3Arnold, J. 1999. Affect in Language Learning [ M ]. Cambridge: Cambridge University Press.
4Ehrman, M. & Z. Dornyei. 1998. Interpersonal Dynamics in Second Language Education : The Visible and Invisible Classroom [M]. Thousand Oaks, CA: Sage.
5Feez, S. 1998. Text-based Syllabus Design [M]. Sydney: N-tional Center for English Teaching and Research.
6Lemke, J. L. 1985. Using Language in the Classroom [M].Geelong, Australia: Deakin University Press.
7Long , M. & G. Crookes. 1991. Three approaches to task-based syllabus design [J]. TESOL Quarterly 26: 27-55.
8Naiman, N. &H. H. Stern. 1978. TheG, ood Language Learner [ M ]. Toronto: Ontario Institute for Studies in Education.
9Pica T., R. Kanagy & J. Falodun. 1993. Choosing and using communicative tasks for second language instruction [A]. In G. Crookes & S. Gass (eds.). Tasks and LanguageLearning: Integrating Theory and Practice [C]. Clevedon:Multilingual Matters.
10Plough, I. & S. Gass. 1993. Interlocutor and task familiarity:Effect on interactional structure [A]. In G. Crookes & S.Gass (eds.). Tasks and Language Learning: Integrating Theory and Practice [C]. Clevedun: Multilingual Matters.