2. 外语
  3. In the 1980 United States census, marital status was described under one of five categories: single, now married(but not separat

In the 1980 United States census, marital status was described under one of five categories: single, now married(but not separat

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问题 In the 1980 United States census, marital status was described under one of five categories: single, now married(but not separated), separated, divorced, widowed. In the category "separated," including both those who were legally separated and those who were estranged and living apart from their spouses, one million more women than men were counted. Which of the following, if true, provide(s)or contribute(s)to an explanation for this result? I . There are more women of marriageable age than men of marriageable age in the United States. II . More of the separated men than separated women in the United States could not be found by the census takers during the census. III. Many more separated men than separated women left the United States for residence in another country.
选项 A、I only.
B、II only.
C、II only.
D、I and II only.
E、II and III only.
答案E
解析 本题就是要找一个能解释调查报告中所显示的单身男女人数的显著差异的选项 I中所说的适合结婚的女性比适合结婚的男性多与独身的女性比独身的男性多之间无任何必然关系，所以I是错误的；II和Ⅲ都通过找他因的办法说明了调查报告的结果并不是对所有美国人的婚姻状况的调查结果，有一部分独身者是未被统计进去的，而未被统计的独身男性又比未被统计的独身女性多，因此调查报告的结果会显示出独身女性比独身男性多出1000万。由以上分析可知，在给出的三项中，只有II和Ⅲ正确，也即(E)为正确答案。
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