用于治疗心原性哮喘的药是:
A.多巴胺
B.异丙肾上腺素
C.沙丁胺醇
D.吗啡
E.麻黄碱
参考答案:D
The president spoke at the business meeting for nearly an hour without _________ his notes.
A.bringing up
B.referring to
C.reacting to
D.trying on
全身用药抗炎作用最强,作用持续时间最长的糖皮质激素是()。
A.米托坦
B.地塞米松
C.可的松
D.氟轻松
E.甲泼尼松