题目信息
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?
A:No household in Merton county has an annual income of $60,000 or more.
B:Some households in Merton county have an annual income between $40,000 and $60,000.
C:The number of households with an annual income of more than $40,000 is greater in Merton than in Sommer county.
D:Average annual household income is higher in Sommer than in Merton county.
E:The percentage of households with an annual income of $80,000 is higher in Sommer than in Merton county.
参考答案及共享解析
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已选答案：
正确答案：
B:Some households in Merton county have an annual income between $40,000 and $60,000.
M国收入在40K以上的人口比例是最高的，S国收入在60K以上的人口比例是最高的。问能得出什么j结论？M
A，M国没有人收入在60K往上。不对
B,一些M国的人收入在40K到60K之间。肯定是可以的，不过感觉就像把条件又重新说了一遍，再看看下面
C，说THE number, 注意，条件里说的是percentage,你不知道总数就不能确定到底谁的数量大。
D，比较S国和M国的平均收入，根本算不出来。
E，S国超80K的人口比例大于M国的。我们只知道S国超60K的人口比例最高， 也许S国的这些人收入都在60K--80K，没有人超过80K，而M过超60K的人口比例虽然可能很低（假设只有一个人）但这个人收入是90K。这样一来M国超80K的比例还是大于了S国。
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