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【单选题】
在无菌技术操作原则中,预防交叉感染的关键措施是( )。A.
操作区域要清洁、宽敞
B.
取无菌物品时，必须使用无菌持物钳
C.
一套无菌物品只能供一个患者使用
D.
无菌物品与非无菌物品分别放置
E.
无菌物品疑有污染不可再用
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皮皮学刷刷变学霸
举一反三
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A.
card
B.
form
C.
note
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【单选题】He has _______the cup ______water.
A.
fills ; with
B.
filled; of
C.
filled; with
D.
fill; of
【单选题】His eyes ______ tears when he listened to the sad story.
A.
are filled with
B.
are filled of
C.
were filled with
D.
were filled of
【简答题】在同一种媒体中传输信号时,如果信道长度固定,为了增加传输容量,不可能通过减少 ___________来解决,而只能通过增加_____ 来实现。
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