现象:办公室里,我经常被这样的问题困扰:为什么讲过的练习册上的题,甚至我都把答案写在黑板上,批下来却没几个人能全做对呢?教室里讲评试卷时,我不止一次地这样指责学生:“这样的题目我上课时都讲过几十遍了,你们怎么还错?”而且我听到其他同事也有类似的抱怨。这些都直接说明了学生听课效率、教师的上课效率都存在 Phenomenon: In the office, I was often troubled by questions like: Why did you talk about the questions in the exercise book, or even wrote the answer on a blackboard? How many people did you criticize? , I accuse the student of this on more than one occasion: “I’ve spoken about dozens of times in class, how are you wrong?” And I heard similar complaints from other colleagues. All of these directly illustrate the efficiency of students ’lectures and teachers’ class efficiency