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视听说教程3UNIT2.doc

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Unit2 Lesson1 Audiostudio Whenitcomestointelligence,therehasalwaysbeenonefundamentalquestion:Isintelligenceafunctionofnature?Isitsimplyencodedinachild’sgenes?Orisitafunctionofnurture?Isitmoreabouttheenvironmentthatachildgrowsupin? Ontheonehand,ifwetaketwopeopleatrandomfromthecrowd,itisverylikelythattheirdegreesofintelligencewillbecompletelydifferent.However,ifwetaketwoidenticaltwins,chancesarethattheywillbeasintelligentaseachother.Therefore,aconclusioncanbedrawnthatintelligenceistosomeextentsomethingwearebornwith.Ontheotherhand,though,ifweputidenticaltwinsindifferentenvironments,wewouldfinddifferencesintheirintelligenceseveralyearslater,whichindicatesthatenvironmentdoesplayacrucialroleinpeople’sintelligence. Recently,datahasclearlyindicatedthatnurtureisindeedmorethan50%oftheequation.Thatisgoodnewsforeducators,butevenbetternewsforsocietyasawhole. Fortunately,PresidentObamahascomeoutinstrongsupportofearlychildhoodeducation,particularlyforthosechildrenmostatriskofschoolfailure.Investinginqualitypre-schoolopportunitiesclearlyhelpsgivechildrenfrompoverty-strickenareasthechanceatastrongerstartinschoolandinlife. Ifweareseriousabouthelpingourchildrensucceedinschool,ifwearetrulyinterestedin“LeavingNoChildBehind,”wewilltakeahardlookatthiscompellingdataandbegininvestinggreatersumsattheearlychildhoodlevel. Videostudio Einstein’sdestinyasagreatphysicistwasnotobvious.Asachild,hispassionwasmusic,notphysics. “Ioftenthinkinmusic.Ilivemydaydreamsinmusic.IfIwerenotaphysicist,Iwouldprobablybeamusician.” ButEinstein’slifechangedwhenhewasgivenabookongeometry.Theuniversecouldbe tamedthroughnumbers.Hislife’sworkwouldbetocontrolthemusicoftheuniverse. Duringhislife,Einsteinchangedourconceptofspaceandtimeforever.Heharnessedenergy,massandthespeedoflightinthemostfamousequationalltime—EequalsMCsquared. WhatmadeEinstein’sbrainsoexceptional?Dr.JimAl-Khalili,likeEinstein,isaphysicistandisobsessedbytheworkofhishero.BrainspecialistMarkLythgoehuntsforsecretsofcreativityinsidethehumanmind. “MynameisDr