1　展现能力层次　控制评分误差近几年来 ,数学试题解答题中立体几何试题的命题和评分方法 ,逐步进行改革尝试 ,形成了较为明确的命题思想 :①以立体几何中的重点知识为依托 ,着重考查空间想象能力 ,注重图形的处理与变换 ,观察、分析、想象与推理相结合 ;②在一个相对完整的解 1 Showability Capability Control Scoring Error In recent years, the propositions and scoring methods of the three-dimensional geometry test questions in the math problem-solving questions have gradually been reformed and attempted to form a more clear proposition idea: 1 Relying on the key knowledge in the three-dimensional geometry, focusing on Examine the ability of spatial imagination, pay attention to the processing and transformation of graphics, combine observation, analysis, imagination and reasoning; 2 in a relatively complete solution