语四六级考试CET46