6Andrson, J. R. Cognitive Psychology and its Implications[M]. NY:E.H. Freeman,1985.
7Chiang , C. S. & P. Dunkel. The Effect of Speech Modification, prior knowledge and listening proficiency on EFL lecture learning[ J]. TESOL Quartly, 1992.
8Carrol D W. Psychology of Language Foreign Leaguage Teaching and Research Press[ M ]. 2000.8.
9Eysenek, M. W. & M. T. Keane. Cognitive Psychology: a student's Handbook Lawrence Erlbaum [ M ]. 1990.
10Howard, R. W. Concept and Schemata: an introduction[ M ]. London: Cassel Educational. 1987.