1aBrewer, B. Effects of Lexical Simplification and Elaboration on ESL Readers' Local-level Perceived Comprehension [ D]. Unpublished Master' s Thesis of Brigham Young University, 2008.
2Davey, B. Factors Affecting the Difficulty of Reading Com- prehension Items for Successful and Unsuccessful Read- ers [J]. Journal of Experimental Education, 1988 ( 1 ).
3Davies, A. Simple, Simplified, and Simplification: What Is Authentic[ A]. In J. C. Alderson & I-I. Urquhart ( eds. ). Reading in a Foreign Ixznguage [ C ]. London, U. K. : Longman Press, 1984.
4Leow, R. P. Do Learners Notice Enhanced Forms While In- teracting with the L2: An Online and Offline Study of the Role of Written Input Enhancement in L2 Reading [ J ]. Hispania, 2001 (3).
5Long, M. Input and Second Language Acquisition Theory [A]. InS. M. Gassand C. G. Madden (eds.). Input in Second Language Acquisition [ C ]. Rowley, MA: Newbury House, 1985.
6Park, E. On Three Potential Sources of Comprehensible Input for Second Language Acquisition [ Z ]. Teachers Col- lege, Columbia University Working Papers in TESOL & Applied Linguiztics, 2002.
7Parker, K. & Chaudron, C. The Effects of Linguistic Simpli- fications and Elaborative hension [ Z ]. University ESL, 1987. Modifications on L2 Compre- of Hawaii Working papers in.
8Urano, K. Effects of Simplification and Elaboration on L2 Comprehension and Acquisition [ Z ]. A Paper Presented at the Annual Meeting of the Second Language Research Forum. Toronto, Canada, 2002.
