1Krashen S.The input hypothesis issues and implications[M].London Longman Group Limited,1985.
2Swain,M.&Lapkin,S.Problems in output and the cognitive processes they generate:A step towards second language learn-ing[J].Applied Linguistics,1995(3):371-391.
3Swain,M.Three functions of output in second language learning[A].Oxford University Press,1995:125-144.
4Vance,C.,K.Groves,Y.Paik&H.Kindler 2007.Understanding and measuring linear/non-linear thinking style for enhancedmanagement education and professional practice[J].Academy of Management Learning&Education 6:167-189.
4SCHACHTER J. Nutritional needs of language learner[C]//CLARK M A,HANDSCOMBE J. On TESOL' 82:pacific perspectives on language learning and teaching. Washington,D.C. :TESOL, 1983.
6Poica,T.,Holliday,L.,Lcwis,N. & Mor gcn thalcr, L. Comprehensible output as an outcome of linguistic demands on the learner studies' [J].Second Language Acquisition, 1989,11 ( 1 ) : 63-90.
7马书红.输出在外语学习中的作用The Function of Out-put in Foreign Language Learning[EB/OL].2001-04-01论文网http://www.lw23.com/lunwen_746834727/.
8Donato, R. Collective scaffolding in second language learning [A].J. Lantolf & G. Appel, Vygotskian approaches to second language research [C]. Norwood, NJ: Ablex, 1994.
9Gass, S. & L. Sellinker. Second language acquisition: An introductory course [M]. Mahawah, NJ: Lawrence Erlbaum Associates,2001.
10Izumi, S., Bigelow, M., Fujiwara, M. & Fearnow, S. Testingthe output hypothesis: Effects of output on noticing and second language acquisition. Studies in Second Language Acquisition, 1999(21): 421-452.
