1Krashen,S.P.We acquire vocabulary and spelling by reading:Additional evidence for the Input Hypothesis[J].The Modern Language Journal,1989.
2Nagy,W.E.,Herman,P.A.&Anderson,R.C.Learning words from context[J].Reading Research Quarterly,1987,(2):234-253.
3Nagy,W.E.,Anderson,R.C.& Herman,P.A.Learning word meaning from context during normal reading[J].American Educational Research Journal,1987.
4Nation,P.& Waring,R.Vocabulary size,text coverage and word lists[A].In N.Schmitt& M.McCarthy (eds.) Vocabulary[C].Cambridge:Cambridge University Press,1997.
