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问题 单项选择题 A1/A2型题

高钾血症伴发心律失常时，应如何？（）

A.静脉注射碳酸氢钠

B.静脉注射胰岛素+葡萄糖

C.静脉注射乳酸钠

D.静脉注射葡萄糖酸钙

E.以上都不是

答案

参考答案：C

选择题

—Who left the door open?

— Oh, sorry. I _____ the door.

A．ought to lock

B．should lock

C．ought to have locked

D．could lock
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选择题

What ______ in the middle of the film? [ ]

A. was happen

B. does happen

C. did happen

D. happened

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