A. stars
B. celestial bodies
C. the sun
D. the moon
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A.gear
B.equipment
C.engine
D.sextant
A. chief officer
B. second officer
C. third officer
D. carpenter
A. radio signal
B. radio wave
C. signal
D. signal radio
A.visibility
B.VHF
C.visible
D.compass
A.sextant
B.binoculars
C.compass
D.loran
A.VHF
B.Radar
C.Chart
D.Gyro-compass
A.sextant
B.binoculars
C.compass
D.radar
A.line
B.thread
C.aerial
D.wire
A.compass
B.direction finder
C.loran
D.sextant
A.watch
B.chronometer
C.time
D.clock
最新试题
Port a little! ()
Half astern!()
Hard over!()
Meet her! ()
Nothing to port!()
The steersman must report the fact and the course being steered.()
Stern thrust full to port! ()
Double full astern.()
Starboard ten!()
Ring off engine.()