2Harmer Jeremy.How to teach English[M].Foreign language teaching and research press,2000.
3Little wood W.Foreign and second language learning[M].Cambridge university press,1984.
4Larry A.Samovar,Richard E.Porter,Lisa A.Stefani.Communication between cultures[M].Wadsworth publishing company,1998.
5Allwright D,K M Bailey.Focus on the language classroom:An introduction to classroom research for language teachers[M].Cambridge:Cambridge university press,1990.
