问题
单项选择题
氧化碳灭火系统的气压强度试验的试验压力应为水压强度试验压力的( )倍。
A.0.4
B.0.6
C.0.8
D.1.0
答案
参考答案:C
氧化碳灭火系统的气压强度试验的试验压力应为水压强度试验压力的( )倍。
A.0.4
B.0.6
C.0.8
D.1.0
参考答案:C
选择下列词汇或短语完成下面对话,并在答题卡上将相应的字母编号涂黑。(共5分,每小题1分)
A: Have you ___________ 小题1:today’s Shenzhen Daily? B: Not _______ 小题2:What does it say? A: It says that a man was riding a motorbike ________小题3:the street when a truck hit him. B: oh, dear! Things _________ 小题4:this often happen in busy streets. How is the man now? A: He was ________小题5:to the hospital, but died two hours later. B: Poor man! |