单项选择题
A.having the proper equipment for the process
B.starting the treatment quickly
C.administering of oxygen
D.treating for traumatic shock
单项选择题 The most effective first aid treatment for chemical burns is to immediately（）.
单项选择题 The minimum concentration of a vapor in air which can form an explosive mixture is called the（）.
单项选择题 The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of（）.