dead reckoning
pilotage
great circle sailing
geographic navigation
第1题：
can you list some ship’s stores?
第2题：
What does not contribute to the commercial GPS receiver position error ________．
A.Satellite clock
B.Ship's speed
C.Atmospheric/ionospheric propagation
D.Receiver
第3题：
When does a pilot say “ Make all lines fast”? ________
A.The ship is about to be in position
B.The ship is very close to the berth
C.The ship is on voyage
D.The ship is in position
第4题：
第5题：
By plotting the analysis messages on weather charts, we are able to ______.
A.prevent any possible accident at sea
B.prepare a reasonable forecast of the wind and weather
C.help the mariner to fix a accurate ship’s position
D.aid the salvage of a ship in peril
第6题：
can your list some ship’s bridge equipments?
第7题：
A fairly accurate estimation of a ship’s position can be calculated by a technique know as ___.
A.dead reckoning
B.pilotage
C.great circle sailing
D.geographic navigation
第8题：
The ship’s___（天文钟）is a very accurate clock.
A.watch
B.chronometer
C.time
D.clock
第9题：
第10题：
When do sailors make the ship fast? （）