为什么必须严格执行停送电制度?
参考答案:
必须严格执行谁停电、谁送电,停电挂牌制度并有专人看管,以防止发生误送电,造成触电事故。
---Why not come and join us in the game, Linda?
--- ______, but I have something to discuss with Mr. Smith at his office now.
A.Let’s go
B.I’d like to
C.Yes, please
D.It’s a pleasure
在密闭容器中进行如下反应: ,已知X2、Y2、Z的起始浓度分别为0.1mol/L、0.3mol/L、0.2mol/L,在一定条件下,当反应达到平衡时,各物质的浓度有可能是[ ]
A.Z为0.3mol/L
B.Y2为0.35mol/L
C.X2为0.2mol/L
D.Z为0.4mol/L