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
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After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
An orange flag showing a black circle and square is a（）.
The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.
Mean high water is the average height of（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
Light Lists for coastal waters are（）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.
An inflatable liferaft is hand-launched by（）.
The information on（）is not likely found in The Mariners Handbook.