A.stopper
B.screen
C.filter
D.restrictor
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A.rising warm air
B.proximity to a low pressure area
C.inward spiraling circulation
D.clear dry weather
A.Has there been
B.Have there been
C.Has there
D.Have there
A.From
B.By
C.on
D.With
A.Have
B.Has
C.Is there
D.Are there
A.Have
B.Has
C.Has there been
D.Are there
最新試題
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）
A safe fuel system must（）.
A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should（）.
A jack-up drilling rig being towed must（）.
Between 1830 hrs and 1850 hrs this day，strong gusty winds（）by my vessel，in consequence of which the vessel’s four mooring lines were broken.
A large valve，usually installed above the ram preventers，that forms a seal in the annular space between the pipe and wellbore or，if no pipe is present，on the wellbore itself is called the（）.
A fishing vessel displaying the lights shown is（）.
A fire pump may be used for other purposes if（）.
A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind （）.
It is not necessary to declare（）in MARITIME HEALTH DECLARATION.