2. 外语
  3. If the percent increase in population from 1910 to 1920 had been approximately the same as the percent increase from 1900 to 191

If the percent increase in population from 1910 to 1920 had been approximately the same as the percent increase from 1900 to 191

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问题
If the percent increase in population from 1910 to 1920 had been approximately the same as the percent increase from 1900 to 1910, the 10-year increase, in millions, from 1910 to 1920, would have been approximately
选项 A、3
B、6
C、16
D、19
E、29
答案D
解析 标题：美国的人口(1890-1980年官方的统计结果)若1910年至1920年人口增长的百分数与1900至1910年人口增长的百分数相同，那么以百万为单位，从1910至1920年的十年期间人口大约会增长多少?
解：本题的正确答案为(D)。从人口数据表中可知，1900至1910年人口增长的百分比为：16/76×100％，若按照这个比率计算，1910至1920年人口的增长量为：92×16/76 =19.37
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