1Ellis R.Understanding Second Language Acquisition[M].上海:上海外语教育出版社,1999. 被引量:1
2Fromkin V,Rodman R.An Introduct ion to Language[M].Texas:Harcourt Brace College Publishers,1998. 被引量:1
3Selinker L.Interlanguage[J].International Review of Applied Linguistics,1972:209 -230. 被引量:1
4Newmark L,Reibel D.Necessity and sufficiency in language leaming[J].International Review of Applied Linguistics in Language Teaching,1968:145-164. 被引量:1