单选题：Directions: In each of the following questions, a related pa

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  • 题目类型：单选题
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题目内容：
Directions: In each of the following questions, a related pair of words or phrases is followed by five lettered pairs of words or phrases. Select the lettered pair that best expresses a relationship similar to that expressed in the original pair.
DESSICATE : LIQUID::

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Of the various schemes that have been proposed to model how

Of the various schemes that have been proposed to model how gene transcription m

分类：GRE  题型：单选题
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一桶农药，加入一定量的水稀释后，浓度为15%；再加入同样多的水稀释，农药的浓度变为12%；若第三次再加入同样多的水，农药

一桶农药，加入一定量的水稀释后，浓度为15%；再加入同样多的水稀释，农药的浓度变为12%；若第三次再加入同样多的水，农药的浓度将变为多少?（　　）

分类：GRE  题型：单选题
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Man is most likely to be stricken with a cold if __________.

Man is most likely to be stricken with a cold if __________.

分类：GRE  题型：单选题
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13，9，31，71，173，（　　）

13，9，31，71，173，（　　）

分类：GRE  题型：单选题
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