大学英语四级完形填空练习题六

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1、大学英语四级完形填空练习题六（附答案详解）阅Fromchildhoodtooldage，wealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus。Whenhumansfirst1，theywerelikenewbornchildren，unabletousethis2tool。Yetoncelanguagedeveloped，thepossibilitiesforhumankindsfuture3andculturalgrowthin

2、creased。Manylinguistsbelievethatevolutionis4forourabilitytoproduceanduselanguage。They5thatourhighlyevolvedbrainprovidesus6aninnatelanguageabilitynotfoundinlower7。Proponentsofthisinnatenesstheorysaythatour8forlanguageisinborn，butthatlanguageitselfdevelopsgradually，9afun

3、ctionofthegrowthofthebrainduringchildhood。Thereforetherearecritical10timesforlanguagedevelopment。Current11ofinnatenesstheoryaremixed，however，evidencesupportingtheexistenceofsomeinnateabilitiesisundeniable。12，moreandmoreschoolsarediscoveringthatforeignlanguagesarebestta

4、ughtin13grades。Youngchildrenoftencanlearnseverallanguagesbybeing14tothem，whileadultshaveamuchhardertimelearninganotherlanguageoncethe15oftheirfirstlanguagehavebecomefirmlyfixed。16someaspectsoflanguageareundeniablyinnate，languagedoesnotdevelopautomaticallyinavacuum。Chil

5、drenwhohavebeen17fromotherhumanbeingsdonotpossesslanguage。Thisdemonstratesthat18withotherhumanbeingsisnecessaryforproperlanguagedevelopment。Somelinguistsbelievethatthisisevenmorebasictohumanlanguage19thananyinnatecapacities。Thesetheoristsviewlanguageasimitative，learned

6、behavior。20，childrenlearnlanguagefromtheirparentsbyimitatingthem。Parentsgraduallyshapetheirchild‘slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones。1。A。generatedB。evolvedC。bornD。originated2。A。valuableB。appropriateC。convenientD。

7、favorite3。A。attainmentsB。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

8、。justasC。likeD。unlike10。A。ideologicalB。biologicalC。socialD。psychological11。A。reviewsB。referenceC。reactionD。recommenda