三尖瓣下移畸形的超声表现下列哪项是错误的()。
A.三尖瓣前瓣巨大
B.右房腔狭小
C.三尖瓣隔瓣位置下移>1cm
D.彩色多普勒显示明显的三尖瓣返流
E.右房腔巨大
参考答案:B
My most famous relative of all, _____ who really left his mark on America, was Reb Sussel,
my great-grandfather. [ ]
A. one
B. the one
C. he
D. someone
技术是用于完成特定系统的开发活动的。