二尖瓣狭窄时,X线左前斜位表现可表现()。
A.左主支气管上抬
B.左心缘变直
C.右心缘有双心房影
D.右心房增大
E.主动脉结缩小
参考答案:A
The report said a bus went out of ____ control in the highway _____ south of the city and rushed into the river.
A.the; the
B./; the
C.the; /
D./; /
甲亢治疗方法中,哪种最易引起甲状腺功能减退()
A.甲基硫氧嘧啶
B.他巴唑
C.放射性碘治疗
D.手术切除甲状腺
E.以上均不是