在高三复习过程中习题课质量的好坏将直接决定复习效率的高低.如何使一节习题课既能有效地覆盖知识点,又能充分地挖掘学生潜力,提升学生的能力,一种行之有效的方法就是利用习题的变式进行多维度、多情景的训练.通过一题多变,让学生在不同的题设情景中找寻相同的物理模型、使用恰当的分析方法、巩固已有的解题思路.笔者在高三牛顿运动定律的一节习题课中选 In the third year of the review process, the quality of the exercise class will directly determine the level of review efficiency.How to make an exercise class can not only effectively cover the knowledge points, but also to fully tap the potential of students to enhance the ability of students, The effective method is to use the variations of the exercises to carry out multi-dimensional and multi-scene training.Under a problem, students can find the same physical model in different scenarios and use appropriate analytical methods to consolidate the existing solutions Problem ideas. The author in the New Year’s Day Newton’s law of exercises section of the election