2Harmer, J. The Practice of Language Teaching [ M ]. Chapter 11. Longman, 1991.
3Zimmerman, C. B. Historical trends in second language vocabulary instruction[A]. InJ. Coady &T. Huckin (Eds.). Second Language Vocabulary Acquisition [ C ]. Cambridge: Cambridge University Press, 1997. 5 - 19.
4Krashen, S. & Terrell, T. The Natural Approach: Language Acquisition in the classroom [ M ]. Oxford: Oxford University Press, 1983.
5Elley W B. Acquiring literacy in a second language: the effect of book-based programs [J]. Language Learn-ing, 1991, 41:375-411.
6Elley W B, Mangubhai F. The impact of reading on second language learning [J]. Reading Research Quarterly,1983, 19:53-67.
7Flahive D, Bailey N. Exploring reading/writing relationships in adult second language learners [A]. Carson J,Leki I. Reading in the Comparison Classroom: Second Language Perspectives [C]. Boston, MA: Heinle & Heinle Publishers, 1993.78- 85.
8Janopoulos M. The relationship of pleasure reading and second language writing proficiency [J]. TESOL Quarterly, 1986, 20:763-768.
9Krashen S. Principles and Practice in Second Language Acquisition [M]. Oxford: Pergamon, 1982.
10Krashen S. The Input Hypothesis: Issues and Implications [M]. London: Longman, 1985.
