配电装置排列长度超过()m时,盘后应有两个通向本室或其他房间的出口,并宜布置在通道的两端。
A.6
B.10
C.14
D.18
参考答案:A
Many young people believe that war is stupid and unnecessary. To them, to lose one's life on the battlefield is ______ .
A.glorious
B.futile
C.heroic
D.courageous
一小时平均浓度限值