3Long H. The role of the linguistic environment in second language acquisition [M]. Ritchie M, Bhatia T. Handbook of Second Language Acquisition. San Diego: Academic Press, 1996: 121.
6Lyster R. Negotiation of form recasts, and explicit correction in relation to error types and learner repair in immersion classroom [J]. Language Learning, 1998: 48.
7Lyster R, Ranta L. Corrective feedback and learner uptake: Ne- gotiation of form in communicative classrooms [J]. Studies in Sec- ond Language Acquisition, 1997: 19.
8Lyster R. Form-focused instruction in immersion classroom [J]. Journal of French Language Studies, 2004, (14): 22-24.
5[1]Allwright D, Bailey K. Focus on the Language Classroom: An Introduction to Classroom Research for Language Teachers [M]. Cambridge: Cambridge University Press, 1991.
6[2]Allwright R. Classroom-centered Research on Language Teaching and Learning [A]. Brief Historical Overview [J]. TESOL Quarterly,1983, (17) : 191-204.
7[3]Tsui A B M. Classroom Interaction [A]. R Carter,D Nunan. The Cambridge Guide to Teaching English to Speakers of Other Languages [C]. Cambridge:Cambridge University Press, 2001.
8[4]Ellis R. The Classroom Context: An Acquisition-rich or an Acquisition-poor Environment [A]. C Kramsch, S McConnell-Ginet. Text and Context:Cross-Disciplinary Perspectives on Language Study [C]. D.C. Heath and Company,1992.
9[5]Long M H. Native Speaker/Non-native Speaker Conversation in the Second Language Classroom [A]. M A Clark,J Handscombes. On TESOL' 82:Pacific Perspectives on Language Learning and Teaching [C]. Washington, D C: TESOL, 1983.
10[6]Long M H. The Role of the Linguistic Environment in Second Language Acquisition [A]. W Ritchie, T Bhatia. Handbook of Second Language Acquisition [C]. San Diego: Academic Press, 1996.