1Coady, James&Thomas Huckin. Second Language Vocab- ulary Acqusition. Cambridge : Cambridge University Press, 1999.
2Horst, M., Cobb, T., & Meara, P. Beyond clockwork orange: Acquiring second language vocabulary through reading[ J. Reading in a Foreign Language, 1998, ( 11 ) : 207 - 223.
3Krashen, Stephen. We acquire vocabulary and spelling by reading: Additional evidence for the Input Hypothesis [J. The Modern Language Journal, 1989, (73):440- 464.
4Laufer, B. &J. H. Hulstijn. sition in a second language: Incidental vocabulary acqui- The construct of Task - In- duced Involvement Load [ J ]. Applied Linguistics2001, (22/1) : 1 - 26.
5Newton, J. Task - based interaction and incidental vocab- ulary learning: A case study [ J . Second Language Re- search. 1995. ( 11 ) :157 - 177.
2Craik, F. I. M. & Tulving, E. Depth of processing and the retention of words in episodic memory[J]. Journal of Experimental Psychology: General, 1975, (104).
3Craik. F, I, M, . & Lockhart, R. S, Depth of Processing,, A framework for memory research [J ]. Journal of Verbal Learning and Verbal Behavior, 1972, (11): 671-684.
4Dupuy. B,. & Krashen. S, Incidental vocabulary acquisition in French as a foreign language[J]. Apphed Language Learning. 1993.(4) :55-63.
5Horst. M, . Cobb. T. , & Meara, P. Beyond clockwork orangez Acquiring second language vocabulary through reading[J]. Reading in a Foreign Language, 1998, (11) : 207-223.
6Hulstijn, J, H, . Hollander. M, , & Greidanus, T, Incidental vocabulary learning by advanced foreign language students: The influence of marginal glosses, dictionary use, and reoccurrence of unknown words[J]. Modern Language ,lournal. 1996. (80) :327-329.
7Hulstijn, J. H. Intentional and incidental second language vocabulary learning: A reappraisal of elaboration, rehearsal and automaticity[A]. In P. Robinson(ed. ). Cognition and Second Language Instruction[C]. Cambridge: Cambridge University Press.2001 : 258-286.
8Joe. A. Text-based tasks and incidental vocabulary learning: A case study[J]. Second Language Research, 1995. (11) :149-158.
9Joe, A. What effects do text-based tasks promoting generation have on incidental vocabulary acquisition? [J]. Applied Linguistics, 1998, (19): 357-377.
10Karlsen, B. & Gardner, F. Adult Basic Learning Examination [M]. San Antonio, TX: Psychological C..1990.