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
An advantage of an ABC dry chemical over a carbon dioxi...
单项选择题An advantage of an ABC dry chemical over a carbon dioxide extinguisher is（）.
A.lack of toxicity B.the multipurpose extinguishing ability C.burn-back protection D.cooling ability
All inspected vessels on unrestricted ocean routes must...
单项选择题All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual’s（）.
A.blood B.breath C.urine D.All of the above
After an accident the victim may go into shock and die....
单项选择题After an accident the victim may go into shock and die. What should be done to help prevent shock?（）
A.Slightly elevate the head and feet B.Keep the person awake C.Keep the person lying down and at a comfortable temperature D.Give the person a stimulant to increase blood flow
