In which of the following years did the poor people constitute the largest proportion of the American population? How many peop

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问题 In which of the following years did the poor people constitute the largest proportion of the American population?
How many people are there in the United States in 1987?

选项 A、259 million.
B、117 million.
C、175 million.
D、240 million.

答案D

解析 考查根据细节进行推理的能力。根据第一段最后一句"尽管该比率在1983年后下降了一些,但到1987年,仍维持在13.5%,有32,500,000人",可判断美国1987年有人口240,000,000。
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