6Boyle, E. & Rothstein, H. Essentials of College and University Teaching: A Practical Guide[M]. Vancouver, Canada: ProAcrive Press. 2008.
7Nunan D. Closing the Gap Between Learning and Instruetion[J ]. TESOL Quarterly 1995. 133 - 158.
8Davis,B. G. Tools for teaching[M]. San Francisco, CA:Jossey - bass publishers. 1993.147.
9John, L. E. &Sharan, B.M. Philosophical Foundations of Adult Education[ M ]. Malabar, Florida: Krieger Publishing Company. 2005.68.
10Cummins, J. Negotiating Identities: Education for Empowerment in a Diverse Society[M]. California: California Association for Bilingual Education. 1996.2.