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1、www.wendu.com韩苏：2014考研英语阅读每日一篇(6)2014考研我们来了，改变，无论是未来，或是命运，都是从现在的坚持开始，除了激情，耐力和体力，也必不可缺，当然转发的和下载做题的，呵呵，都是强人…呵呵。点击，开始你的阅读吧！2014考研，我们通行。 Unit2学习能力 Text2正文Islanguage,likefood,abasichumanneedwithoutwhichachildatacriticalperiodoflifecanbestarvedanddamaged?Judgingfromthed
2、rasticexperimentofFrederickIIinthethirteenthcentury,itmaybe.Hopingtodiscoverwhatlanguageachildwouldspeakifheheardnomothertongue,hetoldthenursestokeepsilent.Alltheinfantsdiedbeforethefirstyear.Butclearlytherewasmorethanlackoflanguagehere.Whatwasmissingwasgoodmotheri
3、ng.Withoutgoodmothering,inthefirstyearoflifeespecially,thecapacitytosurviveisseriouslyaffected.TodaynosuchseverelackexistsasthatorderedbyFrederick.Nevertheless,somechildrenarestillbackwardinspeaking.Mostoftenthereasonforthisisthatthemotherisinsensitivetothesignalso
4、ftheinfant,whosebrainisprogrammedtolearnlanguagerapidly.Ifthesesensitiveperiodsareneglected,theidealtimeforacquiringskillspassesandtheymightneverbelearnedsoeasilyagain.Abirdlearnstosingandtoflyrapidlyattherighttime,buttheprocessisslowandhardoncethecriticalstagehasp
5、assed.Expertssuggestthatspeechstagesarereachedinafixedsequenceandataconstantage,buttherearecaseswherespeechhasstartedlateinachildwhoeventuallyturnsouttobeofhighIQ.Attwelveweeksababysmilesandmakesvowel-likesounds;attwelvemonthshecanwww.wendu.comspeaksimplewordsandun
6、derstandsimplecommands;ateighteenmonthshehasavocabularyofthreetofiftywords.Atthreeheknowsabout1,000wordswhichhecanputintosentences,andatfourhislanguagediffersfromthatofhisparentsinstyleratherthangrammar.Recentevidencesuggeststhataninfantisbornwiththecapacitytospeak
7、.Whatisspecialaboutman’sbrain,comparedwiththatofthemonkey,isthecomplexsystemwhichenablesachildtoconnectthesightandfeelof,say,atoy-bearwiththesoundpattern“toy-bear.”Andevenmoreincredibleistheyoungbrain’sabilitytopickoutanorderinlanguagefromthemixtureofsoundaroundhim
8、,toanalyze,tocombineandrecombinethepartsofalanguageinnewways.Butspeechhastobeinduced,andthisdependsoninteractionbetweenthemotherandthechild,where
