4Nagy, W. E., P. A. Herman & R. C. Anderson.1985. Learning words from context [J]. Reading Research Quarterly 20: 233-253.
5Nagy, W. E., R. C. Anderson & P. A. Herman.1987. Learning word meanings from context during normal reading [J]. American Educational Research Journal 24: 237-270.
6Rubin, J. 1987. Learner strategies: Theoretical assumptions, research history and typology [A]. In A.Wenden & J. Rubin (eds.). Learning Strategies in Language Learing [C]. New York: Prentice Hall.
8Dupuy, B. & S. Krashen. 1993. Incidental vocabulary acquisition in French as a foreign language [J]. Applied Language Learning 4: 55-63.
9Gibson, R. E. 1975. The strip story: A catalyst for communication [J]. TESOL Quarterly 9: 149-154.
10Knight, S. 1994. Dictionary use while reading: The effects on comprehension and vocabulary acquisition for students of different verbal abilities [J]. Modern Language Journal 78/3: 285-299.