2Cook, V,Second Language Learning and Language Teaching [M]. Longdon: Edward Arnold (Publishers)Ltd., 1991.
3Eriksen, K, G. Teaching Counselors and Therapists: Constructivist and Developmental Course Design[CJ o Connect: Bergin & Garvey,2001.
4Beatty, K. Teaching and Researching Computer-as- sisted Language Learning, Applied Linguistics in Action Se- ries [M].Har Low: Pearson Education Limited,2003.
5Alexander, S.Teaching and Learning on the World Wide Web.Retrieved October 16, 2009.
6Brusilovsky,P. Adaptive and Intelligent Technolo- gies for Web-based Education(M~.Kunstliche Intelligenz,1999.
7Harold, H.Evaluating Web-based Instructional De- sign.Retrieved October 16,2009.