下列设施中，（）严禁明火烘烤或开水加热。
A、储气罐
B、氧气瓶
C、乙炔瓶
D、阀门
E、胶管
参考答案：A, B, C, D, E
It was always raining and the food was terrible. ________the holiday was very disappointing. [ ]
A. Together
B. Altogether
C. Absolutely
D. Eventually
锅炉水处理检验工作，包括（）
①水处理系统安装监督检验
②运行水处理监督检验
③停炉水处理检验
④水处理设备定期检验
A.②③④
B.①③④
C.①②④
D.①②③
