一道课本习题的复习功能朱兆和（江苏省灌云县中学２２２２００）在高中数学复习中，有些教师往往忽视课本题的作用，认为是不起眼而不值一提．实际上，课本题也有不少好题，只要我们能对其进行挖掘、加工，就会得到一些综合性强、能力要求高、符合三基要求的新命题．在教... A review function of textbook exercises Zhu Zhaohe (Guanyun County Middle School 222200, Jiangsu Province) In the review of high school mathematics, some teachers often overlook the role of textbook problems, and think it is inconspicuous and worth mentioning. In fact, there are a lot of good questions in textbook problems. As long as we can dig and process them, we will get some new propositions that are comprehensive, high in ability, and meet the requirements of the three foundations. In teaching...