单项选择题

In 1985 approximately what percent of all medical expenditures was paid for physician services（）

A. 20%
B. 25%
C. 30%
D. 35%
E. 40%

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单项选择题

Of the following，the category that had expenditures most nearly equal to the average(arithmetic mean)expenditures per category was（）

A. refugee housing
B. emergency workers
C. post disaster assistance
D. new investments
E. cornmodities

单项选择题

If Cashier S’s hourly wage were to increase by 10 percent and S’s weekly hours were to decrease by 10 percent from last week’s total hours，what would be the change，if any，in S’s total weekly wage（）

A. An increase of $1.3
B. An increase of $0.55
C. No change
D. A decrease of $0.55
E. A decrease of $1.37

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