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【单选题】
可用于浸泡金属器械的高效类消毒剂是A.
0.2%过氧乙酸
B.
5%碘伏
C.
2%戊二醛
D.
3%漂白粉溶液
E.
70%乙醇
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皮皮学刷刷变学霸
举一反三
【简答题】A．difficult B．different C．original D．previous
【单选题】When did the woman receive her password?
A.
During the previous week
B.
On the previous day
C.
In the morning
D.
In the afternoon
【简答题】A．old B．former C．history D．previous
【简答题】In previous times, when fresh meat was in ?In previous times, when fresh meat was in short _______, pigeons were kept by many households as a source of food. A) store B) provision ...
【简答题】This advertisement states the value of previous sales.
【简答题】A．present B．first C．recent D．previous
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