新课程改革提出:“教学不只是单向、封闭、静态的知识授受过程,而是师生多向、开放和动态的对话、交流过程。”而这种多向、开放和动态的对话、交流过程意味着更多的不确定性和生成性,因此,生成性是新课程改革中课堂教学的重要特征,也是区别于传统教学的重要方面。同时,我们的课堂教学又是有计划、有目的的活动,必须体现课程和教学的国家意志,必须落实国家 The new curriculum reform proposed: “Teaching is not just a one-way, closed and static process of knowledge transfer, but a multi-directional, open and dynamic process of dialogue and exchange between teachers and students.” Such a multi-directional, open and dynamic dialogue , The exchange process means more uncertainty and generativeness. Therefore, generativeness is an important feature of classroom teaching in the new curriculum reform and an important aspect that is different from traditional teaching. At the same time, our classroom teaching is a planned and purposeful activity that must embody the national will of the curriculum and teaching and must implement the principles of the state