What’s the percentage (百分数) of people living in towns now? How many times more people live in urban areas than in the countrysi

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问题 What’s the percentage (百分数) of people living in towns now?
How many times more people live in urban areas than in the countryside per square mile?

选项 A、About 2 000 times
B、About 18 times
C、More than 100 times
D、About 4 times

答案C

解析 在城市每平方英里有2 000人,在农村则是18人。两个数据一比较,答案显然选C。
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