2014年湖南省普通高等学校教学改革研究立项项目2014-660;湖南省怀化市社会科学成果评审委员会立项课题HSP17YBZC08The research project of teaching reform in Common Colleges and Universities in Hunan Province in 20142014-660;Hunan Huaihua city social science achievements appraisal committee approved the projectHSP17YBZC08