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【单选题】
无菌技术操作原则中,下列哪错误的A.
操作前半小时，停止清扫地面
B.
治疗室每日用紫外线消毒
C.
操作者口罩、帽子
D.
取无菌物品，用无菌钳
E.
取出的无菌物品未使用，应立即放回
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反馈参考答案：
举一反三
【单选题】We a science today.We an English class now. [ ]
A.
aren’t having ;are having
B.
aren’t have; have
C.
don’t have; are having
D.
don’t have; have
【单选题】We have an English class on Monday. , we don't have an English class on Thursday.
A.
But
B.
However
C.
Because
【简答题】A．When we are attending an English language course. B．When we are watching an interesting TV program. C．When we are enjoying the murmuring of a brook. D．When we are listening for a friend's voice in a...
【简答题】We are having an English class.
【单选题】We an English class now, and we a math class this afternoon.
A.
are having; will have
B.
will have; will have
C.
will have; have
D.
have; have
【单选题】按照化学渗透学说，驱动F 0 F 1 -ATP合酶合成ATP的力是______。
A.
跨线粒体内膜的膜电势
B.
跨线粒体内膜的化学势
C.
跨线粒体内膜的电化学势
D.
自身动力
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