用1:2水泥砂浆楼梯抹面,抹完24h后开始洒水养护,常温条件下不少于()天。
A、3
B、5
C、7
D、15
参考答案:C
应急预案培训的内容应包括:培训计划、方式和要求,使有关人员了解相关应急预案内容,熟悉应急职责、应急程序和()。
A、现场处置方案
B、可能发生事故的经济损失
C、相关人员的惩处标准
Diana bought a stereo for $530, which was the retail price plus a 6 percent sales tax. How much money could she have saved if she had bought the stereo at the same retail price in a neighboring state where she would have paid a sales tax of 5 percent ?()
A.$1.00
B.$2.65
C.$4.30
D.$5.00
E.$5.30