pvc胶带绝缘吗:英语 选择题

来源:百度文库 编辑:查人人中国名人网 时间:2024/04/30 03:54:12
As far(A) ,there are a few shrimp farms (B) .But some day there may be (C)many shrimp farms around (D)the world .

As far(A)

a few shrimp farms (B)

there may be (C)

around (D)
为什么a错的?理由??

A应为by far,意思是到目前为止。

这题什麽意思??