6Csikszentmihalyi Mihaly and Csikszentmihalyi Isabella Selega. Optimal Experience.Psychological studies of flow in consciou sness[M].Cambridge. Cambridge University Press, 1988.
7Richards JC,Rodgers T S. Approaches and Methods in Language Teaching [M].Cambridge . Cambridge University Press, 2001.
8Snow,M.A., Met, M., & Genesee, F. A conceptual framework for the integration of language and content in second/foreign language education [J]. TESOL Quarterly, 1989, (2).
