单项选择题


The“combined age”of a group of people is the sum of the ages of all of the people in the group．Which of the following group shad the greatest combined age in 1986？（）

A. 20-year-old males
B. 20-year-old females
C. 60-year-old males
D. 60-year-old females
E. 80-year-old females

<上一题 目录 下一题>
热门 试题

单项选择题
In 1977 the number of existing homes sold was approximately how many times the number of new homes sold（）

A. 3
B. 3.5
C. 4.5
D. 5.5
E. 6
单项选择题
For which age—group was the percent of households with discretionary income most nearly equal to 。（）

A. 15 to 24
B. 25 to 29
C. 40 to 44
D. 60 to 64
E. 70 and older
相关试题