5T系统中探测站以上的网络通信统一采用（）协议。
A.SMTP
B.FTP
C.HTTP
D.TCP/IP
参考答案：D
You must remember _________ .
A．what your teacher said
B．what did your teacher say
C．your teacher said what
D．what has your teacher said
为观察肾的分泌、排泄功能，应做的检查是（）
A.逆行肾盂造影
B.静脉肾盂造影
C.口服胆囊造影
D.静脉胆道造影
E."T"管造影
