A.Was／would B.Were／would C.Is／will D.Is／is to
A.Oxygen deficient spaces B.Compartments containing poisonous vapors C.Fighting fires that produce heavy smoke D.Underwater search
A.Slow，deep breathing B.Pale，cold skin C.Weak，rapid pulse D.Restlessness and anxiety
A.in B.on C.for D.from
A.It will have no effect B.It will increase the holding power C.It will reduce the holding power D.It will cause the anchor to snag
A.Expanding circle B.Sector search C.Parallel track pattern D.Datum-drift search
A.red star shell B.searchlight C.burning barrel D.orange smoke signal
A.deck lights forward and aft B.a white light over two red lights C.a red light，white light，and blue light in a vertical line D.a distinctive signal promulgated by the CSS
A.hold a victim in a stretcher B.stop uncontrolled bleeding C.hold a large bandage in place D.restrain a delirious victim
A.General commander B.Commander general C.Search commander D.On-scene commander
