单项选择题
I（）shorebased radar assistance.
A.ask B.look for C.require D.in need of
单项选择题 GIVE A WIDE BERTH TO THE BREAKWATER means（）.
单项选择题 FLOATING，NOT CONTROLLED，WITHOUT A CLEARLY DETERMINABLE DIRECTION means（）.
单项选择题 During the voyage from Dalian to Singapore，my vessel（）heavy damages to the deck fittings.
