The atmosphere is as much a part of the earth as are its soil and the water of its lakes,rivers ands

题目

The atmosphere is as much a part of the earth as are its soil and the water of its lakes,rivers ands
为什么要填are

答案

试着调整一下句子结构,你就会发现更清楚的原因：
The atmosphere is as much a part of the earth as 【 its soil and the water 并列主语,复数内容主语】of its lakes,rivers and oceans are.】
祝你开心如意!O(∩_∩)O~~