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教材分析《比一比》是人教社义务教育课程标准实验教材,小学一年级上册第二单元的教学内容。这一单元主要有两部分内容“比多少”和“比长短、比高
Textbook analysis ”to a ratio“ is a human religion education compulsory education curriculum standard experimental teaching materials, the first grade of elementary school second unit teaching content. This unit has two main parts: ”more than“ and ”shorter than the length of the ratio