In order to get the exact result, the scientists made _______.A.a lot triesB.to do experimentsC.tri

题目简介

In order to get the exact result, the scientists made _______.A.a lot triesB.to do experimentsC.tri

题目详情

In order to get the exact result, the scientists made _______.
A.a lot triesB.to do experimentsC.trial and errorD.great try
题型:单选题难度:偏易来源:不详

答案

C

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