A.straight line
B.arc
C.parabola
D.hyperbola
您可能感興趣的試卷
你可能感興趣的試題
A.all-round yellow light only
B.all-round white light only
C.all-round blue light only
D.alternating red and yellow light
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
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
最新試題
After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
An orange flag showing a black circle and square is a（）.
Mariners not entering the port are（）to keep at least one mile off.
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
An inflatable liferaft should be manually released from its cradle by（）.
The light vessel is reported（）.
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.
After launching，an inflatable raft should be kept dry inside by（）.
The information on ocean voyage planning with routeing details for powered and sailing vessels is likely found in（）.