6Arnold, J. 1999. Affect in Language Learning [ M ]. Cambridge: Cambridge University Press.
7Ehrman, M. & Z. Dornyei. 1998. Interpersonal Dynamics in Second Language Education : The Visible and Invisible Classroom [M]. Thousand Oaks, CA: Sage.
8Feez, S. 1998. Text-based Syllabus Design [M]. Sydney: N-tional Center for English Teaching and Research.
9Lemke, J. L. 1985. Using Language in the Classroom [M].Geelong, Australia: Deakin University Press.
10Long , M. & G. Crookes. 1991. Three approaches to task-based syllabus design [J]. TESOL Quarterly 26: 27-55.
