1[1]Lambert W E.Culture and language as factors in learning and education[G]// In F E Aboud and R D Meade.Cultural factors in learning and education.Bellingham,Washington:Fifth Western Washington Symposium on Learning.1974:44-51.
2[2]Krashen S.Second Language Acquisition and Second Language Learning[M].Oxford:Pergamon Press.1981.
3[3]Swain M.Communicative competence:Some roles of comprehensible input and comprehensible output in its development[M]// In S Gass & C Madden.Input in Second Language Acquisition.Rowley,MA:Newbury House.1985:235-253.
4王莉颖.透视美国双语教育[J].中小学英语教学与研究,2002,(12):4-5.
5[5]Directory of Two-Way Bilingual Immersion Programs in the United States[M/OL].Washington,DC:Center for Applied Linguistics 2000.www.cal.org/twi/directory.