A mortgagee does not acquire a right to the freight（）he has taken actual or constructive possession of the ship.

（）means the sufficiency of a vessel in materials，construction，equipment，crew，and outfit for the trade or service in which it is employed.

A.Seaworthiness
B.Cargo-worthiness
C.Readiness
D.Proficiency

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（）may be defined as a departure without justification and under no necessity from the proper and usual course of an agreed voyage，whereby the character and the incidents of such voyage are altered.

A.Deviation
B.Change
C.Alteration
D.Amendment

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