&&地球上70%是水30%是陆地&&用英语怎么说

Question

谢谢
到底用by还是with

Answer 1

70 percent of the earth's surface is covered by water and the other 30 percent by land.

by,with都是对的，被动式加by肯定是没错，cover+with也是搭配，所以两个都可以的

Answer 2

70 percent of the earth's surface is water and 30 is land

Answer 3

70% of the Earth surface is covered by water and the remaining 30% by land

Answer 4

70 percent of the Earth is covered with water and 30 percent with land.