猜谜语一件东西大无边,能装三百多个天
还装月亮十二个,年底换衣过新年
(打一物)年、月、日学习目标:2、初步建立年、月、日等时间观念,了解知识形成的过程
1、认识时间单位年、月、日,了解它们之间的关系
爷爷每天要吃一片药,一盒有30片,够吃一个月吗
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