A.Roger wilco
B.Romeo,romeo,romeo
C.SOS acknowledged
D.Mayday roger
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A.A continuous sounding with any fog signal apparatus
B.A signal sent by radiotelephone consisting of the spoken word Mayday
C.An International Code Signal of N.C
D.The firing of green star rockets or shells
A.a distinctive signal
B.the Morse Code signal for SOS
C.a computerized voice announcement of Mayday
D.your vessel's International Radio Call Sign
A.Control bleeding
B.Reduce pain
C.Immobilize a fracture
D.Reset the bone
A.An amount equal to the depth of the water
B.Two times the depth of water
C.Three to four times the depth of water
D.Five to seven times the depth of water
A.Carbon disulfide
B.Ethyl alcohol
C.Isoprene
D.Oleum
最新試題
The vessel was drifted off from her()due to strong wind.
The expression DROP ANCHOR means().
The best method to stop a vessel from dragging anchor in a sand bottom is to().
To predict the actual depth of water using the Tide Tables,the number obtained from the Tide Tables is().
What is the normal length of anchor cable used to anchor a vessel?()
To develop maximum anchor holding power,the optimum angle between the anchor’s shank and the mooring lines is().
The radiotelegraph alarm signal is().
What is the MOST irritating to the skin?()
There is not()depth of water around the area centered at the lighthouse.
Which is NOT a distress signal?()