笔者有幸看到《人民教育》２００２年第１０期上刊登的一篇文章《一堂“失败”的好课》，看后感慨颇多。现针对文章提出的几个问题谈几点不成熟的看法。文章最后总结：“是什么导致这堂课失败？原因之一就是小学三年级的学生，没有也不可能有分子的概念。”我认为这堂课，学生 I was fortunate enough to see “People’s Education” in 2002 tenth issue of an article published “failed” a good lesson “, after reading a lot of emotion. Now some of the issues raised by the article to talk about a few immature opinions. The article concluded: ”What led to the failure of this lesson? One of the reasons is that students in third grade, there is no impossible concept of molecules." I think this class, students