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选修3-4内容,从近三年的高考情况来看,考查高频点为:1.机械振动和机械波的知识;2.几何光学的知识,如光的折射定律、折射率;3.同时的相对性、长度的相对性、质能关系等.复习中应重视基础知识的复习,重视历届高考试卷在复习课中的示范作用,处理好教材与复习资料的关系.下面以高考真题与模拟题来加以说明.一、选择题易考知识点
Elective 3-4 content, from the college entrance examination in recent years, the situation, the examination of high frequency points: 1. Mechanical vibration and mechanical wave knowledge; 2. Geometrical optical knowledge, such as light refraction laws, refractive index; 3. At the same time Relativity, the length of the relationship between the quality and the relationship between the review should pay attention to the review of basic knowledge, pay attention to the previous college entrance examination papers in the review of the exemplary role, to deal with the relationship between teaching materials and reviewing materials. Questions to explain. A choice of questions easy to test knowledge points