室性心动过速伴严重血流动力学障碍时，终止发作首选（） A.利多_爱下问搜题

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问题单项选择题

室性心动过速伴严重血流动力学障碍时，终止发作首选（）

A.利多卡因

B.普鲁卡因酰胺

C.美西律

D.电复律

E.人工起搏超速抑制

答案

参考答案：D

选择题

Julia became quite cross when Mike _____ up, for she had stood in the rain for half an hour waiting for him.

A. turned
B. would turn
C. was turning
D. had turned

填空题

生产上一般采用（）提高啤酒的非生物稳定性。