单项选择题
A. Make fast B. Let go C. Hold on D. Pay out
（）(收紧) the slack on the stern line.A. Heave outB. Take ...
单项选择题（）(收紧) the slack on the stern line.
A. Heave out B. Take in C. Pick in D. Heave away
Before going to the forecastle, ask the engine room for...
单项选择题Before going to the forecastle, ask the engine room for（）（水电）on deck.
A.power B.water C.nothing D.power and water
The anchor is（）(抓牢) ,four shackles in water.A.holdB.hel...
单项选择题The anchor is（）(抓牢) ,four shackles in water.
A.hold B.held C.holding D.to hold
