单项选择题

If Jason traveled 30 miles in 6 hours and Katie traveled three times as far in half the time, what was Katie’s average speed, in miles per hour（）

(A) 5
(B) 15
(C) 30
(D) 45
(E) 90

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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

单项选择题

The author’s argument is developed primarily by the use of（）

A．an example of one nation’s success
B．an analogy between man and nation
C．a critique of the United States Constitution
D．a warning against civil war
E．a personal account of self-realization