Then the thesis expatiates the basic structure and running flow of the mode and its characters on four aspects : instructional organization way - mutual and open , the existence way of instructional contents - makable and expansibility , students " leaning way - independent and cooperative and instructional evaluation - dialog and harmony , animadvert and sustainment 接着具体阐述了该模式的基本结构及运作流程,并具体分析了该模式四个方面的特点,即教学组织方式? ?交互式和开放式、教学内容存在方式? ?生成性和发展性、学生学习方式? ?自主性和合作性和教学评价? ?对话与协调、批判与支持。