单项选择题

Changing rescuers while carrying out artificial respiration should be done（）.

A.without losing the rhythm of respiration
B.only with the help of two other people
C.by not stopping the respiration for more than 5 minutes
D.at ten-minute intervals

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热门试题

单项选择题An uncontrolled flow of gas，oil，or other well fluids into the atmosphere is called a（）.

A.Flow
B.Breakout
C.Kick
D.Blowout

单项选择题All the traces are（）old ones.

A.Clear
B.Evident
C.Obvious
D.Apparently

单项选择题A VESSEL，OTHER THAN A RESCUE UNIT，DESIGNATED TO CO-ORDINATE SURFACE SEARCH AND RESCUE OPERATION WITHIN A SPECIFIED AREA is known as（）.

A.Salving vessel
B.Co-ordinator surface search
C.MERSAR
D.The vessel being salved

单项选择题（）is not a search pattern.

A.Williamson Turn
B.Parallel
C.Sector
D.zig-zag maneuver

单项选择题（） is not a search manual.

A.MERSAR
B.IMOSAR
C.ICAO SAR
D.SOSREP