单项选择题
A.excellent B.bad C.fair D.good
“Full speed ahead” and “Full speed astern” are（）given b...
单项选择题“Full speed ahead” and “Full speed astern” are（）given by the officers or the pilots.
A.sailing orders B.speed orders C.wheel orders D.telegraph orders
（）port anchor，one shackle in water.A.ThrowB.Heave inC.C...
单项选择题（）port anchor，one shackle in water.
A.Throw B.Heave in C.Cast off D.Let go
You must（）your cable to 5 shackles.A.cutB.shortC.be sho...
单项选择题You must（）your cable to 5 shackles.
A.cut B.short C.be short D.shorten
