A.calms
B.light winds
C.strong winds
D.precipitation
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A.on a collision course
B.the vessels will pass within one mile
C.it becomes apparent to her that the give-way vessel is not taking appropriate action
D.the relative speed of the vessels indicates collision in less than six minutes
A.mark the position of a lost mooring
B.determine your vessel's sideslip underway
C.determine your speed through the water
D.indicate location of a man overboard
A.Conspicuous
B.Permanent
C.Preliminary
D.Temporary
A.From
B.By
C.on
D.With
A.either，or
B.neither，nor
C.another，nor
D.other，or
最新試題
Navigational warnings are published according to（）.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
On notification by Admiralty Notice to Mariners that a new edition of one of the books，or a new supplement to one，has been published，it should be obtained（）.
Periodic publications notifying changes in，or additions to，previously published navigational data are（）.
LOW ABOUT 300 MILES SOUTHWEST OF LISBON 1004 MOVING SLWLY SOUTHEAST COMMA FILLING 1006 BY MIDNIGHT.This phrase is likely to be under the heading of（）.