單項選擇題Which is NOT a part of an anchor?（）

A.Bill
B.Devil's claw
C.Palm
D.Crown


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1.單項選擇題Which hazard probably would NOT be encountered when entering an empty but uncleaned fish hold?（）

A.Lack of oxygen
B.Methane gas
C.Hydrogen sulfide gas
D.Carbon monoxide

2.單項選擇題When starting CPR on a drowning victim，you should（）.

A.start chest compressions before the victim is removed from the water
B.drain water from the lungs before ventilating
C.begin mouth-to-mouth ventilations as soon as possible
D.do not tilt the head back since it may cause vomiting

3.單項選擇題When carrying out a parallel track search pattern，the course of the search units should normally be which of the following?（）

A.In the same direction as the anticipated drift
B.In the opposite direction of the anticipated drift
C.Perpendicular to the line of anticipated drift
D.Downwind

4.單項選擇題VHF Channel 6 is used exclusively for what kind of communications?（）

A.Radio checks and time checks
B.Inter-vessel safety and search and rescue
C.Working with helicopters
D.Radio direction finding