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1、TheUseofPEDinEnglishLearning [Keyentofelectronicshasgivenbirthtoavarietyofpalm-topelectronicdictionaries(PEDforshort)ongEnglishlearners.PED,ultiplefunctions,hasbroughtgreatconvenienceandexertednoticeableinfluenceonEnglishlearning.HoproperuseofPEDalsoproducesne
2、gativeeffects.BeginninginesitscurrentuseamongEnglishlearnersandmainlyprobesintohoitationsanddraentoftheelectronicdictionaryhasbeeincreasinglynoticeableinChina.Differenttypesofelectronicdictionaries,suchasthepactdiscdictionary,theonlinedictionary,the-topelectron
3、icdictionary(PEDforshort)pourintomarketoneafteranother.Asaproductofmoderneducationaltechnology,PEDhasgainedgroorestudentsusePED,andsomestudentshaveetocherishitasanindispensabletoolforEnglishlearning.TheongEnglishlearnersandthenmainlydiscusseshoberofentriesitcon
4、tains,PEDcanbeclassifiedintothreetypes,thatis,thebig,themediumandthesmallone. ThebigPEDusuallycoversavocabularyofover300,000.oreover,PEDprovideslotsofauxiliaryfunctions.ManyPEDshavedousethemselvesbylisteningtomusicorplayinggamesup,therearesuperioradvantagesofP
5、EDation,convenience,efficiencyasent. 2.3.2ThedisadvantagesofPED ThoughPEDprovidesgreatconveniencetoEnglishlearners,itsnegativeeffectshavealsobeemoreandmorevisible.MostPEDmakersarenotprofessionalsbutputertechniciansedictionariesdeclarethattheycoverhundredsofth
6、ousandsofvocabularies,butactuallytheyarethetotalsumoftheseveralpaperdictionariesthatthePEDcontains.Manysoverlap.Besides,thevocabularyinformationsomePEDsprovideistoolimited.Forexample,somePEDsonlygivebriefexplanationofeaningples;sometimessensesforheadore,therear
7、etoomanyfunctionsunrelatedtolanguagelearningayhinderratherthanhelp.Inaddition,becauseofthesmallscreen,PEDcanonlyshoationonetime.Tofindthenecessaryinformation,usershavetodoes.Consequently,itmaybeaetousePED,especiallyicportantly,frequentuseofPEDmaybreedover-depen
8、denceondictionary.StudentstendtooverusePEDs,thereforetheyployingotherstrategiesofvocabularylearninglikecontextualguessing.Inbrief,PEDhasitslimitationsanddraightexertnegative
