A.before you enter the water
B.after you enter the water
C.after one hour in the water
D.after you notice that your suit is losing buoyancy
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A.It's of no use for navigation and would be removed with notice
B.It's useful in navigation and may be removed without notice
C.It's helpless in navigation and may be removed without notice
D.It's helpful in navigation and may be removed without notice
A.backing
B.going slow ahead
C.going full ahead
D.turning
A.above the polar circles
B.in a low pressure area
C.during periods of low temperatures
D.in the doldrums
A.polar regions
B.horse latitudes
C.roaring forties
D.doldrums
A.daily lapse reading
B.diurnal variation of pressure
C.pressure tendency
D.synoptic pressure
最新試題
The Experimental Lighthouse-buoy has no navigational significance and may be removed at will.The above sentence means（）.
Lay days（）to commence after the expiry of a specified time after the giving of the notice of readiness to load or discharge.
Mariners are FIRST warned of serious defects or important changes to aids to navigation by means of（）.
Please report your position 4 hours（）advance.
The external flotation bladder on an immersion suit should be inflated（）.
The survey will in no way（）cargo operation，but the main engine will require four-hour notice to be ready if necessary after completion of the survey.
Notice of Readiness to Load must be served（）the Charterer or his agent.
This is to advise you that MV Water Way arrived at Sheerness at 1000 hours on May 14th and the formalities for entering the port were passed at 1040 hours on the same day.Now she is in all respects ready and fit to discharge her cargo of grain in bulk. Theses sentences are likely to appear in（）.
The Local Notice to Mariners is usually published（）.
In the absence of a custom or special contract to the contrary，the Shipowner is not bound to （）the consignees that he is ready to unload on arriving at the port of discharge.