Salt spread on road in winter may cause all the following problems except ______. According to the author, when can CMA be appl

admin2009-06-15 98

问题 Salt spread on road in winter may cause all the following problems except ______.
According to the author, when can CMA be applied to the road?

选项 A、In the near future.
B、Right now.
C、After its cost halved.
D、Cannot tell from the passage.

答案D

解析课文说CMA开始受到人们的青睐，并有望在以后取代盐，但具体何时投入使用，并未说明，只说在研究之中，因此可选D。

转载请注明原文地址:https://kaotiyun.com/show/WQLd777K

职称英语理工类A级

相关试题推荐

随机试题

最新回复(0)