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意思为“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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