单项选择题
A. chief officer B. second officer C. third officer D. bosun
We should hoist national flag（）（按时）.A. on timeB. in tim...
单项选择题We should hoist national flag（）（按时）.
A. on time B. in time C. soon D. at times
They will take（）(措施) against pirates and pilferage.A.me...
单项选择题They will take（）(措施) against pirates and pilferage.
A.measures B.turns C.place D.part
You should adjust the mooring lines according to the ch...
单项选择题You should adjust the mooring lines according to the changes of（）(吃水).
A.water B.draft C.tide D.sea
