单项选择题

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.In the vessel's Official Logbook
B.On the compass deviation card
C.In the compass deviation log
D.On a Napier diagram

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单项选择题

What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.

A.Mention signal stations and ice，storm，traffic and port signals
B.Give the international numbers of lights
C.Give the correction of the lights and fog signals
D.Give the information on the lights and fog signals

单项选择题

To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.

A.the actual depth
B.added to or subtracted from the charted depth
C.multiplied by the charted depth
D.divided by the charted depth