中国英语学习者词汇知识广度与深度发展研究

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1、AcknowledgementsFirstandforemost,1wouldliketoshowmydeepestgratitudetomysupervisor,Prof．FanLinforhertimelyhelpandgreatencouragementforthisthesis，andmoreimportantlyforherinsightfulandinspiringsuggestionsforrevisingthethesisduringeachstageofitscompletion．Beingaresponsible，knowledgeable，and

2、respectablescholar,shehasprovidedmewithvaluableguidanceineverystageofthewritingofthisthesis．Withoutherenlighteninginstruction，impressivekindnessandpatience，Icouldnothavecompletedmythesis．Herkeenandvigorousacademicobservationenlightensmenotonlyinthisthesisbutalsoinmyfuturestudy．Secondly,

3、Ishallextendmythankstoallmyteacherswhohavehelpedmetodevelopthefundamentalandessentialacademiccompetence．MysincereappreciationalsogoestoMr．ZhuShuyan,whohelpedmealotwitllthestatisticalanalysis；ProfessorFuYoulong，andMr．ZhuBo，whoassistedmeconductthewriting，vocabularylevelstestandwordassocia

4、testestduringclasshouraswellasthestudentswhotookthetests，withoutwhosehelpandcooperation,thisstudywouldhavebeendifficult,ifimpossible．Myheartfeltthanksandappreciationgotomyfamily．Withouttheirlove，understanding,andsupport,thethesiscouldneverhavereacheditspresentform。Theirloveformehaslight

5、enedmywayforward．Lastbutnotleast,I'dliketothankallmyfriends，especiallymyroommates，fortheirencouragementandsupport．AStudyOntheDevelopmentofBreadthandDepthofVocabularyKnowledgeamongChineseEFLLearnersChapterOneIntroductionl。1Research0rientation．Itisnodenyingthatvocabularyisofcriticalimport

6、ancetobothfirstlanguage(L1)acquisitionandsecondlanguage(L2)learning．Itisregardedas“anessentialbuildingblockoflanguage'’(Schmitt,Schmitt&C1apharn，200i)，andvocabularyacquisitionisoneofthemoreintriguingpuzzlesinsecondlmaguageacquisition(SLA)。Aconsiderableamountofresearchhasbeenconducteddur

7、ingthepastfewdecadesinvestigatingvocabularyacquisitionfromtheaspectofvocabularyknowledge。Studiesonvocabularyknowledgedevelopindifferentdirections。Somefocusonmeasurementofreceptivevocabularysize，someondepthofvocabularyknowledge，andstillsomeonproductivevocabularyknowledge。However