Passage Three Why is the reproductive collapse particularly worrying?

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问题 Passage Three
Why is the reproductive collapse particularly worrying?

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答案Because it comes along with an increase in life expectancy.

解析 由题干关键词定位到第二段,该段首句指出,这种出生人口的骤减尤其令人担忧,因为它与平均寿命的延长相伴随。所以答案为Because it comes along with an increase in life expectancy。
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