通过对课堂教学的观察、分析和研究,笔者发现,课堂教学效率不高的原因主要有:(1)有物无人。即教师备课时只备了知识,没有备学生,导致课堂教学的部分甚至全部无的放矢。(2)有点无面。即教师只注意了部分优秀学生,忽视了大多数,未能做到“分层优化”。(3)有标无本。即教师或照本宣科,或泛泛而谈,未能抓住要害和实质。(4)有静无动。即教师只是自己静态地传授,在调动学生、 Through the observation, analysis and research of classroom teaching, the author finds that the reasons for the inefficient classroom teaching are as follows: (1) There is no object. That is, teachers prepare only when the preparation of knowledge, there is no preparation for students, leading to some of the classroom teaching or even totally targeted. (2) A little no face. That is, teachers only pay attention to some excellent students, neglect most of them and fail to achieve “hierarchical optimization”. (3) There is no standard. That is, the teacher or the chief executive or the general manager failed to grasp the essence and the essence. (4) there is no static action. That is, teachers teach themselves only statically, in mobilizing students,