单项选择题

Which of the following equals the reciprocal of wheredoes not equal （）

A.A
B.B
C.C
D.D
E.E

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单项选择题

Directions for Quantitative Comparison Questions: Some of the following questions give you two quantities, one in Column A and one in Column B, Compare the two quantities and choose one of the following answer choices:（）

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 you cannot determine the relationship based on the given information

问答题

x=（）