课堂提问是教学中师生交流的最基本手段和途径,而如何设计有效的问题是进行有效教学的关键,结合《盐类水解(第1课时)》的同题重构教学案例,从两次教学的问题比较、设计意图、教后评价和教后感等方面的展示,归纳总结出教师在问题设计时要处理好五个性,即合作性、针对性、情境性、层次性、预见性。 Class questioning is the most basic means and ways for teachers and students to communicate in teaching. How to design effective questions is the key to effective teaching. In the light of the same topic in Salt Hydrolysis (Lesson 1) Teaching problems, design intent, post-teaching evaluation and teaching sense and so on, summarizes the teachers to deal with the five issues in the design of the problem, that is, cooperation, pertinence, situational, hierarchical, predictive.