Now methods need to beto use the existing water resources, for example, turning sea water into fresh

题目简介

Now methods need to beto use the existing water resources, for example, turning sea water into fresh

题目详情

Now methods need to be       to use the existing water resources, for example, turning sea water into fresh water.
A.developedB.assumedC.abandonedD.purchased
题型:单选题难度:中档来源:不详

答案

A

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