下列哪项不符合主动脉瓣狭窄的临床表现
A．呼吸困难
B．心绞痛
C．晕厥
D．胸骨右缘第2肋间收缩期喷射性杂音
E．周围血管征
参考答案：E
-----________did your uncle leave his home town ?
----He ___________for nearly twenty years.
A．When , has left
B． When , has been away
C．How long , has left
D．How long , has been away
