7Allwright, R. 1984. The importance of interaction in classroom language learning [ J ]. Applied Linguistics 5.
8Allwright, D. & K. M. Bailey. 1991. Focus on the Language Classroom [M]. Cambridge: Cambridge University Press.
9Antón, M. 1999. The discourse of a learner-centered classroom: Sociocultural perspectives on teacherlearner interaction in the second-language classroom [J]. The Modern Language Journal 83, iii.
10Brock, C. 1986. The effect of referential questions on ESL classroom discourse [ J ]. TESOL Quarterly20/1.
6Brock, C. 1986. The effects of referential questions on ESL classroom discourse [J]. TOSEL Quarterly, 20(1): 47-59.
7Gass, M. & Mackey, A. 2011. Data Elicitation for Second and Foreign Language Research [M]. Beijing: Foreign Language Teaching and Research Press.
8Hiebert, J. & Weame, D. classroom discourse, 1993. Instructional tasks, and students learning in second-grade arithmetic [J]. American Educational Research Journal, 30, (2): 393-425.
9Long, M. H. & Sato, C. J. 1983. Classroom foreign talk 'discourse: Forms and functions of teachers' question [A]. In Seliger, H. W. & Long, M. H. (Eds.). Classroom Oriented Research in Second Language Acquisition [C]. New York: Newsbury House.
10Lynch T. 1991. Questioning role in the classroom [J]. ELTJournal, 45, (3): 201-210.