1. Learners need to read all the contents in the textbook comprehensively, understand and master all the knowledge points and concepts as much as possible, and mark the parts that they don't quite understand.

2. Learners need to deeply understand every knowledge point, concept and example on the basis of initial reading. For those who don't understand, you can check the information one by one to deepen your understanding and memory of the knowledge points.

3. On the basis of the second reading, learners need to comprehensively review all the knowledge points in the textbook and strengthen their memory in order to better cope with the exam. In this process, it can be consolidated by doing questions, explaining and recording cards. In addition, in order to better master knowledge, learners can also use a variety of review methods, such as taking notes, mock exams and so on. , so as to pay attention to different levels and dimensions of review, and constantly consolidate and deepen the understanding and memory of key concepts, knowledge points and operation methods. This can improve learning efficiency and help learners master learning content faster and better.