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直线与平面垂直的判定与性质,一直是高考考查的重点.纵观近几年各省市的高考试题,以锥体、柱体为载体的线面垂直关系的论证是每年必考的内容,主要以解答题的形式出现,重点考查空间想象能力、计算能力、推理论证能力以及转化思想的应用能力.有时,还会以选择题或填空题的形式重点考查对垂直相关概念和定理的正确理解.
The judgments and properties of vertical and horizontal planes have always been the focus of the college entrance examination. Looking at the examination questions of various provinces and cities in recent years, the demonstration of the vertical line-on-line relationship between cones and cylinders is the content that must be considered each year. Appear in the form of answer questions, focusing on examining spatial imagination ability, computation ability, inferential reasoning ability, and application ability of transforming thoughts. Sometimes, the correct understanding of vertical related concepts and theorems will be examined in the form of multiple choice or fill-in questions.