气管哮喘发作期治疗的常用药物有()。
A.拟肾上腺素类
B.茶碱类
C.肾上腺素皮质激素类
D.抗胆碱能类
E.色甘酸二钠
参考答案:A, B, C, D
We were astonished __________the temple still in its original condition .
A finding B. to find C. find D.to be found
引起左心室前负荷增加的是()。
A.三尖瓣关闭不全
B.主动脉瓣狭窄
C.主动脉瓣关闭不全
D.心包炎
E.二尖瓣狭窄