心左缘上段的结构是()
A.肺动脉段
B.左心室段
C.主动脉结
D.左心房段
E.上腔静脉
参考答案:C
-Thank you ever so much for the present you sent me.
- . [ ]
A. Please don't say so
B. It's not so good, I think
C. No, thanks
D. I'm glad you like it
甲状腺功能亢进内科治疗一般首选()
A.大剂量碘剂
B.普萘洛尔
C.甲苯磺丁脲
D.小剂量碘剂
E.阿苯达唑