英语四级完形填空解析

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1、英语四级完形填空解析Fromchildhoodtooldage，wealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus.Whenhumansfirst1，theywerelikenewbornchildren，unabletousethis2tool.Yetoncelanguagedeveloped，thepossibilitiesforhumankindsfuture3andculturalgrowthincreased.Manylin

2、guistsbelievethatevolutionis4forourabilitytoproduceanduselanguage.They5thatourhighlyevolvedbrainprovidesus6aninnatelanguageabilitynotfoundinlower7.Proponentsofthisinnatenesstheorysaythatour8forlanguageisinborn，butthatlanguageitselfdevelopsgradually，9afunctionofthegrowtho

3、fthebrainduringchildhood.Thereforetherearecritical10timesforlanguagedevelopment.Current11ofinnatenesstheoryaremixed，however，evidencesupportingtheexistenceofsomeinnateabilitiesisundeniable.12，moreandmoreschoolsarediscoveringthatforeignlanguagesarebesttaughtin13grades.Youn

4、gchildrenoftencanlearnseverallanguagesbybeing14tothem，whileadultshaveamuchhardertimelearninganotherlanguageoncethe15oftheirfirstlanguagehavebecomefirmlyfixed.16someaspectsoflanguageareundeniablyinnate，languagedoesnotdevelopautomaticallyinavacuum.Childrenwhohavebeen17from

5、otherhumanbeingsdonotpossesslanguage.Thisdemonstratesthat18withotherhumanbeingsisnecessaryforproperlanguagedevelopment.Somelinguistsbelievethatthisisevenmorebasictohumanlanguage19thananyinnatecapacities.Thesetheoristsviewlanguageasimitative，learnedbehavior.20，childrenlea

6、rnlanguagefromtheirparentsbyimitatingthem.Parentsgraduallyshapetheirchild’slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones.1.A.generatedB.evolvedC.bornD.originated2.A.valuableB.appropriateC.convenientD.favorite3.A.attainmentsB.

7、feasibilityC.entertainmentsD.evolution4.A.essentialB.availableC.reliableD.responsible5.A.confirmB.informC.claimD.convince6.A.forB.fromC.ofD.with7.A.organizationsB.organismsC.humansD.children8.A.potentialB.performanceC.preferenceD.passion9.A.asB.justasC.likeD.unlike10.A.i

8、deologicalB.biologicalC.socialD.psychological11.A.reviewsB.referenceC.reactionD.recommendation12.A.Inaw