英语四级阅读理解模拟试题附答案

英语四级阅读理解模拟试题附答案 　英语四级阅读理解模拟试题：【原文】　There are two factors which determine an individuals intelligen

英语四级阅读理解模拟试题附答案 英语四级阅读理解模拟试题：【原文】 Therearetwofactorswhichdetermineanindividuals intelligence.Thefirstisthesortofbrainheisbornwith. Humanbrainsdifferconsiderably,somebeingmorecapable thanothers.Butnomatterhowgoodabrainhehastobegin with,anindividualwillhavealoworderofintelligence unlesshehasopportunitiestolearn.Sothesecondfactoris whathappenstotheindividual—thesortofenvironmentin whichheisbroughtup.Ifanindividualishandicapped(不利) environmentally,itislikelythathisbrainwillfailto developandhewillneverattainthelevelofintelligenceof whichheiscapable. Theimportanceofenvironmentindeterminingan individualsintelligencecanbedemonstratedbythecase historyoftheidenticaltwins,PeterandMark.Being identical,thetwinshadidenticalbrainsatbirth,andtheir growthprocesseswerethesame.Whenthetwinswerethree