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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶电气与船舶安全

单项选择题

If you () the equipment more carefully before sail, we () so much trouble now.

    A.examined;are not having
    B.had examined;would not have
    C.had examined;would not have had
    D.should examine;would not have

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