2. 外语
  3. Labor force is composed of ______. The conclusion which can be drawn safely from the second paragraph is that ______.

Labor force is composed of ______. The conclusion which can be drawn safely from the second paragraph is that ______.

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问题 Labor force is composed of ______.
The conclusion which can be drawn safely from the second paragraph is that ______.
选项 A、a population growth from natural increase leads to a greater proportion of the workforce
B、a large population does not necessarily mean a higher proportion of workforce
C、the larger the number of the aged in a population, the higher the proportion of the workforce
D、if the population has an evenly spreaded age distribution, the workforce will be lower
答案B
解析 第二段主要论述age distribution对于劳动力规模的影响。
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