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與實(shí)義動(dòng)詞相關(guān)的時(shí)態(tài)(8種時(shí)態(tài)HevisitsAmerica一般現(xiàn)在時(shí)態(tài)HevisitedAmerica一般過去時(shí)態(tài)HeisvisitingAmerica.(現(xiàn)在進(jìn)行時(shí)態(tài))HewasvisitingAmerica過去進(jìn)行時(shí)態(tài))HewillvisitAmerica.(一般將來時(shí)態(tài))can,couldmaymight,belikelytodoHewouldvisitAmerica過去將來時(shí)態(tài))HehasvisitedAmerica.(現(xiàn)在完成時(shí)態(tài))HehadvisitedAmerica過去完成時(shí)態(tài)) 利用時(shí)態(tài)精確定位相關(guān)TheiPadwillonlyrunprogramsapprovedbyAppleifnot 2.TheiPadrunsthesameoperatingsystemastheiPodTouchand .Itcanrunitsownapplicationsaswellasonesdevelopedfor .Withoutmodification,itwillonlyrunprogramsapprovedbyAppleanddistributedviaitsonlinestore. TheBilingualWhenKarlKimimmigratedtotheUnitedStatesfromKoreasateenager,hehadahardtimelearningEnglish.Nowhespeaksitfluently,andhehadauniqueopportunitytoseehowourbrainsadapttoasecondlanguage.Asagraduatestudent,KimworkedinthelabofJoyHirsch,aneuroscientistinNewYork. 1 Theyfoundevidencethatchildrenandadultsdon'tusethesamepartsofthebrainwhentheylearnasecondlanguage.TheresearchersusedaninstrumentcalledanMRI(magneticresonanceimaging)scannertostudythebrainsoftwogroupsofbilingualpeople. .Theotherconsistedofpeoplewho,likeKim,learnedtheirsecondlanguagelaterinlife.PeoplefrombothgroupswereplacedinsidetheMRIscanner.ThisallowedKimandHirschtoseewhichpartsofthebrainweregettingmorebloodandweremoreactive.Theyaskedpeoplefrombothgroupstothinkaboutwhattheyhaddonethedaybefore,firstinonelanguageandthentheother.Theycouldn'tspeakoutloudbecauseanymovementwoulddisruptthe KimandHirschlookedspecificallyattwolanguagecentersinthebrain-Broca'sarea~,whichisbelievedtocontrolspeechproduction,andWernicke'sarea,whichisthoughttoprocessmeaning.KimandHirschfoundthatbothgroupsofpeopleusedthesamepartofWernicke'sareanomatterwhatlanguagetheywerespeaking. PeoplewholearnedasecondlanguageaschildrenusedthesameregioninBroca'sareaforboththeirfirstandsecondlanguages.PeoplewholearnedasecondlanguagelaterinlifeusedadifferentpartofBroca'sareafortheirsecondlanguage.4Hirschbelievesthatwhenlanguageisfirstbeingprogrammedinyoungchildren,theirbrainsmaymixthesoundsandstructuresofalllanguagesinthesamearea.Oncethatprogrammingiscomplete,theprocessingofanewlanguagemustbetakenoverbyadifferentpartofthebrain. Asecondpossibilityissimplythatwemayacquirelanguagesdifferentlyaschildrenthanwedoasadults.Hirschthinksthatmothersteachababytospeakbyusingdifferentmethodsinvolvingtouch,sound,andsight. ButtheiruseofBroca'sareawasOnegroupconsistedofthosewhohadlearnedasecondlanguageasHowdoesHirschexplainthisWeusespecialpartsofthebrainforlanguageAndthatisverydifferentfromlearningalanguageinahighschoolorcollegeTheirworkledtoanimportantTheBilingualA.ButtheiruseofBroca'sareawas√B.OnegroupconsistedofthosewhohadlearnedasecondlanguageasC.HowdoesHirschexplainthisD.WeusespecialpartsofthebrainforlanguageE.AndthatisverydifferentfromlearningalanguageinahighschoolorcollegeTheBilingualTheresearchersusedaninstrumentcalledanMRI(magneticresonanceimaging)scannertostudythebrainsoftwogroupsofbilingualpeople. .Theotherconsistedofpeoplewho,likeKim,learnedtheirsecondlanguagelaterinlife.PeoplefrombothgroupswereplacedinsidetheMRIscanner.ThisallowedKimandHirschtoseewhichpartsofthebrainweregettingmorebloodandweremoreactive.Theyaskedpeoplefrombothgroupstothinkaboutwhattheyhaddonethedaybefore,firstinonelanguageandthentheother.Theycouldn'tspeakoutloudbecauseanymovementwoulddisruptthescanning. (one...theother)+語(yǔ)法銜TheBilingualButtheiruseofBroca'sareawasOnegroupconsistedofthosewhohadlearnedasecondlanguageasHowdoesHirschexplainthisWeusespecialpartsofthebrainforlanguageAndthatisverydifferentfromlearningalanguageinahighschoolorcollege√F.TheirworkledtoanimportantTheBilingualWhenKarlKimimmigratedtotheUnitedStatesfromKoreasateenager,hehadahardtimelearningEnglish.Nowhespeaksitfluently,andhehadauniqueopportunitytoseehowourbrainsadaptto
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