Which of the following is NOT TRUE according to the passage? How many significant demographic changes ever occurred in the past

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问题 Which of the following is NOT 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

解析从第一段第三句可知：在过去一百万年中人口经历了三次重大变化。

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GCT工程硕士（英语）

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