A、Is
B、Has
C、If
D、Do
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A、A.In times of heavy weather, it is extremely dangerous if a seaman is not enough tall B、B.In times of heavy weather, it is extremely dangerous if a crew is very short C、C.In case of bad weather, it is particularly dangerous if there is a shortage in personnel D、D.In case of bad weather, it is particularly dangerous if there are enough personnel
A、You must ventilate constantly and vigorously to combat ship sweat A.Press up the slack No.1 starboard double bottom tank B、You should ventilate; there is little danger of ship sweat, but a possibility of cargo sweat C、There is danger of heavy cargo sweat if you ventilate D、There is little danger of any sweat problem
A、There is danger of heavy cargo sweat if outside air is introduced by ventilation B、Danger of the ship sweat exists.Constant and vigorous ventilation is required C、There is little danger of ship's sweat;slight possibility of cargo sweat D、The possibility of any ship or cargo sweat is remote
A、Danger of heavy ship sweat exists； constant and vigorous ventilation is required B、There is danger of heavy cargo sweat if outside air is introduced by ventilation C、There is little danger of ship's sweat，slight possibility of cargo sweat； moderate ventilation is needed D、The possibility of any sweat problem，either cargo or ship，is remote
A、A.Danger of heavy ship sweat exists; constant and vigorous ventilation is required B、B.There is danger of heavy cargo sweat if outside air is introduced by ventilation C、C.There is little danger of ships sweat, slight possibility of cargo sweat; moderate ventilation is needed D、D.The po sibility of any sweat problem, either cargo or ship, is frame
A、there is a risk of collision B、you are the give-way vessel C、the other vessel is the give-way vessel D、there is no risk of collision
A、A.When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal B、B.Only the stand-on vessel can sound the danger signal C、C.Distress signals may be used in place of the danger signal D、D.The danger signal consists of 4 or more short blasts of the whistle
A、High-speed operation and rough handling of hatches are dangerous. B、Low-speed operation and rough handling of hatches are dangerous. C、Low-speed operation and rough handling of hatch covers are dangerous. D、High-speed operation and rough handling of hatch covers are dangerous.
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