Question

【题目】 In the future, care for the environment will become very important as earth's natural resources _____.

A. run out B. use up

C. run out of D. use out

Answer 1

【答案】A

【解析】

试题分析：句意：随着地球的自然资源的耗尽，在将来，关心环境会变得非常重要。run out(主语为物)：用完；耗尽 use up(主语为人)：用完；耗尽 run out of(主语为人)：用完；耗尽use out(主语为物)：用完。分析语境可知主语为earth's natural resources，故选A。