近几年中考试题所反映出的圆的考点主要有:1.准确理解和圆有关的概念及性质,辨别一类与圆有关的概念型试题.例如:(1)下列命题正确的是.A.平分弦的直径一定垂直于弦,并且平分弦所对的两条弧B.相等的圆周角所对的弧相等C.等弧所对的圆周角相等D.任意三点可以确定一个圆分析:本题 The test points reflected in the examination questions in recent years mainly include: 1. Accurately understanding the concept and nature of the circle, identifying a type of conceptual questions related to the circle. For example: (1) The following propositions are correct. The diameter of the divided chord must be perpendicular to the chord, and divides the two arcs of the chord B. The arcs of equal circumferential angles are equal to each other. C. The circumferential angles of equal arcs are equal. D. Arbitrary three points can determine a circle. : This question