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

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

admin2020-12-24  62
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 为“被污染的”，可用polluted替换。
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