题目内容：
"I'mnot100%convincedthatmemorizingthedictionaryisthebestwayofimprovingyourvocabulary．"saysthecharacterplayedbyHughGrantinWoodyAllen'sfilmSmallTimeCrooks．Yetwhynot?Ifyoucouldmemorizethedictionary--oreventhe5,000mostcommonwordsinthatdictionary--wouldn'tthatgiveyouahugeadvantage?(51)Researchersestimatethatacorevocabularyofbetween2,000and3,600high-frequencywordsisprobablyenoughtopushlearnersovertheintermediateplateau(停滞阶段)．Sowhydon'tweinsistonthemmemorizingthesewords,fromdayone,andasquicklyaspossible? (52)Asanexample,aNewZealandfriendofminewhostudiednaori(毛利语)askedmerecentlywhatI,asalanguageteacher,wouldmakeofhisteacher'smethod:"Wejustdomassesofwordsaroundatheme,forexample,familyorfood．Wehavetolearnthesewordsbeforethenextlesson,thenwecomebackandhaveaconversationaboutfamilyorfoodetc,usingthesewords．Theteacherfeedsinthegrammarthatweneedtostickthewordstogether．"Headdedthathethoughtthemethodworkedatreat．
Nevertheless,(53)formostteachersandlearnersthesheerspadeworkinvolvedinmemorizinglistsofwordsdoesn'tmakeforveryexcitingteaching．Moreimportantly,knowingawordinvolvesmuchmorethansimplyhavingmemorizedit．Isitreadilyaccessible?Isittherewhenyouneedtosayit?AsHotspursays(inresponsetoGlendower'sboastthathe"cancallspiritsfromthevastydeep"),"Why,socanI,orsocananyman;butwilltheycomeWhenyoudocallforthem?"
(54)Memorizationofwordswithoutfrequentopportunitiestoaccessthemisprobablytimemisspent．
Yetmemoryisimportant--perhapsthemostimportanttaskfacingthelearner．(55)Andthereforeknowinghowmemoryworks,andhowtomakeitworktothelearner'sadvantage,isamajorresponsibilityforteachers．Sohowdoesmemorywork,andwhatimplicationsmighttheseworkingshaveontheteachingofvocabulary?
第（51）题答案
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