1 First of all, we must master and understand the basic concepts. The second is to master the contrast method, which depends on the usual training. We should pay attention to three points when comparing: first, make clear the direction of thinking, seek common ground or seek differences, and compare horizontally or vertically. Our task is to find out these basic similarities and differences. The second is to determine the comparison point, that is, to divide some areas for comparison;

2. Correct listening attitude, which is the most important condition for effective listening;

3. Listen carefully. Concentrate on the class, especially the learning objectives; Unsolved parts in the preview; The knowledge emphasized by the teacher and the knowledge focused on analysis;

4. Make use of various organs, take notes and answer questions actively. Keep listening, watching and taking notes in class, and answer questions in your mouth;

5. Summarize in time and recall the key points of this lesson after class.