数学题目是数学教学的重要组成部分,也是训练学生思维,提升学生数学能力的基本资源,加强对数学试题资源高效利用的研究十分重要.在实践中,笔者发现,改编是提升试题资源新鲜度的有效途径,试题新鲜度的提升能促使学生深入思考,提高学习效率.1关于复合函数单调区间问题的教学案例1 Mathematics is an important part of mathematics teaching, it is also a basic resource to train students ’thinking and enhance students’ mathematical abilities, and it is very important to strengthen the research on the efficient use of mathematics test resources.In practice, I found that adaptation is to improve the freshness of test resources An effective way to improve the freshness of questions can encourage students to think in depth and improve their learning efficiency.1 Teaching Case about Monotonous Interval of Compound Functions