6Rod Ellis.The Study of Second Language Acquisition. Oxford University Press, 1994.
7陈安福．漫谈教学的情感性[N]．光明日报,2000—7．
8Guion,S. G. ,J. E. Flege, S. H Liu, & G. H. Yeni-Komshian. Age of learning effects on the duration of sentences produced in a second language[J]. Applied Psycholinguistics 2000, (21) :205 - 228.
