2Breen MP. Learner Contributions to Task Design[A]. C. N. Candlin, D Murphy. Language Learning Tasks[C]. London: Prentice-Hall International, 1987, P23-46.
3Krahnke K. Approaches to Syllabus Design for Foreign Language Teaching [M].Englewood, NJ:Prentice-Hall, Inc, 1987, P70.
4Kumaravadivelu K. The Name of the Task and the Task of Naming: Methodological Aspects of Task-based Pedagogy[A].G Crookes, SM. Gass. Tasks in a Pedagogical Context: Integrating Theory and Practice[C].Frankfurt Lodge: Multilin -gual Matters, 1993, P69-96.
5Nunan D. Second Language Teaching and Learning[M].Beijing: Foreign Language Teaching and Research Press, 2001, P51.
