First, think more: think deeply about the physical knowledge involved in the learning content-concepts, laws and methods, and strive to understand its meaning accurately and completely;

Second, do more: you must complete all the questions in the textbook (this is the minimum requirement). Only by brushing the questions can you further understand the knowledge and master the methods and ideas;

Third, communicate more: if possible, set up a study group of several people, discuss it at least once a week, or consult a teacher.