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问题：
Merco has been in business longer than Nolen. Inc, Olean Industries was founded years before the Potter Company, and the Potter Company was started years after the Quarles Corporation. Nolen, Inc., and the Quarles Corporation were founded in the same year.
If the information above is true, which of the following must also be true?故答案是：D
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问题：
June is taller than Kristin.
Letty is taller than Maria.
Maria is shorter than Nancy.
Kristin and Nancy are exactly the same height.
If the information above is true, which of the following must also be true?
(A) Letty is taller than Nancy.
(B) Letty is taller than June.
(C) Kristin is shorter than Letty.
(D) June is taller than Maria.
(E) Kristin is shorter than Maria.
答案：
The equation can be setup as
J>K=N>M
L>M
But there is no relation between J, or L and K, N and L can be deduced.
(A) Letty is taller than Nancy.
As written this is not deducible.
(B) Letty is taller than June.
As written this is not deducible.
(C) Kristin is shorter than Letty.
As written this is not deducible.
(D) June is taller than Maria.
Yes it is deducible. As J > M.
(E) Kristin is shorter than Maria.
False. K>M and not shorter than M.
Answer D.
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原文地址：http://my.oschina.net/ITELITE/blog/526007
