2. 职称英语
  3. Which of the following is net true according to the passage? [br] How many signi

Which of the following is net true according to the passage? [br] How many signi

游客2023-08-02  84
问题 Which of the following is net true according to the passage? [br] 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。
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