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

解析本句意思：饮用水被铅污染了。contaminate意为“把……弄脏，污染”，与pollute（污染）意思相近。treat对待，看待; test考试；测验，考查；corrupt使道德败坏；使腐败。

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