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二级参考文献5
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2Corder, S. P. 1967. The significance of learners' errors . In B. W. Robinett and J. Schachter ( eds, ), 1983..Second Language Learning: contrastive analysis , error analysis , and related aspects. The University of Michigan Press.
3Ellis, Rod. 1994. The stzuty of second langtazge acquisition : Oxford University Press Press.
4Ringhom, H. 1986. Crosslinguistic influence and the foreign language learning process, In E, Kellerman and M. Smith(eds. ) :Crosslinguistic influence in secood language acquisition. New York:Pergamon Press.
5Willlams,S. and Hammarberg,B. 1998. Language switches in L3 production: Implications for a Polyglot speaking model. Applied Linguiaics 19/3.
