Fromchildhoodtooldage,wealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus.Whenhumansfirst1,theywerelikenewbornchildren,unabletousethis2tool.Yetoncelanguagedeveloped,thepossibilitiesforhumankind’sfuture3andculturalgrowthincreased.Manylinguistsbelievethatevolutionis4forourabilitytoproduceanduselanguage.They5thatourhighlyevolvedbrainprovidesus6aninnatelanguageabilitynotfoundinlower7.Proponentsofthisinnatenesstheorysaythatour8forlanguageisinborn,butthatlanguageitselfdevelopsgradually,9afunctionofthegrowthofthebrainduringchildhood.Thereforetherearecritical10timesforlanguagedevelopment.Current11ofinnatenesstheoryaremixed,however,evidencesupportingtheexistenceofsomeinnateabilitiesisundeniable.12,moreandmoreschoolsarediscoveringthatforeignlanguagesarebesttaughtin13grades.Youngchildrenoftencanlearnseverallanguagesbybeing14tothem,whileadultshaveamuchhardertimelearninganotherlanguageoncethe15oftheirfirstlanguagehavebecomefirmlyfixed.16someaspectsoflanguageareundeniablyinnate,languagedoesnotdevelopautomaticallyinavacuum.Childrenwhohavebeen17fromotherhumanbeingsdonotpossesslanguage.Thisdemonstratesthat18withotherhumanbeingsisnecessaryforproperlanguagedevelopment.Somelinguistsbelievethatthisisevenmorebasictohumanlanguage19thananyinnatecapacities.Thesetheoristsviewlanguageasimitative,learnedbehavior.20,childrenlearnlanguagefromtheirparentsbyimitatingthem.Parentsgraduallyshapetheirchild'slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones.请在12处填上正确答案()
A. Inaword
B. Inasense
C. Indeed
D. Inotherwords
结合重大节日的庆祝活动,支队应每年组织()次歌咏比赛。
A. 1
B. 2
C. l—2
D. 2—3
挖掘机的发展趋势向大型化、多功能化()的方向发展。
A. 小型化
B. 先进化
C. 多样化
D. 操控自动化
Fromchildhoodtooldage,wealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus.Whenhumansfirst1,theywerelikenewbornchildren,unabletousethis2tool.Yetoncelanguagedeveloped,thepossibilitiesforhumankind’sfuture3andculturalgrowthincreased.Manylinguistsbelievethatevolutionis4forourabilitytoproduceanduselanguage.They5thatourhighlyevolvedbrainprovidesus6aninnatelanguageabilitynotfoundinlower7.Proponentsofthisinnatenesstheorysaythatour8forlanguageisinborn,butthatlanguageitselfdevelopsgradually,9afunctionofthegrowthofthebrainduringchildhood.Thereforetherearecritical10timesforlanguagedevelopment.Current11ofinnatenesstheoryaremixed,however,evidencesupportingtheexistenceofsomeinnateabilitiesisundeniable.12,moreandmoreschoolsarediscoveringthatforeignlanguagesarebesttaughtin13grades.Youngchildrenoftencanlearnseverallanguagesbybeing14tothem,whileadultshaveamuchhardertimelearninganotherlanguageoncethe15oftheirfirstlanguagehavebecomefirmlyfixed.16someaspectsoflanguageareundeniablyinnate,languagedoesnotdevelopautomaticallyinavacuum.Childrenwhohavebeen17fromotherhumanbeingsdonotpossesslanguage.Thisdemonstratesthat18withotherhumanbeingsisnecessaryforproperlanguagedevelopment.Somelinguistsbelievethatthisisevenmorebasictohumanlanguage19thananyinnatecapacities.Thesetheoristsviewlanguageasimitative,learnedbehavior.20,childrenlearnlanguagefromtheirparentsbyimitatingthem.Parentsgraduallyshapetheirchild'slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones.请在15处填上正确答案()
A. regulations
B. formations
C. rules
D. constitutions