传统教学注重预设,忽视课堂的生成倾向。新课程教学主张在预设的前提下,关注生成,引导生成,强调教学是预设与生成的有机统一。《基础教育课程改革纲要(试行)解读》指出:“课堂教学不应当是一个封闭系统,也不应拘泥于预先设定的固定不变的程式。预设的目标在实 Traditional teaching emphasizes presupposition and ignores the tendency of classroom generation. The new curriculum teaching advocates that, under the presupposition of the premise, attention should be given to generation and guidance. The emphasis on teaching is the unity of presupposition and generation. According to the ”Interpretation of the Basic Education Curriculum Reform (Trial)“: ”Classroom teaching should not be a closed system, nor should it be rigidly adhered to a pre-set fixed program.