近几年来，高考物理的计算题逐年增加，对文字说明的要求也越来越高，其目的在于通过文字说明考查学生的思维过程，考查学生文字表达能力．从思维过程来看，文字说明是对分析题意这一思维过程的概括和延伸，是从定性分析到定量研究的过渡和转折，因此也是学生应必备的基本... In recent years, the computational problems of college entrance examination physics have been increasing year by year, and the requirements for written explanations have become higher and higher. The purpose is to examine students’ thinking process through written explanations and examine students’ writing ability. From the perspective of the thinking process, the text description is a generalization and extension of the thinking process of analyzing the meaning of questions, and it is the transition and transition from qualitative analysis to quantitative research. Therefore, it is also a basic requirement for students to be necessary.