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标题: 请教： GWD 31-3-30 [打印本页]

作者: soniashi 时间: 2007-4-6 18:03
标题: 请教： GWD 31-3-30

Q30:

The percentage of households with an annual income of more than $40,000 is higher in Merton county than in any other county. However, the percentage of households with an annual income of $60,000 or more is highest in Sommer county.

If the statements above are true, which of the following can properly be concluded on the basis of them?

No household in Merton county has an annual income of $60,000 or more.
Some households in Merton county have an annual income between $40,000 and $60,000.
The number of households with an annual income of more than $40,000 is greater in Merton than in Sommer county.
Average annual household income is higher in Sommer than in Merton county.
The percentage of households with an annual income of $80,000 is higher in Sommer than in Merton county.

我看好像是B和C都对阿。。。谁告诉我C为啥错吧？谢谢哈

作者: tonyliu29 时间: 2007-4-6 22:26

因为C当中所说的是NUMBER，无关项排除

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