On the fully containerized ship，approximately one-third or more of the cargo is on deck above the rolling center. Top stowed containers are subject to（）.

单项选择题The advantage of container transportation is to（）.

A.provide the better working condition for stevedore and crew
B.take the advantage of cargo handling and keep a good maintenance of the vessel
C.standardize the size and package of the general cargo
D.reduce handling cost and damage of cargo and shorten the ship's turn round time in port

单项选择题There should be at least two tiers of dunnage for the cargo loaded on tank top，the first tier laid（）.

A.to prevent crushing of cargo
B.to separate cargoes
C.to prevent small containers from hanging up on the upper edges
D.to offer the drainage

单项选择题When cargo is shifted from the main deck into the lower hold of a vessel，（）.

A.The metacenter will move downward
B.The GM will increase
C.The center of buoyancy will move upward
D.The list of the vessel will become great

单项选择题A wet cargo refers to（）.

A.a cargo that will be damaged if it gets wet
B.bulk liquids
C.cargoes that will cause condensation
D.liquids in containers

单项选择题（）the general cargo is to be loaded in No.1 tweendeck both wings，where to put the containers?

A.Whether
B.Suppose
C.In case
D.How about