70% of our bodies()water,and three quarters of the earth()covered with water a.are is b.is is

分类: 作业答案 • 2023-01-16 08:17:05

问题描述：

70% of our bodies()water,and three quarters of the earth()covered with water a.are is b.is is
选哪个?为什么?

答

你好：为你提供精确解答
整体的一部分用单数形式.
故选【B】
谢谢,不懂可追问~~~~~·