诊断A．风心病联合瓣膜症二尖瓣窄漏并主动脉瓣狭窄 B．风心病联_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

诊断

A．风心病联合瓣膜症二尖瓣窄漏并主动脉瓣狭窄

B．风心病联合瓣膜症，二尖瓣狭窄并主动脉瓣狭窄

C．风心病联合瓣膜症二尖瓣窄漏并主动脉瓣关闭不全

D．风心病联合瓣膜症二尖瓣关闭不全并主动脉瓣狭窄

E．风心病联合瓣膜症二尖瓣窄漏并主动脉瓣窄漏

答案

参考答案：C

选择题

Jim is unhappy, do you know_____?

A．what he happened

B．what the matter is with him.

C．what happened to him

D．what did he happened

填空题

三、四系统一级振动筛型号（），二级振动筛型号（）。