下列哪一种表现不属于单纯右心衰竭的体征()
A.三尖瓣关闭不全的反流性杂音
B.右侧胸水
C.肝颈静脉逆流征阳性
D.双下肢水肿
E.双肺满布中小水泡音
参考答案:E
Misunderstandings _____ from lack of social communication, unless _____ properly, may lead to serious
problems. [ ]
A. arisen; handling
B. arising; handled
C. rising; handled
D. risen; handling
下面对邻间隙的叙述,错误的是
A.正常情况下为龈 * * 所充满
B.为邻接点之下的龈外展隙
C.重度牙周病邻间,隙丧失
D.可防止水平性食物嵌塞
E.邻间隙过大可引起并发症