A.on an even keel
B.listing about 1° to the side the light is displayed on
C.listing over 5° With the light displayed on the high side
D.listing，and the chutes should be directed to the side where the light is displayed
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A.two red lights
B.one green light
C.one white light
D.one amber light
A.circle of equal altitude
B.parallel of declination
C.parallel of altitude
D.vertical circle
A.straight line
B.arc
C.parabola
D.hyperbola
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
最新試題
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
The Coast Radio Stations are found in（）.
After launching，an inflatable raft should be kept dry inside by（）.
The light vessel is reported（）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
Aboard a survival craft，ether can be used to（）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
An inflatable liferaft should be manually released from its cradle by（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.