英语四级完形填空练习.doc

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1、第六篇　　Fromchildhoodtooldage,wealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus.Whenhumansfirst1,theywerelikenewbornchildren,unabletousethis2tool.Yetoncelanguagedeveloped,thepossibilitiesforhumankind‘sfuture3andculturalgrowthincreased.　　M

2、anylinguistsbelievethatevolutionis4forourabilitytoproduceanduselanguage.They5thatourhighlyevolvedbrainprovidesus6aninnatelanguageabilitynotfoundinlower7.Proponentsofthisinnatenesstheorysaythatour8forlanguageisinborn,butthatlanguageitselfdevelopsgradually,9afuncti

3、onofthegrowthofthebrainduringchildhood.Thereforetherearecritical10timesforlanguagedevelopment.　　Current11ofinnatenesstheoryaremixed,however,evidencesupportingtheexistenceofsomeinnateabilitiesisundeniable.12,moreandmoreschoolsarediscoveringthatforeignlanguagesareb

4、esttaughtin13grades.Youngchildrenoftencanlearnseverallanguagesbybeing14tothem,whileadultshaveamuchhardertimelearninganotherlanguageoncethe15oftheirfirstlanguagehavebecomefirmlyfixed.　　16someaspectsoflanguageareundeniablyinnate,languagedoesnotdevelopautomaticallyi

5、navacuum.Childrenwhohavebeen17fromotherhumanbeingsdonotpossesslanguage.Thisdemonstratesthat18withotherhumanbeingsisnecessaryforproperlanguagedevelopment.Somelinguistsbelievethatthisisevenmorebasictohumanlanguage19thananyinnatecapacities.Thesetheoristsviewlanguage

6、asimitative,learnedbehavior.20,childrenlearnlanguagefromtheirparentsbyimitatingthem.Parentsgraduallyshapetheirchild'slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones.　　1.A.generatedB.evolvedC.bornD.originated　　2.A.valuab

7、leB.appropriateC.convenientD.favorite　　3.A.attainmentsB.feasibilityC.entertainmentsD.evolution　　4.A.essentialB.availableC.reliableD.responsible　　5.A.confirmB.informC.claimD.convince　　6.A.forB.fromC.ofD.with　　7.A.organizationsB.organismsC.humansD.children　　8.A.pot

8、entialB.performanceC.preferenceD.passion　　9.A.asB.justasC.likeD.unlike　　10.A.ideologicalB.biologicalC.socialD.psychological　　11.A.reviewsB.referenceC.reactionD