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1、大学英语四级真题2009年12月PartⅠWriting1．建设绿色校园很重要2．绿色校园不仅指绿色的环境……3．为了建设绿色校园，我们应该……PartⅣReadingComprehension(ReadinginDepth)SectionAInfamilieswithtwoworkingparents,fathersmayhavemoreimpactonachild'slanguagedevelopmentthanmothers,anewstudysuggests.Researchers(47)92f
2、amiliesfrom11childcarecentersbeforetheirchildrenwereayearold,interviewingeachtoestablishincome,levelofeducationandchildcarearrangements.Overall,itwasagroupofwell-educatedmiddle-classfamilies,withmarriedparentsbothlivinginthehome.Whenthechildrenwere2,rese
3、archersvideotapedthemathomeinfree-playsessionswithbothparents,(48)alloftheirspeech.ThestudywillappearintheNovemberissueofTheJournalofAppliedDevelopmentalPsychology.Thescientistsmeasuredthe(49)numberofutterances(话语)oftheparents,thenumberofdifferentwordsth
4、eyused,thecomplexityoftheirsentencesandother(50)oftheirspeech.Onaverage,fathersspokelessthanmothersdid,buttheydidnotdifferinthelengthofutterancesorproportionofquestionsasked.Finally,theresearchers(51)thechildren'sspeechatage3,usingastandardizedlanguagete
5、st.Theonlypredictorsofhighscoresonthetestwerethemother'slevelofeducation,the(52)ofchildcareandthenumberofdifferentwordsthefatherused.Theresearchersare(53)whythefather'sspeech,andnotthemother's,hadaneffect."It'swell(54)thatthemother'slanguagedoeshaveanimp
6、act,"saidNadyaPancsofar,theleadauthorofthestudy.Itcouldbethatthehigh-functioningmothersinthestudyhad(55)hadastronginfluenceontheirchildren'sspeechdevelopment,Ms.Pancsofarsaid,"oritmaybethatmothersare(56)inawaywedidn'tmeasureinthestudy."A)alreadyB)analyze
7、dC)aspectsD)charactersE)contributingF)describingG)establishedH)qualityI)quotedJ)recordingK)recruitedL)totalM)unconsciousN)unsure0)yetSectionBThroughoutthislong,tenseelection,everyonehasfocusedonthepresidentialcandidatesandhowthey'llchangeAmerica.Rightlys
8、o.Butselfishly,I'mmorefascinatedbyMichelleObamaandwhatshemightbeabletodo,notjustforthiscountry,butformeasanAfrican-Americanwoman.AsthepotentialFirstLady,shewouldhavetheworld'sattention.Andthatmeansthatforthefirsttimepeople
