化学试卷的讲评是化学教学中的一个重要环节,而通过某种方法策略提升评讲课的有效性则是我们所追求的重要方面。运用“合作、交流”的方法讲评试卷,学生可以了解自己的学习成绩情况和存在的问题,以利于拾遗补弱,改进学习方法,争取更佳成绩把视点放在通过合作与交流掌握知识上, Commenting on chemistry papers is an important part of chemistry teaching. It is an important aspect that we pursue to improve the validity of the lectures through some method and tactics. Using the method of “cooperation and exchange” to comment on the test paper, students can understand their academic performance and existing problems so as to facilitate the selection and improvement of learning methods and strive for better performance. The emphasis is put on using knowledge through cooperation and exchange,