治疗损伤的首要原则是()。
A.抗感染
B.纠正水电解质紊乱
C.补充血容量
D.抢救生命
E.抗休克治疗
参考答案:D
Nobody knows the man killed in the accident, so it is difficult for the police to find out his _____.
A.identity
B.height
C.weight
D.thought
目前我国工业生产中最严重的职业危害之一是( )。
A.材料
B.蒸汽
C.气体
D.尘肺