A.to be carried out
B.carry out
C.be carried out
D.will carry out
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A.of
B.for
C.with
D.in
A.18 months
B.2 years
C.3 years
D.5 years
A.to
B.of
C.for
D.about
A.The required oily-water separator malfunctions
B.The ship is transferred to Liberian registry
C.An annual survey is conducted fifteen months after the date of certificate issuance
D.A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator
A.chemical and physical properties of the material
B.name of the alternative standard or specification
C.the ASTM or ABS specification the material approximates
D.manufacturer or origin of the material
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Prior to burning or welding on a fuel tank on a ship，regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by（）.
Connecting elements of a mooring system should be fabricated from（）.
The angle between the flukes and the shank of an anchor is called the（）.
Periodic surveys to renew the load line assignment for a ship must be made at intervals not exceeding（）.
At the same time，it is（）for you to signify your acknowledgement of the responsibility for the collision by signing the copies of this letter hereto attached and to return me two copies in due time.
The boom stops are installed on an offshore crane to（）.
In the ship construction portfolio，materials which do not conform to ASTM or ABS specifications must also include the（）.
The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are（）.
At（）an occasional survey has been carried out．
Chafing gear（）.