1Bialystok, E. A Theoretical Model of Second Language Learning. Language Learning. New York: Academic Press, 1978.28.
2Catherine Twomey Fosnot. Constructivism : Theory, Perspectives, and Practice [M]. Teachers College Press, 1996.
3Crookes, G. and R. Schmidt. Motivation: Reopening the Research Agenda[J]. University of Hawaii Working Papers in ESL, 1989(8).
4H. G. Widdowson. Teaching Language as Communication[M]. Oxford: Oxford University Press, 1996.
5Rod Ellis. Second Language Acquisition [M]. Oxford: Oxford University Press, 1997.
6Jane Arnold. Affect in Language Learning [M]. Cambridge University Press, 1999.
7Jack C. Richards Theodore S . Rodgers Approaches and Methods in Language Teaching[M]. Cambridge University Press, 1986.
8Montgomery, C. and M. Eisenstein. Real reality revisited: an experimental communicative course in ESL [J]. TESOL Quarterly, 1985.19.
9Peter Skehan. A Cognitive Approach to Language Learning[ M ]. Oxford:Oxford University Press, 1998.
10Spada, N. Relationships between Types of Content and Type of Instruction: Some Effects on the L2 Proficiency of Adult Learners[J]. Studies in Second Language Acquistion , 1987(8).