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

admin2009-05-28  41

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

选项

答案layer

解析
转载请注明原文地址:https://jikaoti.com/ti/xlPMFFFM
0

最新回复(0)