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【单选题】
A、Sewage and industrial waste.
B.Oil pollution on the beach.
C.Oil discharged at sea when people cleaning oil tanks.
D.The oil that leaks out after ship collisions.
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根据网考网移动考试中心的统计,该试题:
11%
的考友选择了A选项
8%
的考友选择了B选项
75%
的考友选择了C选项
6%
的考友选择了D选项
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