立体几何是高考的重点内容之一,从2011浙江理科考试说明以及近几年高考试卷来看,立体几何试题中除了固定不变的线线、线面、面面关系外,还渗透了某些点、线、面的位置是不确定的、可变的开放性问题,立意更新颖、更灵活.因其某些点、线、面位置的不确定,往往成为学生进行一些常规思考、转化的障碍;但又因其是可变的、开放的,更有助于学生空间想象能力及综合思维能力的培养.本文运用运动变化的观点 Three-dimensional geometry is one of the key elements of college entrance examination, 2011 Zhejiang Science Exam Description and examination papers in recent years point of view, three-dimensional geometry questions in addition to the fixed line, surface, face to face, but also some Point, line, surface location is uncertain, variable open question, the intention is more novel, more flexible because of some of its point, line, surface location of uncertainty, often as a student to conduct some conventional thinking, conversion But also because it is variable and open, it is more conducive to the cultivation of students’ spatial imagination ability and comprehensive thinking ability.This article uses the viewpoint of sports change