4Wajnryb, R. (1990) Grammar Dictation. Oxford, UK: Oxford University Press.
5Izumi, S. 2003. Comprehension and production processes in second language learning: In search of the psycholinguistic rationale of the output hypothesis [J]. Applied Linguistics, (24): 168-196.
6Swain, M. 1985. Communicative competence: Some roles of comprehensible input and comprehensible output in its development [A]. In S. Gass & C. Madden (Eds.), Input and Second Language Acquisition [C]. Rowley, MA: Newbury House. 235-256.