单选题
For which of the following categories was the percent of the average annual income(before taxes) spent on food at home the least? A. Self—employed workers B. Professionals and managers C. Clerical and sales workers D. Craft workers and machine operators E. Laborers and service workers
【正确答案】
B
【答案解析】12—13参照下列信息: 标题:食物和非食物选项的花费:1973年家庭在食物和非食物选项上的花费占平均年收入(税前)的百分比 下面哪一类人在家用食物上所花的费用占平均年收入(税前)的百分比最小? 该题需认真阅读第一图——食物和非食物选项的花费(Expenditures on Food and Selected Nonfood Items)。图中不同的阴影区表示不同的项目,其长度表示百分比。图中白色区表示家用食物所占各自年收入的百分比.我们找出最短的即可,由图可知Professionals and Managers的白色区最短。
单选题
Approximately what percent of the total average annual income(before taxes)of retirees was spent on meats,poultry,and seafood(consumed at home.? A. 7% B. 10% C. 20% D. 23% E. 31%