目前,多数科学教师对上好复习课感到头疼,尤其是习题课,究其原因,一方面是教师对习题课研究较少;另一方面是习题课确实很难上出新意,教师觉得很机械,学生觉得很枯燥。习题复习课效率低,教学效果欠佳,是一个普遍性的问题。本文着重从怎样学会发现问题,如何科学选择习题,怎样有效地组织习题课教学三个方面进行了探索与研究,提高初中科学习题复习课效率。 At present, most science teachers find it very troublesome to take good remedial classes, especially for exercise classes. The reason for this is that teachers are less likely to study exercises on the one hand and exercise classes are really hard to find new ones on the other hand. Teachers find it very mechanical Students feel boring. Problem-solving class low efficiency, poor teaching effect is a universal problem. This article focuses on how to learn how to discover problems, how to select exercises scientifically, and how to organize exercises teaching effectively to improve the efficiency of learning exercises in junior high schools.