2. 外语
  3. Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional

Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional

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问题 Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional information centered above the quantities if such information is given. Choose one of the following answer choices:
A if Quantity A is greater;
B if Quantity B is greater;
C if the two quantities are equal;
D if you cannot determine the relationship based on the given information.

选项 A、 
B、 
C、 
D、 
答案A
解析 The correct answer is A. The best way to solve this problem is to pick numbers to substitute for a and b, keeping in mind that a must be greater than b, and b must be greater than 1. If you let a=3 and b=2, the quantity equals 4/3 while the quantityequals3/2. In this case Quantity A is greater than Quantity B. Further, if you let a=10 and b=9, the quantity equals 11/10, or 1.1, while the quantityequals 10/9, or approximately 1.111. Again in this case Quantity A is greater than Quantity B. Even though the difference between the quantitiesandgets smaller as a and b get larger, Quantity A is always greater than Quantity B.
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