有效教学可从三个层面去理解,一是从教学目标的层面来讲,它是否有效果,也就是能否实现预期目的;二是从教学的投入与产出的层面来讲,它是否有效率,即在有限的课堂教学时间内,全体学生全身心地投入生动有趣地学习活动,是否能获得最大限度的 Effective teaching can be understood from three aspects, one is from the aspect of teaching objectives, it is effective, that is, whether it can achieve the desired purpose; the second is from the perspective of teaching input and output, whether it has Efficiency, that is, in a limited classroom teaching time, all students devote themselves to learning activities vivid and interesting, whether to get the maximum