6Alvermann D E & Hagood M C. Critical media literacy: Research, theory, and practice in new times [ J ]. Journal of Educational Research, 2000, 93 ( 3 ) : 193 - 203.
7Azariadis C & Drazen A. Threshold externalities in economic development [ J ]. The Quarterly Journal of Economics, 1990, (2) : 501 -526.
8Halliday M A K. Language as Social Semiotic: The Social Interpretation of Language and Meaning[M]. London: Arnold, 1978.
9Kalantzis M & Cope B. Language education and muhiliteracies [ A ]. In May S & Hornberger N H (eds.). Encyclopedia of Language and Education ( Vol. 1 ) [ C ]. Boston : Springer Science + Business Media, LLC, 2008.
10Kress G. Multimodality [ A ]. In Cope B & Kalantzis M ( eds. ). Multiliteracies : Literacy Learning and the Design of Social Futures [ C ]. London : Routledge, 2000.