LI Ying . An Analysis of the Principle of Task Assignment in the Flipped Classroom of English Teaching[J]. Contemporary Foreign Languages Studies, 2017 , 17(01) : 79 -82 . DOI: 10.3969/j.issn.1674-8921.2017.01.014

Brumfit, C. 1984. Communicative Methodology in Language Teaching [M]. London: Cambridge University Press.
Caposey, J. & T. Whitaker. 2013. Teach Smart: 11 Learner-Centered Strategies That Ensure Student Success [M]. New York: Routledge.
Ellis, R. 2013. Task-based Language Learning and Teaching [M]. Shanghai: Shanghai Foreign Language Education Press.
Foster, P. & P. Skehan. 1994. The influence of planning on performance in task-based learning [P]. The British Association of Applied Linguistics, Leeds.
Gerry, C. & W. Kidd. 2013. Homework for Learning: 300 Practical Strategies [M]. Maidenhead: Open University Press.
Klein, W. 1986. Second Language Acquisition [M]. Cambridge: Cambridge University Press.
Krashen, S. 1981. Second Language Acquisition and Second Language Learning [M]. New York: Pergamon Press.
Krashen, S. 1985. The Input Hypothesis: Issues and Implication [M]. London & New York: Longman.
Long, M. 1985. A role for instruction in second language acquisition: task-based language teaching [A]. In K. Hyltenstam & M. Pienemann (eds.). Modelling and Assessing Second Language Acquisition [C]. Clevedon: Multilingual Matters.
Long, M. & G. Crookes. 1991. Three approaches to task-based syllabus design [J]. TESOL Quarterly 26(1):27-55.
Schmidt, R. 1994. Deconstructing consciousness: In search of useful definitions for Applied Linguistics [J]. AILA Review (11):11-26.
Skehan, P. 2011. Researching Tasks: Performance, Assessment and Pedagogy [M]. Shanghai: Shanghai Foreign Language Education Press.
Swain, M. 1985. Three functions of output in second language learning [A]. In G. Cook & B. Seidlehofer (eds.). Principle and Practice in Applied Linguistics [C]. Oxford: Oxford University Press. 245-256.
Willis, D. 1993. Syllabus, corpus, and data-driven learning [J]. IATEFL Annual Conference Report :25-31.