2Krashen S. The Input Hypothesis : Issues and Implications [M]. London. Longman, 1985.
3Swain M. Communicative Competence: Some Roles of Comprehensible Input and Comprehensible Output in Its Development [A]. S Gass, C Madden (eds.). Input in Second Language Acquisition [C]. Rowley, Mass. : Newbury House, 1985.
4Ellis R. Understanding Second Language Acquisition [M]. Oxford: Oxford University Press, 1985.
5Tudor I. The Dynamics of the Language Classroom [M]. Cambridge: Cambridge University Press, 2001.
6Harmer J. The Practice of English Language Teaching [M]. Harlow:Longman, 1991.
7Karavas-Dukas E. An Investigation into Teachers' Perceptions of Their Roles in the Classroom [M]. (Unpublished research). Coventry: University of Warwick, 1995.
8Williams M, R L Burden. Psychology for Language Teachers [M]. Cambridge: Cambridge University Press, 1997.
9Cohen A D. Strategies in Learning and Using a Second Language [ M]. Addison Wesley Longman Limited, 1998.
10Richards J C, C Lockhart. Reflective Teaching in Second Language Classroom [M]. Cambridge: Cambridge University Press, 1996.
