5MORLEY D, CHEN KUAN-HSING. Stuart hall: Critical dialogues in cultural studies[M]. London: Routledge, 1996.
6HYMES D. Models of the interaction of language and social life [C].//GUMPERZ J, HYMES D. Direcitons in sociolinguistics: The ethnography of communication. New York: Holt, Rhinehart & Winston, 1972: 277.
7SMITH L E. Readings in English as an international language[M] .Oxford:Pergamon Press, 1983:5.
8MORROW K. Communication in the classroom[ M]. London: Longnama Group Ltd, 1981:5.
9JOHNSON K E. Understanding communication in second language classrooms [ M ]. Cambridge: Cambridge University Press, 1995.
10STERN H H. Fundamental concepts of language teaching[ M].上海:上海外语教育出版社,2002:506.