航海英语航海通告与警告章节练习(2018.03.03)

单项选择题
The fog most commonly encountered at sea is called（）.
A.conduction fog
B.radiation fog
C.frontal fog
D.advection fog
单项选择题
Weekly NMs are available without subscription from appointed（）.
A.Admiralty Distributors
B.Admiralty Publication House
C.United Kingdom Hydrographic Office
D.UK Maritime & Coastguard Agency
单项选择题
The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）
A.Overhead power lines
B.Louisiana-Mississippi ferry crossings
C.Two railroad trestles
D.Two submerged oil pipelines
单项选择题
A steep barometric gradient indicates （）.
A.calms
B.light winds
C.strong winds
D.precipitation
单项选择题
To （） Admiralty Charts 438，latitudes taken from this chart should be increased by about 5 seconds．
A.convert to
B.come to
C.look at
D.agree with
单项选择题
Which would influence a magnetic compass（）.
A.Electrical wiring
B.Iron pipe
C.Radio
D.All of the above
单项选择题
Information for updating nautical charts is primarily found in the（）.
A.Notice to Mariners
B.Coast Pilots
C.nautical chart catalogs
D.Sailing Directions
单项选择题
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
A.Notices to Mariners
B.Sailing Directions
C.List of Lights and Signals
D.Guide to Port Entries
单项选择题
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
A.Plotting radio bearings over a long distance
B.Determining latitude and longitude of a fix
C.Measuring rhumb line distances
D.Measuring rhumb line directions
单项选择题
The chart you supplied was anything （） up to date．
A.but
B.except
C.beside
D.apart from