Official 32 Lec 3
答题结果:0/6
答题时间:0''
Question 2 of 6
What is the professor’s opinion about the effort to reclaim the land in the Copper Basin?

A.

The techniques and materials used for the cleanup were probably outdated.

B.

Some attempts to clean up the Copper Basin have made the problems worse.

C.

It is not surprising that cleaning up the area has been extremely difficult.

D.

The cleanup has taken longer than necessary.

我的答案:

正确答案:C

00:00
00:00
隐藏原文

译文