探索性问题由于它的题型新颖、涉及面广、综合性强、难度较大,不仅能考查同学们的数学基础知识,而且能考查同学们的创新意识以及发现问题、提出问题、分析问题并解决问题的能力,因而倍受关注.近几年来,与圆有关的探索性问题已成为命题热点之一,特采撷部分中考题加以浅析,或许对大家有所启发. Because of its novel questions, wide range, comprehensive, more difficult, not only to explore students 'basic knowledge of mathematics, but also to examine the students' awareness of innovation and found the problem, ask questions, analyze the problem and In recent years, the exploration-related issues related to the circle have become one of the hot topics in propositions. It is very important to analyze some of the questions in the examination questions, perhaps to inspire everyone.