5Gass,S.Integrating Research Areas:A Framework for Second Language Studies[J].Applied Linguistics,1988(9).
6Krashen,S.P.Second Language Acquisition & Second Language Learning[M].Oxford:Pergamon Press,1981.
7Krashen,S.P.Principles and Practice in Second Language Acquisition[M].Oxford:Pergamon Press,1981.
8Pica.T,Young,R.& Doughty,C.The Impact of Interaction on Comprehension[J].TESOL Quarterly,1987(21).
9Swain,M.Communicative Competence:Some Roles of Comprehensible Input and Comprehensible Output in Its Development[A].S.Gass & C.Madden.Input in Second Language Acquisition[C].Rowley,MA:Newbury House,1985.
2Alison Wray. Formulaic Language and the Lexicon [M]. Cambridge: Cambridge University Press, 2002.
3Fernando. C. Idioms and Idiomaticity[M]. Shanghai: Shanghai Foreign Language Education Press and Oxford University Press, 1996.
4Hakuta, K. Prefabricated patterns and the emergence of structure in second language acquisition [J]. Language Learning, 1974(2): 287-297.
5Halliday , M. A. K. An Introduction of Functional Grammar [M]. London : Edward Arnold, 1994.
6Nattinger, J. R. & DeCarrieo, J. S. Lexieal Phrases and Language Teaehing[M]. Shanghai: Shanghai Foreign Language Education Press and Oxford University Press, 2000.
7Wong-Fillmore, Lily. The Second Time Around: Cognitive and Social Strategies in Second Language Acquisition[D]. Stanford University, 1976.
