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GRE数学例题:数据解释题型(5)

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  The graph above shows how a sample of 10 different voters (vertical axis) voted for 5 different candidates (horizontal axis). Each voter voted for either one or two of the five candidates(No voter voted twice for the same candidate).The two candidates receiving the most votes were the winners. The sample constituted 5 percent of those in the district who voted, and the number of votes in the district for each candidate was in the same proportion as the number of votes in the sample for each candidate.

  7.What fraction of the total number of votes cast did the two winners receive?

  A.11/18

  B.11/22

  C.1/2

  D.1/3

  E.3/10

  答案:A

  8.What percent of the sample voted for at least one of the two winners?

  A.11%

  B.20%

  C.55%

  D.61%

  E.90%

  答案:E

  9.How many votes were cast in district X ?

  A.18

  B.90

  C.200

  D.360

  E.400

  答案:D

重点单词   查看全部解释    
candidate ['kændidit]

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n. 候选人,求职者

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voter ['vəutə]

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n. 投票人,选举人

 
sample ['sæmpl]

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n. 样品,样本
vt. 采样,取样

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horizontal [.hɔri'zɔntl]

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adj. 水平的,横的
n. 水平线,水平面

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axis ['æksis]

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n. 轴,中枢

 
district ['distrikt]

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n. 区,地区,行政区
vt. 把 ... 划

 
vertical ['və:tikəl]

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adj. 垂直的,顶点的,纵向的
n. 垂直物

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fraction ['frækʃən]

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n. 分数,小部分,破片

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cast [kɑ:st]

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v. 投,掷,抛,铸造,丢弃,指定演员,加起来,投射(目

 
proportion [prə'pɔ:ʃən]

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n. 比例,均衡,部份,(复)体积,规模
vt

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关键字: 常见问题 数学 GRE

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