1Kathleen F.Upside Down and Inside Out:Flip Your Classroom to Improve Student Learning[J].Learning and Leading with Technology,2012(6).
2Lewin T.After Setbacks,Online Courses Are Rethought[N].The New York Times.http://www.nytimes.com/2013/12/11/us/after-setbacks-online-courses-arerethought.html?pagewanted=all.2013.
3Li Z.,Link S.,Ma H.,Yang H.,Hegelheimer V.The role of automated writing evaluation holistic scores in the ESL classroom[J].System,2014(44).
4Perna,L.W.,Ruby,A.Life cycle of a million MOOC users.Invited presentation at the MOOC Research Initiative Conference[R].Arlington,Texas,2013.
5Richey,R.C.Reflections on the 2008 AECT Definitions of the Field[J].Technology Trends,2008(1).
6Sams A.,Bergmann J.Flip Your Students'Learning[J].Educational Leadership,2013(3).
7Tyler R.W.Basic Principles of Curriculum and Instruction[M].Chicago:The University of Chicago Press,1949.
