7KESSLER C.Cooperative language learning:a teacher's re-source book[M]. Englewood Cliffs,NJ: Prentice Hall Regents,1992. 被引量：1
8MCGROARTY M. Cooperative learning and second languageacquisition [C]// HOLT D D, Cooperative learning. Washing-ton ,DC : Center for Applied Linguistics&ERIC clearinghouseon Language and Linguistics, 1993. 被引量：1
9VYGOTSKY L S. Mind in society[M].Cambridge, Mass : MITPress, 1978. 被引量：1
10KRASHEN. Language acqusition and language education[M]. New York:Longman,1985. 被引量：1
