Many rivers and lakes have been ______ by industrial waste.

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问题 Many rivers and lakes have been ______ by industrial waste.

选项 A、damaged
B、polluted
C、ruined
D、stained

答案B

解析 pollute vt．弄脏，污染(空气或水)。damage vt.毁坏，损害。ruin vt. 使毁灭，毁坏。stain vt．染污，染色，把……弄脏。

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考博英语

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