在新课程改革的听课过程中,常常遇到下课铃声响了而教师的教学任务还没完成的情况;在与一线教师交谈时,也听到老师们反映预定教学内容经常教不完。于是,有的老师产生了困惑:“是不是活起来的课堂就是这样呢?”“教不完的现象是课改中的正常现象吗?”我们知道,课堂情况是千变万化的,有时为了处理偶发事 In the process of listening to the new curriculum, we often encounter the situation that the bell of the classroom is ringing while the teaching task of the teacher is not completed yet. When we talk with the front-line teachers, we also hear that the teachers often refuse to finish their teaching contents. As a result, some teachers have been puzzled: “Is it true that the classroom is like this? ” “The phenomenon of teaching is a normal phenomenon in curriculum reform?” "We know that the classroom situation is ever-changing, Sometimes in order to deal with occasional