右心衰最早出现的特异性体征为
A．肝大B．水肿C．发绀D．颈静脉怒张与肝静脉回流征阳性E．颈静脉怒张
参考答案：D
A number of books in the library ___been stolen so that the number of them___ smaller than before.
A．have , is
B．has , is
C．has , are
D．have, are
九针中的按摩工具为（）
A.圆针
B.大针
C.鐟
D.圆利针
E.铍针
