What’s the increasing rate(增长率)of New York’s population during the 15 years?

admin2012-03-27  2

问题
What’s the increasing rate(增长率)of New York’s population during the 15 years?

选项 A、2.3%.
B、7.2%.
C、8.5%.

答案B

解析 分析推理题。增长率的计算是用增长的人口数与原有人口数相除:(17.9-16.7)÷16.7×100%≈7.2%,因此答案是[B]。
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