立体几何在高考中占有重要的地位,这是源于立体几何知识是考查空间想象能力、运算能力、推理论证及探索问题能力的重要题源,容易命制背景新颖的试题,较好地体现高考的选拔功能.备战2012年高考,立体几何重点要关注四个方面:(1)关注点、线、面位置关系的证明, Three-dimensional geometry occupy an important position in the college entrance examination, which is derived from the three-dimensional geometric knowledge is to examine space imagination, computing power, reasoning and problem-solving ability to explore an important source of questions, easy to create new background questions, a better embodiment of the college entrance examination Of the selection function.Considering the 2012 college entrance examination, three-dimensional geometry should focus on four aspects: (1) the focus of attention, line, surface location of the proof,