8Clark R C,Mayer R E.E-leaning and the science of instruction:proven guidelines for consumers and designers of multimedia leaning[M].New Jersey:wiley,2011:85-87.
9Circhton S,Kopp G.Multimedia Technologies,Multiple Intelligences,and Teacher Professional Development in an intemational education project[J].Innovate Journal of online Education,2006,2(3):6.