一、问题提出的理论与现实情景现代教学论认为 ,我们获取知识是为了运用知识。在知识的运用中不仅有像字词、事实、概念、规律这样的陈述性知识作为基础 ,还要有运用知识解决问题的程序。第一步用什么知识 ,第二步用什么知识。这种程序是有规律的 ,即方法、技能 ,这叫程序性知 I. Theory and Reality of the Problem The modern teaching theory suggests that we acquire knowledge to use knowledge. In the use of knowledge, there are not only declarative knowledge such as words, facts, concepts, and laws, but also procedures for applying knowledge to solve problems. What knowledge is used in the first step and what knowledge is used in the second step. This kind of procedure is regular, that is, methods, skills, this is called procedural knowledge.