一忌随意进课堂。校长不能毫无准备就去听课。听课前要对教学内容有所了解,最好先在头脑中备一个简单的教案,便于在听课中相互比较,适时点评。听课前应给执教者打声招呼,即使是随堂听课,也应先给执教者说明,让执教者有心里准备。这样做的原因 Avoid free to enter the classroom. Headmaster can not go to school without any preparation. Before class to understand the teaching content, it is best to first prepare a simple lesson plans in mind, to facilitate mutual comparison in the lectures, timely comments. Before the class should be taught to say hello, even if the attendance, should also be explained to the coaching staff, so that the coaches have the heart to prepare. The reason for doing this