5Cansle, M. & Swain, M. Theoretical bases of communicative approaches to second language teaching and testing [J]. Applied linguistics, 1980,(1).
6Bachman, L. F. Fundamental considerations in language testing [ M]. Oxford University Press,1990.
7Bachman, L. F. & Palmer, A. S. Language testing in practice[ M]. Oxford: Oxford University Press,1996.
8Chomsky, N. Aspects of the theory of syntax [ M ]. Cambridge: The MIT Press, 1965.
9I.ado, R. Language Testing: the constraction and use of foreign language tests [ M ]. London: Longman, 1961.
10Carroll, J. B. "Fundamental considerations in testing for English proficiency of foreign students" in Allen & Campbell ed. Teaching English as a foreign language [ M ]. New York: McGraw-Hill Com, 1961.
