统计图是历年各地中考的必考知识点,调查2005年全国各地38份中考试卷发现,其中33份都有统计图一类试题．这类题目涉及的生产生活实际虽然各不相同,但是考查的知识却大同小异．为帮助同学们掌握这部分知识,本文以2005年中考试题为例,分类讲解这类题的特点和解法,各种统计图的区别与联系,供同学们学习时参考． Charts are the necessary examination points for all local examinations over the years. In 2005, 38 examination papers were found across the country. Among them, 33 have statistical charts. Although the actual production and life involved in these topics are different, the knowledge examined is similar. In order to help the students master this part of the knowledge, this article takes the 2005 exam questions as an example to classify the characteristics and solutions of such questions, and the differences and linkages of various statistical charts for reference when students learn.