单项选择题

Of the following 1980 median-income ratios，the greatest was the ratio of the median incomes of（）

A. graduates in Region Y to graduates in Region X
B. nongraduates in Region Y to nongraduates in Region X
C. graduates in Region Y to nongraduates in Region Y
D. graduates in Region X to nongraduates in Region X
E. graduates in Region X to nongraduates in Region Y

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热门试题

单项选择题

In 1974 the dollar value of imports was approximately what percent of the dollar value of exports（）

A. 4%
B. 17%
C. 27%
D. 79%
E. 367%

单项选择题

UNITED STATES POPULATION (official census 1890—1980) Year Population (in millions) 10-year Increase (in millions) Year Population (in millions) 10-year Increase (in millions) 1890 62.9 1940 131.7 8.9 1900 76.0 13.1 1950 150.7 19.0 1910 l 92.0 16.0 1960 179.3 28.6 1920 105.7 13.7 1970 103.2 23.9 1930 122.8 17.1 1980 223.9 20.7 If the percent increase in population from1910 to 1920 had been approximately thesame as the percent increase from 1900 to1910，the 10-year increase，in millions，from 1910 to 1920。 would havebeen approximately（）

A. 3
B. 6
C. 16
D. 19
E. 29