疏散通道、安全出口可以设置必要的防火门,但严禁安装铁栅栏。(易)
参考答案:对
The invention of steam engine greatly sped up the industrial revolution, which _____ a lot to the take-off of the world. [ ]
A. led
B. contributed
C. constructed
D. exposed
责任与个人在某种组织结构中承担的使命相关;职责则是一个主观的概念,它内涵着良知的自觉与自省,并以个人的()为基础。
A.良心
B.责任感
C.道义感
D.价值观