立体几何对于培养学生的空间想象能力、逻辑推理能力以及转化的思想方法等方面具有独到的作用 .由于立体几何的内容相对独立 ,它不象函数或不等式那样 ,在知识网络的交汇处处于核心地位 ,因此高考始终坚持考查立体几何的主体核心内容 ,着重考查线、面关系 ,空间角与距离、面积 The three-dimensional geometry has a unique role in cultivating students’ spatial imagination ability, logical reasoning ability, and transformational thinking methods. Because the content of the three-dimensional geometry is relatively independent, it is not at the core of the knowledge network’s convergence like the function or inequality. Therefore, the college entrance examination has always insisted on examining the core content of the main body of the three-dimensional geometry, focusing on the examination of the line, surface relationship, space angle and distance, area