7Willis, J. A flexible framework for task - based learning. In J. Willis and D. WiUis (eds.), Challenge and change in language teaching. Oxford: Heinemann, 1996, (55) :235 - 256. 被引量：1
8] Dell Hymes. Models of the Interaction of Language and Social Life[ A]. In Directions in Sociolinguistics[ M]. Ed. by J. J. Gumperz and Dell Hymes. New York: Holt, Rinehart & Winston. 被引量：1
9Willis, J. A flexible framework for task - based learning. In J. Willis and D. Willis ( eds. ), Challenge and change in language teaching. Oxford: Heinemann, 1996. 被引量：1
10Skehan, P. "A framework for the implementation of task - based instruction" [ J ]. Applied Linguistics, 1996, 17 ( 1 ) : 38 - 62. 被引量：1
