题目内容

二尖瓣关闭不全的超声心动图特点不包括（）

A. 左心房、左心室增大
B. 二尖瓣脱垂者可见收缩期瓣膜脱人左心房
C. 室壁运动增强
D. M型超声心动图见二尖瓣城墙样改变
E. 多普勒检查于左心房侧可测及二尖瓣瓣口的返流信号

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肠内营养的并发症（）

Why does common man in England seem to be as accurate-or as inaccurate-as the weatherman in his prediction？

A. Because the weather in English is SO variable．
Because the common man in England has as much knowledge about weatheras the weatherman．
C. Because by lunch time there could be thunder and lightening in England
D. Because English weather always defies forecast

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