填制“运统1”记事栏时，未涂刷新车号的企业自备车代号为“（）”。
A.C
B.R
C.V
D.Z
参考答案：D
It was with great joy_____ he recieved the news ______ his lost daughter had been found.
A．when; which
B．that; that
C．because
D．which;that
在IPCC系统中哪个部件使得系统能够提供文字交谈、护航浏览等Web网上互动交互功能（）。
A.CCS
B.CTI Server
C.MailM
D.WebM
