男性,70岁。因患急性广泛前壁心肌梗死合并心源性休克急诊住院治疗,下列哪一药物为首选()
A.多巴酚丁胺
B.硝普钠
C.吗啡
D.多巴胺
E.速尿
参考答案:D
It is universally that dogs have a good sense ofsmell.
A.acknowledged
B.acknowledging
C.to be acknowledged
D.knowledge
熊彼特周期是一种长周期。