6Allwright D,Bailey K M.Focus on the Language Classroom[M].Cambridge:Cambridge University Press,1991.143 ~ 145.
Allwright D,Bailey K M.Focus on the Language Classroom[M].Cambridge:Cambridge University Press,1991.143 ~ 145.
7Rivers,Wilga M.Interactive Language Teaching[M].Beijing:Foreign Language Teaching and Research Press.1987,4 ~ 5.
8Ellids,Rod.Understanding Second Language Acquisition[M].Shanghai:Shanghai Foreign Language Education Press.2000.349 ~ 351.