6Buckwalter,P.Repair Sequences in Spanish L2 Dyadic Discourse:A Descriptive study[J].The Modern Language Journal,2001 (85).
7Dornyei,Z.& Kormos,J.Problem-solving Mechanism and Communication:A Psycholinguistie Perspective[J].Studies in Second Language Acquisition,1998(21).
8Leveh,W.J.M.Speaking:From Intention to Articulation[M].Cambridge,MA:MIT Press,1989.
9Lyster,R.Negotiation of form,Recasts and Explicit Correction in Relation to Error Types and Learner Repair in Immersion Classrooms[J].Language Learning,1998 (48).
10McHoul,A.The Organization of Repair in Classroom Talk[J].Language in Society,1990(19).