半衰期30～36小时，最常用于口服的强心苷是（）
A.洋地黄毒苷
B.米力农
C.多巴酚丁胺
D.毒毛花苷K
E.地高辛
参考答案：E
卫生人力需求
________ in the traffic jam, she failed to catch the train, which mader her upset.
A．Catching
B．Having caught
C．To catch
D．Caught
