纵观近几年全国各地中考试题,其中很多题目都是课本例题、习题改编而成,这类试题不仅较好地体现了命题的原则:依据大纲,遵循教材,尊重学生,关注课堂;而且紧扣大纲和课本,体现了基础性和学好课本的重要性,有着较好的导向作用,不仅能引导师生重视基础、重视教材、研究教材、用好用活教材,而且能激发学生学习数学的兴趣,挖掘例、习题的功能,促进学生对知识本质的理解.正因为如此,课本改编题备受青睐,成了 Throughout the recent years, the examination questions all over the country, many of which are textbook examples, adapted from the exercises, these questions not only reflects the proposition of the principle: based on the outline, follow the textbooks, respect students, focus on the classroom; and tight The deduction outline and the textbook embody the importance of basic and learning a good textbook, and have a good guiding function. They not only can guide teachers and students to attach importance to the foundation, emphasize teaching materials, study materials, make good use of live teaching materials, but also stimulate students to learn math Interest, mining examples, the function of exercises to promote students’ understanding of the nature of knowledge.For this reason, the textbook adaptation of the popular, became