题目内容
(请给出正确答案)
[单选题]
用含有效氯浓度为()的消毒液对教室门框、门把手、水龙头、地面等进行擦拭消毒
A.500mg/L
B.1000mg/L
C.250mg/L
D.400mg/L
答案
A、500mg/L
如果结果不匹配,请 联系老师 获取答案
A.500mg/L
B.1000mg/L
C.250mg/L
D.400mg/L
A、500mg/L
A.250mg/L
B.300mg/L
C.500mg/L
D.1000mg/L
A.1000mg/L>5min
B.500mg/L>10min
C.300mg/L>30min
D.250mg/L>60min
A.10000mg/L,1
B.10000mg/L,2
C.20000mg/L,1
D.20000mg/L,2
A.300mg/L,5分钟
B.250mg/L,5分钟
C.300mg/L,10分钟
D.250mg/L,10分钟