单项选择题

A speed of 30 miles per hour is equivalent to a speed of 44 feet per second．A speed of33 feet per second is equivalent to a speed（）

A、if the quantity in Column A is greater;
B、if the quantity in Column B is greater;
C、if the two quantities are equal;
D、 if the relationship cannot be determined from the information given.

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单项选择题

A grocer buys apples at the regular price of38 cents per pound．（）

A、if the quantity in Column A is greater;
B、if the quantity in Column B is greater;
C、if the two quantities are equal;
D、 if the relationship cannot be determined from the information given.

单项选择题

Mrs．Jones sold two houses for $80，000 each．One house was sold at a 20 percent loss and the other at a 20 percent gain．（）

A、if the quantity in Column A is greater;
B、if the quantity in Column B is greater;
C、if the two quantities are equal;
D、 if the relationship cannot be determined from the information given.