In which of the following years did the poor people constitute the largest proportion of the American population? It can be inf

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问题 In which of the following years did the poor people constitute the largest proportion of the American population?
It can be inferred that poverty ______.

选项 A、is defined very concretely in every period
B、is difficult to define in specific terms
C、is defined in material terms
D、is defined according to the standard of each decade

答案A

解析 考查根据文章内容推理的能力。文章第二段第一句指出,贫困线的确定是有争议的。但从第二段中提到的两个历史阶段所确定的贫困线来看,它们都有特别具体的规定,如1795年对贫困线的规定是:最低收入等于1加仑面包的价钱乘以3再加上每个受赡养者的补助。今天美国人口普查局将最低收入规定为:假设1/3用于购买食品,一个家庭的最低收入必须足以为家庭成员购得营养充足的食物。"defined in material terms"不对。由以上的分析可见,最低收入不仅以实物(material)的形式确定,还以价格等形式确定。
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