1.调查图中农作物的生长周期
2.收集节气谚语
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3.访一访
访问农民对节气谚语的理解
4.试一试(www.daowen.com)
选择就近的2 个节气开展温度、湿度测试
5.讨论
根据以上知识,思考古人通过观察而得来的节气内涵是否具有科学性?
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6.评价
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