单项选择题
A.hold a victim in a stretcher B.stop uncontrolled bleeding C.hold a large bandage in place D.restrain a delirious victim
An uncontrolled flow of gas，oil，or other well fluids in...
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
All the traces are（）old ones.A.clearB.evidentC.obviousD...
单项选择题All the traces are（）old ones.
A.clear B.evident C.obvious D.apparently
A man was sighted as he fell overboard. After completin...
单项选择题A man was sighted as he fell overboard. After completing a Williamson turn，the man is not sighted. What type of search should be conducted?（）
A.Expanding circle B.Sector search C.Parallel track pattern D.Datum-drift search
