TakeAwayEnglish随身英语3May2012TakeAwayEnglish随身英语©BritishBroadcastingCorporation2012Page1of4bbcukchina.com/learningenglishBebrainy,bebilingual双语能增强大脑能力英语学习点:有关科学实验的词语Vocabulary:scientificexperimentLearningasecondlanguagecanboostbrainpower,scientistsbelieve.USresearchersfromNorthwesternUniversitysaybilingualismisaformofbraintraining-amental"workout"thatfine-tunesthemind.Speakingtwolanguagesaffectsthebrainandchangeshowthenervoussystemreactstosound,labtestsrevealed.Expertssaythework,putforwardforpeer-reviewinProceedingsoftheNationalAcademyofSciences,provides"biological"evidenceofthis.Inanattempttoprovethehypothesisthatspeakingtwolanguagesisgoodforone'smind,theteammonitoredhowthebrainsof48healthystudentvolunteersreactedtodifferentsounds.Twenty-threeofthesevolunteerswerebilingual.Thescientistsusedscalpelectrodestotracethepatternofbrainwaves.Underquiet,laboratoryconditions,thebilingualstudentsrespondedinasimilarwaytotheEnglish-only-speakingstudents,whoformedthecontrolgroup.Butthebilingualgroupwasfarsuperioratprocessingsoundsevenwhentherewerealotofpeopletalkingintheroom.Theywerebetterabletotuneintotheimportantinformation-thespeaker'svoice-andblockoutotherdistractingnoises.ProfNinaKraus,wholedtheresearch,said:"Thebilingual'senhancedexperiencewithsoundresultsinanauditorysystemthatishighlyefficient,flexibleandfocusedinitsautomaticsoundprocessing,especiallyinchallengingornovellisteningconditions."Co-authorVioricaMariansaid:"Peopledocrosswordpuzzlesandotheractivitiestokeeptheirmindssharp.Buttheadvantageswe'vediscoveredinduallanguagespeakerscomeautomatically,simplyfromknowingandusingtwolanguages.''Musiciansappeartogainasimilarbenefitwhenrehearsing,saytheresearchers.Accordingtosometheories,beingbilingualmighthelpwardoffdementia.词汇表请参看答案与词汇部分TakeAwayEnglish随身英语©BritishBroadcastingCorporation2012Page2of4bbcukchina.com/learningenglishQuiz测验阅读短文并回答问题。1.Ifyouarebilingual,howmanylanguagescanyouspeakfluently?2.Whattwogroupsof...
