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

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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 f

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答案tusks

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