审题,即解题前的读题和对题目内容的分析理解,是求解物理习题的首要环节。审题不当必然造成错解或无法求解。一般来说,审题程序可分为初读、复读和重读。 一、初读 即了解性读题。通过初读,要弄清题目中讲的是怎样的物理过程?已知条件是什么?要求的问题是什么?为了使题目所述 The problem-solving, that is, the question before the problem-solving and the analysis and understanding of the content of the problem, is the first step in solving the physical exercises. Improper trial questions necessarily lead to misunderstandings or inability to solve problems. In general, the examination procedure can be divided into first reading, repetition and re-reading. First, the first reading is to understand the topic. Through the first reading, we must find out what the physical process is in the subject, what are the known conditions, what is the required question, and what is the subject