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
参考答案:C
—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
What ______ in the middle of the film? [ ]
A. was happen
B. does happen
C. did happen
D. happened