The drinking water has become contaminated
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The drinking water has become contaminated with lead.
A:polluted B:treated C:tested D:corrupted
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答案：A
本句意思：饮用水受到了铅污染。contaminate污染，弄脏，站污，毒害。pollute污染，弄 脏；treat对待，处理，招待；test测试；corrupt腐烂，腐败。