32. It is reported that the scientists in our country are ______ all possible ways to control H1N1 f

题目简介

32. It is reported that the scientists in our country are ______ all possible ways to control H1N1 f

题目详情


32. It is reported that the scientists in our country are ______ all possible ways to control H1N1 flu.
A.operatingB.designingC.replacingD.Exploring
题型:单选题难度:偏易来源:不详

答案

D

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