在学习中发现问题的方法很多，现列举几方面：1．三W法。即从what（是什么），why（为什么），how（怎么样）三个方面思考。第一方面，一般是讲概念、含义；第二方面，一般是讲原理、原因、意义；第三方面，一般是讲要求、方法、趋势、结果。一般地说，每一课、每一节、甚至每 There are many ways to find problems in learning. Here are some examples: 1. Three W method. That is, from three aspects: what, why, and how. The first aspect generally refers to concepts and meanings; the second aspect generally refers to principles, causes, and meanings; the third aspect generally refers to requirements, methods, trends, and results. In general, every lesson, every section, even every