新课程教科书上的习题,是经过精选,具有一定的代表性和典型性的.中学物理教学中,对基本定律、定理教学,习题教学占有相当重要的地位,特别是高三复习课教学中习题课占有相当的比重.搞好习题教学,特别是搞好课本习题的变式教学,不仅能使学生加深概念、定律、定理 The new curriculum textbook exercises are selected, with a certain degree of representation and typical of high school physics teaching, basic law, theorem teaching, exercise teaching occupy a very important position, especially the teaching of senior high school exercises exercises Class occupy a considerable proportion of doing a good job teaching exercises, in particular, do a good job of variant teaching textbook exercises, not only enable students to deepen the concept, law, theorem