1Edward T.Hall.1959.The Silent Language[M].New York:Doubleday and Co.,Inc.
2Hymes,D.1973.On communication competence.In:J.B.Pride & J.Homes.(Eds.),Sociolingusitics[M].Harmondsworth:Penguin.
3Johnson,K.And Morrow,K.(eds).1981.Communication in the Classroom[M].London:Longman.
4Littlewood,W.1981.Communicative language teaching:An introduction[M].Cambridge:Cambridge University Press.
5Swain,M.1985.Communicative competence:some roles of comprehensible input and comprehensible output in its development.In Gass and Madden (eds).Input in Second language Acquisition[M].Rowley,Mass:Newbury House.
3[1]Anderson,J.The Architecture of Cognition.Mass:Harvard University Press,1983.
4[2]Bialystok,E.A theoretical model of second language learning.Language learning,1978,(28):69-84.
5[3]Krashen,S.Principles and Practice in Second Language Acquisition.Oxford:Pergamon,1982.
6[4]Krashen,S.& T.Terrell.The Natural Approach:Language Acquisition in the Classroom.Oxford:Pergamon,1983.
7[5]Long,M.Native speaker/non-native speaker conversation & the negotiation of comprehensible input.Applied Linguistics,1983,4(2):126 -41.
8[6]Palmer,H.E.The principles of language study.London:Harram,1921.
9[7]Pienemann,M.Psychological constraints on the teachability of languages.Studies in Second Language Acquisition,1984,(6):186 -214.
10[8]Swain,M.Communicative competence:some roles of comprehensible input and comprehensible output in its development.In Gass and Madden (eds).Input in Second language Acquisition.Rowley.Mass:Newbury House,1985.