临时人工心脏起搏用于（）
A.溶栓后出现室早二联律
B.室颤
C.室性心动过速
D.Ⅲ°房室传导阻滞
E.Ⅰ°房室传导阻滞
参考答案：D
— I am really surprised that a policeman in his car _____ have hit several common pedestrians, killing
one and injuring three.
— Yes, If one _____ ask for trouble, what can we say?[ ]
A. would, will
B. must, may
C. should, must
D. need, dare
他项权（租赁）变更登记定义是什么？
