单项选择题
VHF radio is one of the very important navigational instruments on board,（）messages can be sent.
A.by which
B.through which
C.by that
D.through that
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相关考题
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单项选择题
When（）,the provision of the bill of lading will be used as a basis for settlement.
A.an event is in connection with the marine peril at sea
B.a matter is linked to a person injury
C.a fact is being contacted by charter party
D.a case is related to dispute about cargo -
单项选择题
When the（）is large, the ship is stiff; and when it is small, she is tender.
A.GM
B.free surface
C.longitudinal center of gravity
D.transverse center of gravity -
单项选择题
When the ship causes oil pollution to the port, she will be（）.
A.fined
B.levied
C.paid
D.deducted
