建模点1:比较的标准建模点2:一一对应建模点3:比长短(高矮)的方法所属内容:第二单元“比一比”简要分析:确定“标准”是人类深化对事物认识的思维活动中重要而基础的工作。多少、长短、轻重等相对概念的建立,无一不是在标准建构基础上形成的。可以说,没有标准的确立就没有上述概念的生成。在“比多少”的认知活动中,标准 Modeling point 1: Comparison of the standard modeling point 2: One-to-one modeling point 3: The ratio of the length (height) of the method Content: The second unit It is an important and basic work in deepening the thinking activities of human beings. The establishment of relative concepts such as the number, length, severity, and so on are all based on the standard construction. It can be said that there is no standard to establish the above concept is not generated. In “more than” cognitive activity, the standard