PASSAGE THREE Why is the reproductive collapse particularly worrying?

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问题 PASSAGE THREE
Why is the reproductive collapse particularly worrying?

选项

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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专业英语八级

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