单项选择题
A.hatch covers B.hatches C.holds D.bulkheads
（）(国旗) should be put on the stern of the ship.A.BridgeB...
单项选择题（）(国旗) should be put on the stern of the ship.
A.Bridge B.Ensign C.design D.Engine room
Deck officers work on the （）(驾驶台甲板).A. bridge deckB. ma...
单项选择题Deck officers work on the （）(驾驶台甲板).
A. bridge deck B. main deck C. compass deck D. weather deck
There are some （）(螺帽) in the toolbox.A.nutsB.boltsC.saw...
单项选择题There are some （）(螺帽) in the toolbox.
A.nuts B.bolts C.saws D.spanners
