2Mazur Eric. Can we teach computers to teach ? [ J ]. Computers in Physics,1991,5( 1 ) :31 -38.
3Lage M J, Platt G J, Treglia M. Inverting the elassroom:a gateway to creating an inclusive learning environment [ J ]. J Economin Educ, 2000 ,witer( 1 ) :30 -43.