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旅鼠之 PowerPoint PPT Presentation


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旅鼠之. 谜. 作者:位梦华. 国家地震局地质研究所研究员,享受政府特殊津贴的有突出贡献的科学家。 1998 年,位梦华第六次进入北极考察,成为 第一位 在北极越冬的中国 科学家。. 学习目标:. 1 、朗读课文,了解北极旅鼠的奥秘。 2 、学习作者“用记叙的形式生动有趣的介绍知识”的写法。 3 、引发对生存环境的思考,关注人口问题。. 一、预习交流:. 1 、注音或写字 媲 美 ( ) 挑 衅 ( ) 迷 __ ( wǎng )

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旅鼠之

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( ) ( ) __(hui)

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19722070003525701035507000

1955223013008200526

200012.9533

201013.3920001073905.84%0.57%203214.7


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