7[1]Swain,M.Communicative competence:Some roles of comprehensible input and comprehensible output in its development[C].In S.Gass and C.Madden.Input in Second Language Acquisition.Rowley,Mass:Newbury House,1985.
8韦祥刚.根据学生特点加强大学英语教学[J].右江民族医学院学报,1998,(3):78.
9Brinn Siler Jeff Sports著 康博创作室译.Visual Basic 6.0开发使用手册[M].北京:机械工业出版社,1999.369-374.