4Strevens P. Discourse Across Cultures Strategies in World English: Cultural Barriers to Language Learning [ M ]. Larry E. Smith Prentice Hall,1987.
5邵永真.大学英语教学大纲修汀说明[J].大学外语教学通讯,1998,(3).
6Ellis R. Interlanguage variability in narrative discourses : style shifting in the use of the past tense[ J ]. Studies in Second Language Acquisition 1987,9:12 -20.
7Krashen S D. Principles and Practice in Second Language Acquisition [ M]. Prentice-Hall International English Language Teaching, 1987. 78 -107.
8Gardner R and Lambert W. Attitudes and Motivation in Second Language Learning [ M ]. Rowley,Mass: Newbury House, 1972. 126- 134.
9Bump, J. Radical Changes in Class Discussion Using Networked Computers [M]. Computers and the Humanities, 1990,24 : 49 - 65.
10Costanda, M. & Siekmann, S. online Language Learning and Teaching[Z]. Available on: coedu.usf.edu/slaitcohort99/Online.htm, 1999.
