单项选择题

What is the period of validity of the SOLAS required Cargo Ship Safety Construction Certificate? （）

A.12 months
B.24 months
C.48 months
D.60 months

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单项选择题

To determine what navigation lights and day-shapes must be displayed on mobile offshore drilling units under tow，you should check the（）.

A.American Bureau of Shipping classification rules
B.International Regulations for Preventing Collisions at Sea
C.Safety of Life at Sea Convention
D.Minerals Management Service rules

单项选择题

To determine the number of portable fire extinguishers required on an inspected vessel，you should check the（）.

A.hot work permit
B.Certificate of Inspection
C.Safety of Life at Sea Certificate
D.station bill