The atmosphere is as much a part of the earth as ______its soil and the water of its lakes, rivers and oceans.

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问题 The atmosphere is as much a part of the earth as ______its soil and the water of its lakes, rivers and oceans.

选项 A、are
B、is
C、do
D、has

答案A

解析 “as…as…”结构可以引导比较状语从句,该结构中的第一个as是副词(在否定句中,也可以用s。代替 as),后跟形容词或副词;第二个as是连词,后跟比较状语从句,从句中常有省略现象,有时主谓要颠倒,比较对象在概念上也应保持一致。此处因从句主语是its soil and the water of its lakes,rivers and oceans,因此其谓语动词也应用复数。
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