学生所学习的知识都应该是知识系统结构中的有机部分。其中，学生头脑中所具有的对新知识起同化和固定作用的旧知识，便是知识停靠点。在备课中，要找准知识停靠点，教师既要依据教材，也要依据学生的实际学习情况。例如：在高三政治课教学中，“政治的含义”这一部分知识是学 The knowledge that students learn should be an organic part of the structure of the knowledge system. Among them, the old knowledge that students have in their minds to assimilate and fix new knowledge is the point of knowledge stop. In preparation for a lesson, we must find the point of knowledge stop. The teacher must not only rely on the teaching materials but also on the actual learning of the students. For example, in the third grade politics class, the part of “political meaning” is knowledge