下列哪个VPN不是IMS核心网部分用到的VPN?()
A.NGNMGNTVPN
B.ITVPN
C.NGNVPN
D.SoftswitchVPN
参考答案:D
句型转换(每空一词)。
1. Linda is going to Beijing with her parents next week. (对画线部分提问)
is Linda going to Beijing next week?
2. I'll be a teacher when I return to China.(改为同义句)
I'll be a teacher when I to China.
3. Ben is leaving for Tianjin this morning.(改为一般疑问句)
Ben for Tianjin this morning?
4. He is staying in Shanghai for a month.(对画线部分提问)
is he staying in Shanghai?
5. They had a good time in Hong Kong.(改为同义句)
They _ in Hong Kong.
饱和蒸汽压的大小,在数值上表示液体的()大小.