对教材、复习资料和往年高考试题中的陈题进行某些变化,以求推陈出新,这是高考试题命题的一个重要来源。命题者从一定的角度和某一侧面对陈题翻新,可让它们精彩再现,别有一番韵味。笔者追寻和品味近两年全国新课标理综卷物理试题中的相关陈题,来探索命题者匠心独具的出题思路与方法,可为科学备考起到一定的指导作用。一、变化问题条件条件是问题求解的基础,它制约着问题求解的思路与方法。物理问题的条件主要有两种:一是题目直接给出的已知条件;二是隐藏在题目之内,受物理过 Some changes to the teaching materials, review materials, and Chen questions in previous college entrance examination questions in order to promote innovation, which is an important source of the college entrance examination thesis proposition. Proponents from a certain point of view and some aspects of Chen renovated, allowing them wonderful reproduction, do not have some charm. The author pursues and tastes the related Chen questions in the physical examination of comprehensive physical volumes in the new curriculum in the past two years in order to explore the ideas and methods of proposing the ingenuity of the proponents, which can play a guiding role in preparing for the science. First, the problem of change Conditions and conditions are the basis for problem solving, which restricts the way to solve the problem ideas and methods. There are two main physical conditions of the conditions: First, the problem given directly known conditions; Second, hidden in the subject, subject to physical