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【单选题】
患者女性，30岁，欲行剖腹产手术，术前给患者留置尿管，导尿为无菌操作，以下属于无菌区的定义的是( )A.
放置无菌物品的区域
B.
经过灭菌处理的区域
C.
未经灭菌处理的区域
D.
灭菌处理后被污染的区域
E.
经过灭菌处理而未被污染的区域
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反馈参考答案：
举一反三
【简答题】具有‘独木成林’之称的树种是 ——
【简答题】A．fought for B．fighting for C．fought D．fighting
【单选题】Fierce fighting broke out between the ________ groups.
A.
outward
B.
visual
C.
irrational
D.
rival
【简答题】Both sides have been ________________ their positions after yesterday's fierce fighting. (reinforce)
【单选题】— Are the tigers _____________? — No, they _____________. [ ]
A.
fighting, don't
B.
fighting, aren't
C.
fight, can't
【单选题】Fierce fighting broke out between the( )groups.
A.
friendly
B.
rival
C.
beloved
D.
intimate
【单选题】After a day's fierce fighting, the enemy finally had to remove their troops from the occupied area.
A.
retreat
B.
return
C.
dismiss
D.
withdraw
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