题目

题型：不详难度：来源：

If people keep polluting the rivers, no fish there will survive ______.

A．at all costs	B．once in a while
C．in the long run	D．by no means

答案

C

解析

in the long run终究，最后，从长远看。at all costs不惜任何代价；once in a while偶尔，有时；by no means决不，一点也不。