4Brown H G, Principles of language learning and teaching[ M]. Englewood cliffs, N J: Prentice Hall, 1987. 115.
5Gardner R & Lambert W E. Attitudes and motivation in second language learning[M]. Rowley M A: Newbury House, 1972.
6Nyikos M & Oxford R L A factor analytlc study of language - learning strategy use: Interpretations of information - processing theory and social psychology[ J]. Modem Language Journal 1993, (1).
7O'Malley J & Chamot A. Learning strategies used by beginning and intermediate ESL students [ J ]. Language Learning, 19851 (35).
8Rubin J. What the "good language learner" can teach us[J]. TESOL Quarterly, 1975, (9).
