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简介：IntroductionVocabularyisoneoftheindispensablecomponentsofthelanguagesystem,andresearchershavefoundthatthereexistsacloserelationshipbetweenvocabularyandothercomponentsinalanguagesystem.However,vocabularyisthoughttobethemostdifficultcomponentoflanguageknowledgeforalearnertograsp.Gorman(1979)pointedoutthattherewasevidenceshowingthatasstudentsbecomemoreproficientinasecondlanguage,problemscausedspecificallybysyntacticalvariationbecomelesssignificant(citedinCrowandQuigley,1985:499).Thatistosay,vocabularybecomesamajorprobleminthe

简介：TheonethingthatmostinterfereswithEnglishasaSecondLanguagelearner’sreadingisunknownvocabulary.Thisreferstoanywordwhichblocksthereaders’understandingintheirprocessofreading.Whenreading,onewillinevitablymeetunknownvocabularynomatterhowlargeone’smentallexiconis.Oftenthedensityofunfamiliarwordsinreadingmakesthereaderfeelgreatlyfrustratedandgiveupintheend,forhehasalreadylosthistrainofthoughtwhenlookingupwordsinthedictionary.Itisclearthattoogreatadensityofunknownlexicalitemsslowsdownthereadingspeedwhichleadstopoorcomprehensionofthetext.Ofcourse,one’sknowledgeofEnglishvocabularyisboundtobelimited;butisthereawayonecanefficientlycopewiththeunknownwordsonecomesacrossinreadingwithouthavingtostopandlookthemupinthedictionary.

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简介：Guidingcollegestudentstoacquireanadequatevocabularyisanimportanttaskthatisoftenneglected.Themorevocabularyhatismastered,thehigherlevelalearnerofEnglishwillhave.ButinChina,thetraditionalmethodofteachingvocabularyislearningbyrote,andlearnersofforeignlanguagesareinclinedtolearnasmuchvocabularyaspossiblethiswayregardlessofwhetherthesevocabularyisusefulornot.Indeed,therearesomedisadvantageousfactorshinderingthestudentsfromexpandingvocabularyrapidlyandefficiently.Wehavetodevelopascientificmethodofteachingvocabularyexploringmethodsofwhichisthekeytothisarticle.

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简介：Directions:Thereare15incompletesentencesinthispart.ForeachsentencetherearefourchoicesmarkedA,B,CandD.ChoosetheONEanswerthatbestcompletesthesentence.1.Healwaysdoessomethingthatcan__thesufferingsofothers.A.releaseB.relieveC.retainD.replace

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简介：heady（adj）【hεdj】兴奋的；陶醉的

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