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【单选题】
用漂白粉消毒排泄物的常用浓度是：
A.
1%
B.
2%
C.
5%
D.
10%
E.
0.5%
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举一反三
【单选题】Every year more than half a million American kids have drainage(排泄) tubes surgically implanted in their ears to combat persistent infections. The procedure, known as tympanostomy, may not be as (62) a...
A.
[A] feeling [C] health
B.
[B] hearing [D] memory
【单选题】Section BDirections: There are 2 passages in this section．Each passage is followed by some questions or unfinished statements．For each of them there are four choices marked A, B, C and D．You should de...
A.
could not easily be absorbed by the human body
B.
were potentially harmful to people's health
C.
were too expensive for daily consumption
D.
could not provide any cure for vitamin deficiencies
【单选题】周先生.48岁,诊断为“肺结核”消毒其床头相应用
A.
日光曝晒4h
B.
臭氧天菌灯照射20min
C.
含有效氯0.2%的消毒液喷洒60min
D.
含有效氯0.2%的消毒液擦拭15min
E.
84消毒液擦拭5min
相关题目：
【单选题】Every year more than half a million American kids have drainage(排泄) tubes surgically implanted in their ears to combat persistent infections. The procedure, known as tympanostomy, may not be as (62) a...
A.
[A] feeling [C] health
B.
[B] hearing [D] memory
【单选题】Section BDirections: There are 2 passages in this section．Each passage is followed by some questions or unfinished statements．For each of them there are four choices marked A, B, C and D．You should de...
A.
could not easily be absorbed by the human body
B.
were potentially harmful to people's health
C.
were too expensive for daily consumption
D.
could not provide any cure for vitamin deficiencies
【单选题】周先生.48岁,诊断为“肺结核”消毒其床头相应用
A.
日光曝晒4h
B.
臭氧天菌灯照射20min
C.
含有效氯0.2%的消毒液喷洒60min
D.
含有效氯0.2%的消毒液擦拭15min
E.
84消毒液擦拭5min
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