49 The end of winter is the most dangerous time for the animals in Yellowstone Park as food becomes even ______.

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问题 49 The end of winter is the most dangerous time for the animals in Yellowstone Park as food becomes even ______.

选项 A、coarser
B、scarcer
C、rarer
D、harder

答案B

解析 scarce难以获得而不足,通常指日用品因匮乏而难得到;coarse粗糙的,例如:coarse salt(粗盐);rare现象很少见到或很少发生。句意:对于黄石公园的动物们,冬季结束的时候是最难熬的,因为食物更加稀少。
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