1, the starting point of review should be low, starting with textbook examples and starting with textbook exercises;

2. Review the basic knowledge points, do "small system" exercises, and insist on practicing every Monday;

3. Distinguishing the key points of teachers' lectures and listening selectively can improve the efficiency of lectures;

4. Summarize the methods and types of questions from the summary of the questions;

5, lay a good foundation, don't do it because the topic is simple, often the simpler the topic, the easier it is to lose points. Many problems have evolved from textbook examples.