单项选择题
A.on B.in C.with D.during
Please（）search and rescue.A.make command ofB.take comma...
单项选择题Please（）search and rescue.
A.make command of B.take command of C.get command of D.have command of
A group of crew members standing by in case of an emerg...
单项选择题A group of crew members standing by in case of an emergency in order to assist other teams in action if necessary is a（）.
A.Fire team B.Rescue team C.Emergency team D.Control team
A pattern according to which vessels and / or aircraft ...
单项选择题A pattern according to which vessels and / or aircraft may conduct a co-ordinated search is a（）.
A.Research pattern B.Research mode C.Search pattern D.Search and rescue mode
