3[1]Ellis R. The Stndy of Second Language Acquisition [M].Oxford: Oxford University Press. 1994.481.
4[2]Ellis G, Sinclair B. Learning to Learn English: a Course in Learner Training [ M ]. Cambridge: Cambridge University Press. 1989.257.
5[3]Horwitz E, Young D. Language Learning Anxiety: from Theory and Research to Classroom Implications [M].Englewood Cliffs, N.J.: Prentice Hall. 1991. 103.
6[4]MacIntyre P, Gardner R. Methods and results in the study of foreign language anxiety: a review of the literature [J].Language Learning, 1991 ,(41): 25 -57.
10Vander Pligt J, Eiser J R. Dimensional salience, judgment, and at- titudes[ M ]//Eiser J R. Attitudinal Judgment. New York : Spring, 1984 : 161 --177.