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搜题
【单选题】
属于全身静脉麻醉药的是( )A.
氟烷
B.
麻醉乙醚
C.
氯胺酮
D.
利多卡
E.
甲氧氟烷
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皮皮学刷刷变学霸
举一反三
【单选题】Under no circumstances _______ the difficulties when they were on an expedition to the Antarctic．
A.
they gave way to
B.
did they give way to
C.
they had given way to
D.
had they given way to
【简答题】利用定积分求极限
【单选题】It was announced that only when the fire was under control _______ permitted to return to their homes.
A.
would villagers be
B.
villagers would be
C.
should villagers be
D.
villagers should be
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