A.ALRS
B.ALL
C.AMC
D.ATT
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A.to be destroyed
B.to be demolished
C.to be ruined
D.to be spoiled
A.gives daily predictions of the times and heights of high and low water for a selection of Standard Ports
B.lists the principal harmonic constants for all those ports where they are known，for use for prediction by the Simplified Harmonic Method of Tidal Prediction
C.is a comprehensive guide for the yachtsman
D.permits the mariner to select and simultaneously calculate tidal heights for multiple ports for up to seven days
A.Ocean Passages for the World
B.Admiralty List of Radio Signals
C.IALA Maritime Buoyage System
D.Admiralty List of Lights and Fog Signals
A.Ocean Passages for the World
B.Symbols and Abbreviations used on Admiralty Charts，Chart 5011
C.Weekly Admiralty Notices to Mariners
D.The Mariners Handbook
A.IALA Buoyage system
B.hydrography，topography，navigational aids and their services
C.basic meteorology and navigation in ice and hazards and restrictions to navigation
D.information on tides，currents and characteristics of the sea
最新試題
After launching，an inflatable raft should be kept dry inside by（）.
Admiralty EasyTide（）.
Mean high water is the average height of（）.
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（）.
Mariners not entering the port are（）to keep at least one mile off.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
The light vessel is reported（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.