6Richards J C, Schimidt R. Longman Dictionary of Language Teaching and Applied Linguistic [ M]. 3rd ed. Beijing: Foreign Language Teaching and Research Press, 2005 : 138.
7Newell A, Simon H A. Computer Science as Empirical Inquiry: Symbols and Search [ J ]. Communications of the ACM, 1976,19:23.
8王寅.简明语义学词典[M].济南:山东人民出版社,1993:47.
9Sinclair J. Corpus, Concordance, Collocation [ M ]. Oxford: OUP, 1990:109- 116.
10Lewis M. Pedagogical Implications of the Lexical Approach [M ] //Coady J, Huckin T. Second Language Vocabulary Acquisition. Cambridge: Cambridge University Press, 1993: 98.
