为了发挥课堂教学的效率，我实行三段式教学方法。即把课堂教学分为三个阶段———旧知识迁移阶段，新知形成和智力开发阶段，三阶段既有区别又有密切联系。一、旧知迁移旧知迁移阶段，就是利用知识可迁移性的特点，把学生固有的基础知识引来，为学习新知架桥铺路。即先复习与? In order to give play to the efficiency of classroom teaching, I practice a three-stage teaching method. That is, the classroom teaching is divided into three stages --- the old knowledge transfer stage, the new knowledge formation and the intellectual development stage, the three stages have the difference and the close connection. First, the old knowledge transfer The old knowledge transfer stage, is to use the characteristics of knowledge transferibility, the students' inherent basic knowledge, to pave the way for learning new knowledge bridge. First review and?