我们在课堂教学中经常性的会遇到实际教学情况和我们之前备课时的预设存在较大的误差,这时就需要教师有意识地变化教学的方式和速度,使整堂课处于有规律的动态变化之中,富有节奏感。而要想课堂中能够富有节奏,除了要求教师深刻理解和准确把握教学内容实质,做到一切变化尽了然于胸外,更重要的是需要教师能掌握控制节奏的方法,而控制节奏的方法主要体现在“张”、“弛”两方面的交替出现。 We often encounter in the classroom teaching actual teaching situations and pre-prepared when we have a greater error, then you need teachers to consciously change the way and speed of teaching so that the whole class in a regular Dynamic changes, full of rhythm. In order to enrich the rhythm in the classroom, teachers should be required to understand and accurately grasp the essence of the teaching content so as to make all the changes possible. More importantly, teachers should be able to master the method of controlling the rhythm and the method of controlling the rhythm Mainly reflected in the “Zhang ”, “relaxation ” alternating between two aspects.