气血虚弱胎萎不长的首选方是
A．归脾汤B．肾气丸C．胎元饮D．寿胎丸E．举元煎
参考答案：C
-How ______ your vacation?
-It ______ pretty good.
A. was; was
B. were; was
C. did; was
D. did; were
关于BGP邻居建连的必备条件，描述错误的有（）
A.手工配置BGP邻居
B.两台邻居路由器间成功建立一条TCP连接
C.BGP邻居间交换链路状态信息
D.BGP邻居间必须配置MD5认证
