1Renner C E.Enrich Learner's Language Production through Content-based Instruction [R].Modena,ltaly:The Na- tional Conference on Linguae Nuova Didattica,1996: 233-235.
2Paul R& Elder L.Critical Thingking Tools for Taking Charge of Your Learning and Your Life [M] .New Jersey :Pren- tice Hall Publishing,2006:115-120.
4Krueger L(ed).Content -Based College ESL Instruction [M].Mahwah,NJ : Lawrence Erlbaum,2000: 200-211.
5Stryker, S.&B.B.LLeaver. 1997.Content -Based Instruction in Foreign Language Education.Washiongton:George-town U- niversity Press. 1989.
6Bloom B S.Taxononmy of Educational Objectives :The Classification of Educational Goals.Handbook 1 :The Congni- rive Domain[M].New York :Longmans ,Green&Co., 1956.
7Paul R& Elder L.Critieal Thingking Tools for Taking Charge of Your Learning and Your Life [ M ].New Jersey: Pren- tice Hall Publishing,2006.
8Stryker, S.&B.B.L.Leaver. 1997.Content-Based Instruc- tion in Foreign Language Education.Washiongton:George-town University Press, 1989.