重视基础,回归教材,是我们在复习备考过程中常提的要求.然而,到底怎样利用教材巩固基础,提升能力呢?许多的考题都能在课本中找到原形,或是改变限制条件加以引申,或是解题方法技巧类似,因此重视习题研究是一个很好的复习策略.以下就举一例,我们共同来探讨. Paying attention to the basics and returning to the teaching materials is a common requirement in reviewing the pro forma process. However, how do we use the teaching materials to consolidate the foundation and enhance our ability? Many of the questions can be found in the textbooks, or they can be modified by changing the restrictions, or It is a similar problem solving technique. Therefore, it is a good review strategy to pay attention to the study of the problem. Here is an example. Let’s discuss together.