A.I am in doubt as to your actions
B.My engines are full speed astern
C.I desire to overtake you
D.I am operating astern propulsion
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A.should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwards
B.should be righted by standing on the life line，holding the righting straps leaning backwards
C.will right itself when the canopy tube inflates
D.must be cleared of the buoyant equipment before it will right itself
A.at the bow
B.at the stern
C.in the middle
D.all around
A.a painter
B.red smoke flares
C.a jackknife
D.a signal mirror
A.working on the rig floor
B.working over water
C.working on the pipe racks
D.operating line throwing equipment
A.on the prime vertical
B.on the celestial horizon
C.at lower transit
D.on the Greenwich meridian
最新試題
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
Many of the lights on this coast are placed so high as to be frequently obscured by（）.
An inflatable liferaft is hand-launched by（）.
An inflatable liferaft should be manually released from its cradle by（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
The information on（）is not likely found in The Mariners Handbook.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.