等值线问题是中学地理学科的重要内容之一,等值线题目涉及的知识点多,学生在做题时易出错,但其又是《考试大纲》《考试说明》中的重点内容,一直是高考命题人的钟情点,在近几年高考中以选择题或综合题的形式出现。因此,分析等值线问题的考查角度,对于明确复习方向,提高复习效率,具有重要意义。 The problem of contour line is one of the important contents of geography in middle school. There are many points of knowledge in the subject of contour line. Students are prone to make mistakes while doing the questioning, but it is also the key content in the “Examination Guideline of the Examination Outline” College entrance examination proposition is the love point, in recent years college entrance examination in the form of multiple choice questions or comprehensive questions. Therefore, it is of great significance to examine the perspective of the problem of contour to clarify the direction and improve the efficiency of review.