105. The waters of this great lake, which is also the world's deepest, have been ____ by waste

题目简介

105. The waters of this great lake, which is also the world's deepest, have been ____ by waste

题目详情


105. The waters of this great lake, which is also the world's deepest, have been ____ by waste from a chemical factory.
A.cleanedB.clearedC.dirtiedD.Thrown
题型:单选题难度:偏易来源:不详

答案

C

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