2. 外语
  3. Although the Arctic looks lifeless, there are animals moving about. Caribou travel up and down feeding on the grass beneath the

Although the Arctic looks lifeless, there are animals moving about. Caribou travel up and down feeding on the grass beneath the

admin2009-05-28  9
问题     Although the Arctic looks lifeless, there are animals moving about. Caribou travel up and down feeding on the grass beneath the snow. The polar bears have a thick, waterproof coat. They eat birds’ eggs, berries and dead whales. Walruses get shellfish  
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