经常服易诱发痤疮的药物有（）。
A.碘化钾
B.三溴合剂
C.大量肾上腺皮质激素
D.灰黄霉素
E.异烟肼
参考答案：A, B, C, E
根据句意和首字母提示填空。
1. This kind of car is nice. but it's too e_______.
2. The food is d_______, we like it.
3. The river is c_______ and the grass is green.
4. We have two specials today, they are c_______ and nice.
5. She is a s_______, many people like her songs.
二尖瓣狭窄并发心律失常时，下列哪种心律失常最常见()
A．房性期前收缩
B．室性期前收缩
C．心房颤动
D．心房扑动
E．房室传导阻滞
