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GMAT考试Boldface题例解（1）

2014-08-07 21:49:20来源：网络

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　　1. Modern navigation systems, which are found in most of today’s commercial aircraft, are made with low-power circuitry, which is more susceptible to interference than the vacuum-tube circuitry found in older planes. (During landing, navigation systems receive radio signals from the airport to guide the plane to the runway). Recently, one plane with low-power circuitry veered off course during landing, its dials dimming, when a passenger turned on a laptop computer. (Clearly, modern aircraft navigation systems are being put at risk by the electronic devices that passengers carry on board, such as cassette players and laptop computers.)

　　The two portions in boldface play which of the following roles?

　　(A) The first is a principle that the argument relies on and the second is a conclusion that can be drawn from the first.

　　(B) The first is a fact that argument relies on and the second is a conclusion that must be drawn from this argument.

　　(C) The first acknowledges a consideration that supports that main position; the second is that conclusion.

　　(D) The first is an evidence that supports the conclusion, the second is that conclusion.

　　(E) The first is a principle that is necessary for this argument, the second is a conclusion that could be drawn from this argument.

　　参考答案：E

　　思路：Modern navigation systems, which are found in most of today’s commercial aircraft, are made with low-power circuitry, which is more susceptible to interference than the vacuum-tube circuitry found in older planes.(Fact)(During landing, navigation systems receive radio signals from the airport to guide the plane to the runway). (Principle)Recently, one plane with low-power circuitry veered off course during landing, its dials dimming, when a passenger turned on a laptop computer.(evidence) (Clearly, modern aircraft navigation systems are being put at risk by the electronic devices that passengers carry on board, such as cassette players and laptop computers.)(conclusion)

　　本题争论主要在(B)和(E)。第一部分是fact or principle?

　　根据(from Cambridge Dictionary of American English)

　　principle (BASIC TRUTH)

　　noun [C often pl]

　　a basic truth that explains or controls how something happens or works

　　the principles of Newtonian physics

　　During landing, navigation systems receive radio signals from the airport to guide the plane to the runway). 讲述了一个飞机降落时导航系统通过接受机场发出的无线电波来指导降落的基本事实，所以这一部分应为principle.

　　以上就是新东方在线为大家总结的GMAT考试Boldface题例解的相关内容，最后预祝大家在GMAT考试中取得优异的成绩!


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