单项选择题
A.to keep clear of the breakwater
B.that there is much berth space near the breakwater
C.don't drop anchor too close to the breakwater
D.to keep the breakwater within sight
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.
单项选择题 A survey of refrigerated cargo，to certify that proper methods of stowage were utilized，can be conducted by the（）.