课堂教学有效性是针对于课堂教学诸环节中所呈现的各种无效教学现象而言的。在实际的教学工作中,我们多次发现教师在课堂教学的组织、讲授、引领过程中,存在诸多无效的重复性语言与方法,致使课堂教学效率低下。为充分利用课堂教学时间,提高师生教学的实效性,充分发挥课堂主渠道 The effectiveness of classroom teaching is based on various kinds of invalid teaching phenomena presented in various aspects of classroom teaching. In the actual teaching work, we have repeatedly found that teachers in the classroom teaching organization, teaching, leading process, there are many inefficient repetitive language and methods, resulting in low efficiency of classroom teaching. To make full use of classroom teaching time, improve the effectiveness of teacher-student teaching, and give full play to the main channels of the classroom