A.FORECAST
B.GALE WARNING
C.SYNOPSIS
D.STORM WARNING
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A.Supplements
B.Annual Summary
C.Navigational Warnings
D.Notices to Mariners
A.vessel being towed
B.fishing vessel engaged in trawling
C.vessel at anchor warning you of her location
D.power-driven pilot vessel on station underway
A.falls
B.rises
C.is steady
D.is unreliable
A.true directions
B.compass error
C.deviation
D.magnetic directions
A.the designed area
B.the designated area
C.the indicated area
D.all area over the world
最新試題
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
Steam smoke will occur when（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
LOW AT 34N 135E ESLY SLWLY INTST NC．This description is most likely to be under the heading of（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.
Information for updating nautical charts is primarily found in the（）.