1Allwright, D. & Bailey, M. 1991. Focus on Language Classroom: An Introduction to Classroom Re- search for Language Teachers [M]. Cambridge: Cambridge UniversiW Press.
2Sato, C. 1981. Ethnic styles in classroom discourse [A]. In M. Hines and W. Lutherford (Eds.), On TESOL '80 [C]. Washington D.C. 11-24.
3Allwright D & M Bailey. Focus on the Language Classroom: An Introduction to Classroom Reasearch for Language Teachers[M]. CUP, 1991. 119-137.
4Day R R. Student participation in the ESL classroom or some imperfections in practice[J]. Language Learning, 1984,(34) :69 - 101.
5Ellis R. The Study of Second Language Acquisition[M]. New York: Oxford University Press, 1994, 549 -595.
6Ely C. An analysis of discomfort risktaking, sociability, and motivation in L2 classroom [ J ]. Language Learning, 1986, (36) : 1 - 25.
7Eysenck S & J Chan. A comparative study of personality in adults and children: Hong Kong vs. England [J].Personality and Individual Difference, 1982, ( 3 ) : 153 - 60.
8Krashen S. Some issues relating to the Monitor Model [A]. In H Brown et al. (eds.). On TESOL' 77[C].Washington D. C. : TESOL, 1977. 144 -58.
9Krashen S. Principles and Practice in Second Language Acquisition[M]. Oxford: pergamon Press, 1982.
10Krashen S. The Input Hypothesis: Issues and Implications [M]. London: Longman, 1985. 114 -34.
