在教学中经常接触到这样一些学生:他们不重视课本上的习题,对于课本习题中涉及的知识点不去深究,涉及的解题方法不去总结,对于较重要的习题更不会联想和变型,只是得出结果就以为大事完毕。这些学生多半是重视课外题的补充,有时做一些质量比较低甚至超纲的题,所以很容易陷入题海之中,不能自拔。有些教师也有类似的想法,认为课本习题比较基本比较容易,不用化大气力,因此给学生补充大量的课外习题。笔者认为要想提高教学效果,提高学生分析问题解决问题的能力则必须 In the teaching, these students often come into contact with: They do not attach importance to problems in textbooks, do not delve into the knowledge points involved in textbook exercises, and do not summarize the problem-solving methods involved. They are less likely to be associated and modified for more important exercises. However, it is only after the results are concluded that the event is completed. Most of these students pay attention to extra-curricular questions, and sometimes they have some questions that are of relatively low quality or even super-level issues. Therefore, they are easily caught in the sea of ​​questions and cannot extricate themselves. Some teachers also have similar ideas, and think that textbook exercises are relatively easy and do not need to change the atmosphere. Therefore, students are given a lot of extracurricular exercises. The author believes that in order to improve teaching effectiveness and improve students’ ability to analyze problems and solve problems, they must