单项选择题
Treatments of heat exhaustion consist of（）.
A.moving to a shaded area and laying down B.bathing with rubbing alcohol C.placing the patient in a tub of cold water D.All of the above
单项选择题 Treatment of frostbite includes（）.
单项选择题 The rescuer can best provide an airtight seal during mouth-to-mouth resuscitation by pinching the victim’s nostrils and（）.
单项选择题 The principal personnel hazard unique to Halon extinguishers is（）.
