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问题 单项选择题

成人主动脉瓣狭窄的外科治疗策略不包括（）

A.经皮球囊瓣膜成形术

B.自体肺动脉瓣-主动脉瓣置换

C.人工机械瓣置换

D.生物瓣置换

E.同种主动脉瓣置换

答案

参考答案：A

选择题

The editor gives Cindy some           . [ ]

A. advices and help

B. advice and helps

C. advices and helps

D. advice and help

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选择题

All at once, I noticed that my wife __________ to be filled with alarm.

A．appeared

B．came

C．turned

D．looked
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