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[单选题]
消毒地面可使用含氯消毒剂有效氯浓度为()用拖布湿式拖拭,作用钟
A.150 mg/L~300 mg/L
B.200 mg/L~400 mg/L
C.250 mg/L~500 mg/L
D.300 mg/L~800 mg/L
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C、250 mg/L~500 mg/L
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.150 mg/L~300 mg/L
B.200 mg/L~400 mg/L
C.250 mg/L~500 mg/L
D.300 mg/L~800 mg/L
C、250 mg/L~500 mg/L
A.2米
B.10000mg/L含氯消毒剂
C.1米
D.2000mg/L含氯消毒剂
A.用干毛巾覆盖后喷洒10000mg/L含氯消毒剂至湿润
B.污物污染的台面和地面应及时消毒
C.可用含有效氯浓度为1000mg/L~2000mg/L的含氯消毒剂充分擦拭或拖拭,消毒范围为呕吐物周围2米,2遍
D.人体皮肤接触环境应在消毒作用2小时后用清水洗净
A.10
B.20
C.30