单项选择题

A.soundB.soundingC.alarmD.signalIf there is a fire on b……

If there is a fire on board, inform the bridge and give the （）at once.

A.sound
B.sounding
C.alarm
D.signal

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单项选择题Cast sea anchor to （）the speed of drifting raft.

A.control
B.controlling
C.controlled
D.controls

单项选择题（）the raft.

A.Right
B.Re-right
C.Toright
D.Beright

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A. have no time
B. in a minute
C. a long time
D. on time

单项选择题Make （）the fore rope and lay out the embarkation ladder.

A.fast
B.faster
C.last
D.from

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A. take in
B. take on
C. take off
D. take down