脉来数而时有一止，止无定数，其脉是( )
A．促脉B．疾脉C．结脉D．动脉E．代脉
参考答案：A
.—Could you tell me ?
—Sure. Just go straight and turn left. You can see it on your right.
A．how I can get to the library
B．where can I find the library
C．how can I get to the library
D．where can I find the library
室分系统设计阶段引入的网络故障有（）
A.施主和重发隔离度不够
B.尾纤光纤损坏
C.功率预算不够覆盖不足
D.施主&主设备&重发天线选址不当
