In any major injury to a person,first aid includes the treatment for the injury and ().
A. application of CPR
B. removal of any foreign objects
C. administration of oxygen
D. for traumatic shock
查看答案
以下()属于警告类标示牌。
A. 禁止烟火!
B. 禁止攀登、高压危险!
C. 在此工作
D. 止步,高压危险!