男性患者,70岁,突感心悸1天,心率140/min,节律不整,心电图示"房颤"。治疗首选()
A.缓释异搏定
B.心得安
C.西地兰
D.利多卡因
E.速尿
参考答案:C
It was not until the entrance exams were in sight that that I had so many books to cover and so many exercises to finish.
A.I realized
B.did I realize
C.had I realized
D.I had realized
制种田父母本行向一般要与开花期的风向垂直或成一定角度。