“运动型”几何题是近几年中考试卷中的热点题型,此类型问题要求考生分析和解决运动变化中的几何问题,有利于学生空间想象能力的培养,正受到师生们的普遍关注.这类题通常将给定的已知条件和相应的结论,作某种运动变化,需要解题者去探索得到相应的结论,并给予证明或说明理由.常见的有动点型(点在直线、圆弧、抛物线上运动等)、动线型(直线或线段或三角形 The “sports-type” geometry problem is a hot topic in the examination papers in recent years. This type of problem requires candidates to analyze and solve geometric problems in the movement and is conducive to the cultivation of students’ space imagination. General concern. Such questions are usually given the known conditions and corresponding conclusions, some kind of movement changes, the problem solvers need to explore to get the corresponding conclusions, and give proof or explain the reasons. Common dynamic points ( Points move on straight lines, arcs, parabolic lines, etc.), motion line types (straight lines or line segments or triangles)