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在普通高中生物课程标准实验教科书中,文本内容多半是微观性的。由于这些内容具有微观性和抽象性,导致学生在掌握核心概念方面出现一定的难度。而引导学生利用学具动手模拟操作是突破此类教学疑难的重要方法之一。
In ordinary high school biology curriculum standard experimental textbook, the text content is mostly microscopic. Due to the micro-nature and abstraction of these contents, students have a certain degree of difficulty in mastering the core concepts. It is one of the important ways to guide the students to use learning tools to simulate the operation.