单项选择题
The （）is out of order. We must have someone to repair it at once.
A.stevedore
B.foreman
C.derrick
D.docker
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Which hold shall we put all the cargo in?（）
A. Hold No.2.
B. No, on the bridge.
C. Yes, in the captain’s cabin.
D. Sorry, I don’t know. -
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The safe working load of the derrick is （）.
A.5 tons
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It’s going to rain. Don’t forget （）the hatches.
A. to close
B. to open
C. to close and open
D. closing
