4West,R. Needs Analysis in Language Teaching[J]. Language Teaching, 1994,27 ( 1 ) : 1 - 19.
5Berwick, R. Needs Assessment in Language Programming: from Theory to Practice[A]. In R. K. Johnson (Ed.). The Second Language Curriculum [ C ]. Cambridge: Cambridge University Press, 1989:48-62.
6Hutchinson, T. & Waters, A. English for Specific Purposes: a Learning- centered Approach [ M ]. Cambridge: Cambridge Uni- versity Press, 1987.
7Johnstone, R. Research on language Learning and Teaching: 1997-1998 [ J]. Language Learning, 1999,32 (3) : 137-156.
8Crump, C. A. Motivating Students: A teacher's Challenge [ A ]. Sooner Communication Conference [ C ]. Norman, Oklahoma, 1995.
9Garner,R. C. & Lambert,W. E. Attitudes and Motivation in Science and Language Learning [ M ]. Rowley, MA: Newbury House, 1972.
10McClelland, D. C. ,Atkinson. J. W. ,Clark,R. A. & Lowell, E. L. The Achievement Motive [ M ]. New York:Appleton- Century-Crofts, 1953.
