单项选择题
A.riggins B.gears C.boarding arrangements D.fittings
An appointment between vessels normally made on radio t...
单项选择题An appointment between vessels normally made on radio to meet in a certain area or position defines（）.
A.bona fide B.rendez-vous C.prima facie D.action in personam
An illness preferably of an infectious nature seizin mo...
单项选择题An illness preferably of an infectious nature seizin more than two persons on board at the same time defines（）.
A.disease of crew B.crew illness C.group illness D.mass disease
Areas which cannot be scanned by the radar of the vesse...
单项选择题Areas which cannot be scanned by the radar of the vessel because they are shielded by parts of its superstructure, masts,etc means（）.
A.blind sectors B.sheltered area C.unseen area D.unscan ble area
