3Young J R. "Hybrid" Teaching Seeks To End the Divide between Traditional and Online Instruction[ J]. The Chronicle of Higher Education, 2001 (3) :22-33.
4CHU H C , HWANG G J, TSAI C C, et al. A two-tier test approach to developing location-aware mobile learning systems for natural science courses [J]. Computers & Education, 2010(12) :1618-1627.
5TUANA H L, CHINB C C, SHIEHC S H. The development of a questionnaire to measure students' motivation towards science learnin[J].International Journal of Science Education, 2005 ( 5 ) :639-654.
