2Hutchinson T,Waters A.English for Specific Purpose:a learning-centered approach[M].Cambridge:Cambridge University Press,1987.
3Kramsch C.Culture in Language Learning:A View from the United States[M].In de Bot,K.,Cingsberg,R.B.& Kramsch,C.(Eds.).Foreign Language Research in Cross-Cultural Perspective:Amsterdam:Benjamins,1991.
4Hanvey R G.Cross -cultural Awareness.In Smith,E.C.and L.F.Luce.(Eds.),Toward Internationalism:Readings in Cross-cultural Communication[M].Rowley,MA:Newbury House Publishers,1994.
5Halliday M.A.K,McIntosh & P.Stevens.The Linguishtic Sciences and Language Teaching[M].Harlow,Longrnan,1964.
6Hutchinson,T&Waters.A English for Specific Purposes:a learning-centered approach[M].Cambridge:CUP,1987.
