心包叩击音最常见于下列何种疾病？A．大量心包积液 B．二尖瓣_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

心包叩击音最常见于下列何种疾病？

A．大量心包积液

B．二尖瓣狭窄

C．缩窄性心包炎

D．主动脉瓣关闭不全

E．右束支传导阻滞

答案

参考答案：C

选择题

____was known to us all that Johnson had broken his promise____he would give each of us a small gift.

A．As; which

B．What; that

C．It; that

D．It; which

填空题

风湿性疾病包括_______及__________，包括_________等的疾病。