7Kaplan,R.B.Cultural Thought Patterns[J].Intercultural Education Language Learning Journal,1966(16).
8Krashen,S.Second Language Acquisition and Second Language Learning[M].Oxford:Pergamon Press,1981.
9Stern,H.H.Fundamental Concepts of Language Teaching[M].Cambridge:CUP,1983.
10Swain,H.Three Functions of Output in Second Language Learning[A].In Cook,G.& Seidhofer,B.(eds.).Principles and Practice in Applied Linguistics[C].Oxford:Pergamon Press,2008.