进入六月,转眼就要进行期末考试了,学校的各科教学都已经投入到了紧张的总复习当中,物理学科也不例外。物理总复习阶段,在帮助学生弄清基本概念、基本规律的基础上,总是要求学生要多做一些题。但是老师要讲哪些题?学生要练哪些题?学生怎样去做题?是一个很值得探讨的问题。老师讲的题,也就是例题,应该有典型性。有的是说明一个难懂的概念,或是一些物理量之间的联 Into June, the blink of an eye is going to the final exam, the school’s teaching has been put into a tense general review among physics is no exception. The general review phase of physics, on the basis of helping students to understand the basic concepts and basic rules, always ask students to do more questions. But what questions do teachers want to talk about? What kind of questions do students want to practice? How do students do their work? It is a very worthwhile question to discuss. The teacher’s question, that is, the example, should be typical. Some explain a difficult concept, or some combination of physical quantities