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3Seedhouse P. The Interactional Architecture of the Language Classroom: A Conversation Analysis Perspective [M]. Massachusetts and London: Blackwell Publishing Inc., 2005.
4Coulthard, M.An Introduction to Discourse Analysis[M].Essex: Longman Group Limited, 1985.
5Seedhouse,P.The Interactional Architecture of the Language Classroom: A Conversation Analysis Perspective[M]. Massachusetts and London: Blackwell Publishing Inc.,2005.