经皮瓣膜球囊扩张术治疗
A．主动脉瓣关闭不全
B．主动脉瓣狭窄
C．二尖瓣关闭不全
D．二尖瓣狭窄
E．心包钙化
参考答案：D
根据上下文和首字母提示，补全下列单词。
1. My pens and books are in my b______.
2. I don't have a pencil s______. Do you have one, Tom?
3. Do you have a n______? You can take notes (记笔记) in it.
4. This is my phone number. You can c______ me.
5. What's this i______ English?
改变上市药品给药途径的药品属于
A．新药B．非处方药C．处方药D．国家基本药物E．基本医疗保险用药
