下列哪项不出现P亢进()
A.单纯肺动脉扩张
B.原发性肺动脉高压
C.心房间隔缺损
D.单纯肺动脉口狭窄
E.室间隔缺损
参考答案:D
—Judy, your speech is excellent!
—___________.
A.Oh no
B.Thanks a lot
C.It doesn’t matter
D.It’s nothing
连接中耳和咽部的管道是()
A.蜗管
B.咽鼓管
C.前庭阶
D.鼓阶
E.鼓室