Which of the following is net true according to the passage? How many significant demographic changes ever occurred in the past

admin2009-04-23 37

问题 Which of the following is net true according to the passage?
How many significant demographic changes ever occurred in the past one million years?

选项 A、One.
B、Two.
C、Three.
D、None.

答案C

解析本题考查对相关细节的掌握。从文章第一段我们知道在过去一百万年中人口经历了三次重大变化，所以这一题答案很容易找到。

转载请注明原文地址:https://kaotiyun.com/show/eDC7777K

大学英语四级

相关试题推荐

随机试题

最新回复(0)