复习是学习的一个重要环节 ,它有自己独有的特点和规律 ,因而也就应有与之相适应的思路和方法 .在复习课时正确地处理好旧与新、显与隐、知与能、拙与巧、热与冷的关系 ,对于我们理清复习思路、定准复习方向、制订复习方案都会大有裨益 .1　旧与新回顾原来学过的概念、性质、法 Review is an important part of learning. It has its own unique characteristics and laws, and therefore it should have ideas and methods that are appropriate to it. In the review of class time, old and new, explicit and implicit, knowledge and ability are correctly handled. The relationship between cleverness, cleverness, and hotness and coldness will be of great benefit to us in clarification of reviewing ideas, setting the direction for review, and formulating review programs.1 The old and new review of the concepts, nature, and methods of the original study