A.does not change
B.improves rapidly
C.improves only slightly
D.becomes poor
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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
A.more slack in the mooring lines
B.a strain on the mooring lines
C.chafing gear on the mooring lines
D.grease on the mooring lines
最新試題
Weekly NMs are available without subscription from appointed（）.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
LOW AT 34N 135E ESLY SLWLY INTST NC．This description is most likely to be under the heading of（）.
In revised editions of Admiralty charts the（）are corrected first．
The range of a light on Admiralty Charts is normally the（）.
The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
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（）.
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
On a nautical chart，the inner ring of a compass rose indicates（）.