随着素质教育的施行,高中教育中对学生能力的培养比较重视。尤其是在高中数学的学习过程中,受到高中数学逻辑思维与形象思维要求较多的影响,一些学生在几何图形的学习中比较困难。比如,关于圆锥曲线方面的知识掌握不够扎实,特别是对圆锥曲线切线性质的理解方面存在一定误区。主要针对一道高考 With the implementation of quality education, high school education places more emphasis on the cultivation of students’ abilities. Especially in the high school mathematics learning process, high school mathematics logical thinking and thinking by the image of the more demanding, some students in the geometry of learning more difficult. For example, the knowledge about conic is not solid enough, especially there is some misunderstanding about the nature of the conic. Mainly for a college entrance examination