6[1]Spolsky, Bernard. Conditions for Second Language Learning [M]. Shanghai: Shanghai Foreign Language EducationPress, 2000.
7[2]Kramsch, Claire.Language and Culture [ M ]. Shanghai: Shanghai Foreign Language Education Press,2000.
8[3]Larsen,Diane._Freeman,Michael H.Long. An Introductionto Second Language Acquisition Research[ M]. Beijing: Foreign Language Teaching and Research Press, 2000.
9[4]Skehan Peter. A Cognitive Approach to Language Learning [M]. Oxford: Oxford University Press, 1998.
10[5]Ellia, Rod. Second Language Acquisition [M]. Shanghai:Shanghai Foreign Language Education Press,2000.