单项选择题
A. up B. down C. up and down D. up or down
On a vessel, lines are（）(挽牢) on bitts.A .make upB. made...
单项选择题On a vessel, lines are（）(挽牢) on bitts.
A .make up B. made fast C. singled up D. made up
Make sure that the windlass is（）（脱开离合器）.A. out of gear...
单项选择题Make sure that the windlass is（）（脱开离合器）.
A. out of gear B. in the gear C. in gear D. turn the gear
（）（绞）port anchor！A. Let goB. Heave awayC. Pay outD. Hoi...
单项选择题（）（绞）port anchor！
A. Let go B. Heave away C. Pay out D. Hoist
