单项选择题
A.placed in a position with the head lower than the body
B.given an inhalation stimulant
C.given something to drink
D.treated for injuries until conscious
单项选择题 An advantage of an ABC dry chemical over a carbon dioxide extinguisher is（）.
单项选择题 All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual’s（）.
单项选择题 After an accident the victim may go into shock and die. What should be done to help prevent shock?（）