我们在多年的教学实践中深深体会到:概念清晰、准确、有层次,是理解和掌握基础知识的保证,也是运用知识解决问题的前提,更有助于促进解题能力的提高和思维能力的发展。一般,我们把概念的掌握过程分为引入、形成、巩固、深化四个层次,每个层次的特点要求及各层次与教学阶段的对应关系简析如下: We have learned profoundly in our teaching practice for many years: the concept is clear, accurate, and hierarchical. It is the guarantee for understanding and mastering basic knowledge. It is also a prerequisite for applying knowledge to solve problems, and it helps to promote the ability to solve problems and improve thinking skills. development of. In general, we divide the concept mastering process into four levels: introduction, formation, consolidation, and deepening. The characteristics of each level and the corresponding relationship between each level and the teaching stage are briefly explained as follows: