A.conspicuous
B.inconspicuous
C.a government facility or station
D.a radio transmitter
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A.does not change
B.improves rapidly
C.improves only slightly
D.becomes poor
A.stop
B.to stop
C.stopping
D.stopped
A.you recovery
B.you recover
C.you recovering
D.you recovered
A.Weekly Editions
B.Quarterly Editions
C.Annual Editions
D.Monthly Editions
A.every day
B.every week
C.every month
D.every year
最新試題
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
Periodic publications notifying changes in，or additions to，previously published navigational data are（）.
On the approach of a warm front the barometric pressure usually（）.
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
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（）.
SEARCHABLE NOTICES TO MARINERS can be searched by all the following options except（）.
Weekly Notices are dated for the（）appropriate to the week they are issued on the UKHO website.
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.