S1:How do you deal with your oily wastes? S2:Oil sludge is burnt out in incinerator on board my ship. Q:What kind of oily wastes was mentioned in the dialogue? A. Oily bilge, B. Oil sludge. C. Oily water. D. Oil residues.
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参考答案:
举一反三
【简答题】vt. ( fml. ) pr sth. or make sth. impossible Better options may come along later, and taking the first option will preclude them from being free for the later and better ones.