室外消防用水量超过30L/s的工厂、仓库的消防用电,应按()供电。
A.一级负荷中特别重要的负荷
B.一级负荷
C.二级负荷
D.三级负荷
参考答案:C
食品生产车间墙壁应用瓷砖或其他防腐蚀材料修成多高的墙裙()
A.3m
B.1.5m2
C.1/100~1/50
D.1.0m
E.1.5m
At last the poor man had to give up. He found __________ no use begging for more.
A.it
B.this
C.that
D.himself