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为了考查学生在圆锥曲线中学习掌握曲线与方程,直线和圆锥曲线的基础知识,以及求动点轨迹的技能和综合运用数学知识解决问题的能力情况;1999年全国高考数学试题中的最后一道大题(14分)的命题目的就体现了这一点.通过认真探索,这道题不但解法多,而且牵连到的知识面也广.它既遵循教学大纲而又不拘泥于教学大纲;它是中学数学教学的一个导向,是值得广大中学
In order to examine students’ ability to learn curves and equations in the conic section, the basic knowledge of straight and conic curves, and the skill of finding the point trajectory, and the ability to comprehensively apply mathematics knowledge to solve problems; the last big question in the mathematics test of the National College Entrance Examination in 1999 This problem is reflected in the subject of the question (14 points). Through careful exploration, this problem not only has many solutions, but also involves a wide range of knowledge. It not only adheres to the syllabus but is not rigidly adhered to the syllabus; it is a secondary school. A guide to mathematics teaching is worthy of the majority of middle schools