A.Has there been
B.Have there been
C.Has there
D.Have there
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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
A.If
B.Shall
C.Should
D.Whether
A.two certificates have expired
B.two certificates will expire
C.one of the two certificates have expired
D.one of the two certificates will expire
最新試題
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 basin cut into the shore,closed off by a caisson,and used for dry docking of ships is known as a().
A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should().
All ships()suspected infectious disease on board should radio information to Port Health Officer.
Cargo transfer operations on a tank vessel need NOT be stopped when().
A frame with two,or sometimes four,arms through which are threaded the guidelines and which is used to keep the drill stem and bit in line with the center opening in the temporary guide base is the().
A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a().
A jack-up drilling rig being towed must().
A heavy,thick-walled tube,usually steel,used between the drill pipe and the bit in the drill stem to weight the bit in order to improve its performance is called a().
Please supply 200 tons of fresh water()my ship.