A.a lock that is open
B.a sunken barge
C.a dolphin，water intake and discharge
D.the end of a wharf
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A.a cable crossing
B.a sunken barge
C.a submerged discharge pipe
D.the end of a wharf
A.Green diamond
B.Green triangle
C.Red diamond
D.Red square
A.rain must develop
B.fog may form
C.it begins to snow
D.water freezes
A.absolute humidity decreases
B.relative humidity increases
C.specific humidity decreases
D.dew point rises
A.Agulhas Current
B.Canary Current
C.Benguela Current
D.Madagascar Current
最新試題
Apparent time is based on（）.
At 0100 you notice that the wind has become SSW’ly and has freshened. At 0200 you sight Stratford Point Lighted Bell Buoy “18” bearing 268°pgc. At 0215 the buoy bears 269°pgc. Which statement is TRUE?（）
At 0845，you are approaching the entrances to Thimble Shoal Channel. What channel must you use?（）
Application for a waiver of any requirements of the regulations for oil transfer operations must be submitted to the（）.
At 0715 you take the following bearings: Race Rock Light 328°pgc; Little Gull Island Light 249°pgc; Mt. Prospect Antenna 036°pgc. Based on your 0715 fix，which statement is TRUE?（）
At 0230 on 13 August，you are at mile 610.5 AHP when you see about a mile ahead lights on the water near the left bank. What might you see when you come abreast of these lights? （）
As a rule，ships of most configurations，when drifting in calm water with negligible current，will lie（）.
As the temperature of an air mass decreases，the（）.
As it approaches，a typical warm front will bring（）.
At 0400 your vessel is dead in the water and in heavy fog. Your loran set fixes your position at LAT 41°12.1’N，LONG 72°43.5’W. Bottom samples are taken and indicate a composition of soft mud and shell. Your fathometer reads 40 feet. If the vessel draws 9 feet of water，which of the following is TRUE?（）