A.a boat bucket
B.an air tank filled with water
C.an oar and canvas weighted down
D.All of the above
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A.Bona fide
B.Rendez-vous
C.Prima facie
D.Action in personam
A.spoken
B.said
C.told
D.communicated
A.turn it off for five minutes every half-hour
B.turn it off and on at five-minute intervals
C.turn it off during daylight hours
D.leave it on continuously
A.steamer will drift stern downwind
B.tug will drift faster than the steamer
C.tug should approach stern to
D.tug should approach from downwind
A.with puncture wounds
B.when all other means have failed
C.when the victim is unconscious
D.to prevent bleeding from minor wounds
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When carrying out a parallel track search pattern，the course of the search units should normally be which of the following（）.
Which statement about firefighting foam is TRUE?（）
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You are approaching another vessel and see that it has the signal flag “O” hoisted．What is your next action（）.
In case of your steering gear failed，（）should be exhibited in shapes or lights.
During an annual FCC inspection（）.
The key to rescuing a man overboard is（）.
The self-contained breathing device should not be used in which situation（）.
HM Coastguard is primarily（）for the initiation and co-ordination of civil maritime SAR operations in the UK.
You should conduct a sector search under which of the following circumstances（）.