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1、模拟试题六PARTVREADINGCOMPREHENSIONInthissectionthereareseveralreadingpassagesfollowedbytwentyquestionsorunfinishedstatements,eachwithfoursuggestedanswersmarked[A]、[B]、[C]and[D].Choosetheonethatyouthinkisthecorrectanswer.MarkyouranswersonyourANSWERSHEET. 题 82 - 85Learningisanessentialprocessforlivingth
2、ingstoacquiringnecessaryskillsandbehaviours.Scientistshavealreadyfoundthatthereisacriticalperiodforlearninginmanandanimals.Oncetherighttimeforlearningaskilloracertainbehaviourhaspassed,thisskillorbehaviourcanneverbeproperlylearne[D].ThorpeofCambridgeUniversityfoundthatthechaffinchhastolearnmostofi
3、tssongs,andthatthislearninghastooccurduringtheearlyweeksofthebird'slifeandalsoduringthefirstspring.Ifthebirdishandrearedandisolatedfromotherbirdsfromthetimeofhatching,itsingsonlyverysimplesongsanditneverlearnsthesongofitsspeciescorrectly.Thatwespeakourownlanguageperfectlyandthelanguageswelearnlate
4、rimperfectlyalsodependsonlearningthisskillattherighttime.Thebraindevelopsinsuchawaythatitisreadytolearntospeakbetweentheagesofabouttenmonthsandtenyears.Languageslearnedlaterarenotspokenperfectly.Theabilitytospeakalanguageisamixedmotorandsensoryskill.Itisnecessarytohearallthesounds,thesubtlediffere
5、ncesbetweensimilarbutnotidenticalsounds,therhythmandliltofthelanguage.Onehasalsotoworktongue,throat,andlips,tocontrolbreathing.Allthishastobemanagedatoneandthesametime.Fromsometimeafterbirthuntiltheageofsixorseven,normalchildrencanlearnallthisperfectly,andwithoutmuchdifficultytheycanlearntwooreven
6、threelanguagesatthesametime,withoutmuddlingthemup.Butlater,mostofuscannotacquirethisskill.Wemaylearntowriteand20currencydeposit,weprescribeapassonaregularbasis,qilucardaccountonaregularbasis),certificatebondsandsavingsbonds(electronic);3.notdrawnonabanksavingscertificate,certificatebondsapplyformo
7、rtgageloans,acceptingonlythelenderreadthenewlanguageperfectly;buttoacquiretherightinflexionandtheaccentandtheabilitytospeaksothatnoonecandetectthatthelanguageisnotourmother-tonguehardlyeveroccurs.Butthoseofuswhos
