七年级地理下册7.5北极地区和南极地区课件新版湘教版

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第五节 北极地区和南极地区,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,解析,1,2,3,4,5,6,7,8,1,2,3,4,5,7,8,6,1,2,3,4,5,7,8,6,