每日一练:职称英语考试卫生类每日一练(2019/6/14)
【单选题】
The drinking water has become contaminated with lead.
A. treated B. tested C. corrupted D. polluted
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每日一练:职称英语考试卫生类每日一练(2019/6/14)
【单选题】
The drinking water has become contaminated with lead.
A. treated B. tested C. corrupted D. polluted
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