![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
卫生洁具可用有效氯500mg/L的含氯消毒剂浸泡或擦拭消毒,作用()分钟后,清水冲洗干净
A.10
B.15
C.30
D.20
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
C、30
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.10
B.15
C.30
D.20
C、30
A.对各类生活,对各类学习,工作场所,主要是,加强通风换气,每日通风不少于一次,每次不少于30分钟
B.加强对高频接触的物体表面清洁消毒,定期每天用有效氯250~500mg/L的含氯消毒剂进行擦拭消毒并记录
C."三餐两点"前对儿童就餐桌面常规消毒
D.卫生洁具可用含卤消毒剂(500mg/L)浸泡或擦拭消毒,作用30分钟后,清水冲洗干净,晾干待用
A.500mg/L 60min
B.1000mg/L 30min
C.500mg/L 30min
D.2000mg/L 60min
A.250~500mg/L
B.300~600mg/L
C.500~1000mg/L
D.500~1500mg/L
A.10mg/L~20mg/L
B.250mg/L~500mg/L
C.1000mg/L~2000mg/L