在习题课中,例、习题的选编和运用,是关系到提高习题课质量的关键问题.因此教师要以教学大纲、教材的要求,以及学生的实际情况精选习题.通过习题课能达到对学生夯实双基、发展能力,培养良好思维品质的目的.程序题是大家公认的一种较好的类型题.它围绕“主干”将问题由浅到深、由简单到复杂地循序展开.这种阶梯式的问题,使学生跨入知识的海洋.我在教完“电功电功率”一章后,设计了 In the exercises class, the selection and use of examples and exercises are the key issues related to improving the quality of the exercises. Therefore, the teachers should select the exercises according to the requirements of the syllabus, textbooks, and the actual situation of the students. The students are consolidating the foundations, developing their abilities, and cultivating good thinking qualities. The procedural questions are generally accepted as a better type of question. It centers on the “trunk” to develop the problems from shallow to deep and from simple to complex. This kind of step-by-step problem makes students step into the sea of ​​knowledge. I designed the chapter after I finished the chapter on “Electrical Power”.