6Bosher S. The composing processes of three Southeast Asian writers at the post 2 secondary level= An exploratory study [J]. Journal of Second Language Writing , 1998, 7 (2) : 205-241.
7Cumming A. Writing expertise and second language proficiency [J]. Language Learning, 1989, 39 (1): 81 141.
8Raimes A. What unskilled ESL students do as they write [J]. TESOL Quarterly, 1985, 19 (2) : 229-258.
9Kern R G. The role of mental translation in second language reading [J]. SSLA , 1994, 16 (4): 441-461.
10Grice P. "l.ogie and Conversation ". Speech Arts ed E P Cox &. J L [M]. Morgan: Academic Press, 1975:41 48.