单项选择题
A.stay B.keep C.leave D.have
Anchor（）(垂直).A. upB. downC. up and downD. up or down
单项选择题Anchor（）(垂直).
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
