单项选择题
A.at the lowest point B.near the batteries C.at the highest point D.only when charging is in progress
If passengers are on board when an abandon ship drill i...
单项选择题If passengers are on board when an abandon ship drill is carried out，they should（）.
A.take part B.watch C.go to their quarters D.stay out of the way and do what they want
I would be very much（）if you could arrange for a radio ...
单项选择题I would be very much（）if you could arrange for a radio technician to come on board as soon as possible for my radar repair.
A.obliged B.obliging C.oblige D.being obliged
I hope you don’t mind（）the radar for us in a short time...
单项选择题I hope you don’t mind（）the radar for us in a short time.
A.repair B.repaired C.repairing D.to repair
