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【单选题】
某船舶处于轴带发电机单独供电状态,现要进港靠码头,主机需要进行减速及倒车操纵。应______。A.
先切除轴带发电机，再起动柴油发电机组
B.
直接切除轴带发电机即可
C.
继续由轴带发电机供电
D.
先起动柴油发电机组，并车、转移负荷后切除轴带发电机
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举一反三
【单选题】Outside-the-classroom Learning Makes a Big Difference Putting a bunch of college students in charge of a $ 300, 000 Dance Marathon, fundraiser sure lysounds a bit risky. When you consider the fact tha...
A.
are lazy
B.
are stupid
C.
are not rich enough
D.
will not take an interest in it
【简答题】I think Valentine’s Day is a waste of time, but I still feel obliged to send my wife a bunch of flowers.
【单选题】下列关于乙硼烷的叙述中,不正确的是 ( )
A.
它是缺电子化合物
B.
围绕 B—B 键可自由旋转
C.
分子中存在三中心二电子氢桥键
D.
它最终水解产物是氢气和硼酸
【简答题】I a bunch of flowers (一束花) to Mrs. Link last Christmas.
【单选题】A bunch of books I borrowed from the local library were piled_____on the desk.
A.
higher
B.
high
C.
highly
D.
highest
【单选题】I sent a big bunch of flowers to the nurse as an of thanks for her taking good care of my grandpa in the nursing home.
A.
attitude
B.
impression
C.
appreciation
D.
expression
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