“双主互动”是一种新的教学模式,板书设计是展示环节中的重要一部分。在实践中探索、揣摩如何能提高学生板书的实用性、有效性。通过反复比较、研究,终于找到了行之有效的方法。就是教师要在课前充分地“备”学生,从学生的角度考虑问题,才会使板书的设计起到应有的效果。 “Double main interaction” is a new teaching mode. Board design is an important part of the presentation process. Explore and try to find out how to improve the practicality and effectiveness of student board writing in practice. Through repeated comparisons and studies, we finally found an effective method. It is the teacher that fully prepares students before class and considers problems from the student’s point of view. This will make the design of the board work as it should be.