肝方叶与尾状叶的分界标志（）
A.静脉韧带
B.门静脉左支矢状段
C.门静脉左支横段
D.肝左静脉
E.肝圆韧带
参考答案：C
He fell off the bike ________.
A．while he rode
B．while he was riding
C．while he is riding
D．while on bike
参照图5.89和图5.90，为Server1网卡eth1配置Internet协议的属性参数。 IP地址： (2) 子网掩码： (3)
