The drinking water has become contaminated with lead.A polluted B treated C test

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问题 The drinking water has become contaminated with lead.

选项 A polluted
B treated
C tested
D corrupted

答案A

解析contaminated的意思是“被污染的”，可用polluted替换。

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Thedrinkingwaterhasbecomecontaminatedwithlead.A:pollutedB:treatedC:test