题目内容：
音乐性杂音最常见于( )
A.二尖瓣狭窄
B.室间隔缺损
C.房间隔缺损
D.感染性心内膜炎
E.肺动脉瓣狭窄
参考答案：【答案仅供学习，请勿对照自行用药等】
选择题：音乐性杂音最常见于( )
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- 题目类型：选择题
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The word "gang" in the reading means______
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