在MGW网元中对接RNC需配置两条PVC，一条为AAL2信令，另一条为AAL5语音。
参考答案：错
—"Can you see that man?"
—"Yes. He is ______." [ ]
A. my mother friend
B. a friend to my mother
C. a friend of my mother's
D. friend of my mother
购销差价
