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Unabridgeddictionariescontainasmanyas500,000entr iesandprovidedetaileddefinitionsandextensivewordhistories(etymologies).Thesedictionaries,possiblyinseveralvolumesandmostlyfoundinlibraries,areexcellentsourcesforscholarlyinquiries.UnabridgeddictionariesincludetheOxfordEnglishDictionaryandtheRandomHouseDictionaryoftheEnglishLanguage.
A.Varietiesofcollegedictionaries
B.Accessingdictionarieselectr onically
C.Elementsunderaworditem
D.Completeeditionsofdictionaries
E.Usingdictionariesforparticularfields
F.Featuresofcollegedictionaries
正确答案：D
