复习目标 :理解并掌握平面的性质、空间点、线、面的位置关系以及刻画这些位置关系的空间角和距离、多面体和旋转体的概念、性质、展开图、元素间的位置、形状、大小、面积与体积的计算与应用 .在解题过程中 ,善于通过空间有关知识、绘图能力 ,将空间问题转化为平面问题 .注意? Review objectives: Understand and grasp the nature of the plane, the location of spatial points, lines, and planes, as well as the spatial angles and distances that characterize these positional relationships, the concepts, properties, unfoldings, positions, shapes, and sizes of polyhedrons and rotating bodies. , area and volume calculation and application. In the process of solving problems, good at space through the knowledge, drawing capabilities, the space problem into a plane problem. Attention?