在线名词解释大全 - Part - 详细

Part4ReadingComprehensionTEXTA-44.Whatdoestheauthorsayaboutdeepwells?

A
They run without any need for repairs.
B
They are entirely free from pollutants.
C
They are the ultimate solution to droughts.
D
They provide a steady supply of freshwater.
正确答案:
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