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题目材料：
The average amount of freshwater required per person per year is $$1,700$$ cubic meters. According to the projections, in the year 2025 China will have a freshwater supply of how many millions of cubic meters above the amount required?
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A.420,000
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B.300,000
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C.240,000
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D.180,000
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E.140,000
A显示答案
