What is the most important service of trees to man according to the passage? What has been left when top-soil was washed away?

admin2014-10-11 59

问题 What is the most important service of trees to man according to the passage?
What has been left when top-soil was washed away?

选项 A、Worthless desert.
B、Stone.
C、Flood.
D、Drought.

答案A

解析细节题。答案在文章最后一段最后一句。表层土壤被冲走后，剩卜的只是没有价值的荒土。

转载请注明原文地址:https://kaotiyun.com/show/T8MK777K

大学英语三级B级

相关试题推荐

随机试题

最新回复(0)