设下列乘式中的字母为数字,每个空格处都应有这些字母中的一个相对应的字母,问当乘式成立时,各字母应为何数。
⑦=()
A.2
B.4
C.7
D.0
参考答案:D
John was presented with his award at a ceremony which recognized the bravery of ten people小题1: had saved the life of another. John was studying in the room 小题2: he heard screaming. When he and his father rushed outside, a man ran from 小题3: scene. They discovered that Anne Slade, mother of three, had been cut 小题4: (repeat) with a knife. She was lying in her front garden 小题5: (bleed) very heavily. Her hands had almost been cut 小题6: .
It was John’s quick action and knowledge that saved Ms Slade’s life. He immediately asked many people 小题7: bandages, but when nobody could put 小题8: hands on any, his father got some tea towels and tape from their house. John used these to dress the most severe injuries to Ms Slade’s hands. He slowed the bleeding by applying pressure to the wounds 小题9: the police and the ambulance arrived.
“I’m proud of what I did, but I was just doing what I 小题10: (teach),” John said.
以下关于PRA,下面说法错误的是()。
A.SPM只支持网络侧,不支持用户侧;
B.PRA用户的路由选择码和被叫号码分析表中的路由选择码要一致;
C.PRA的呼入呼出权都是通过PRA中继群的缺省号码的呼入呼出权来实现的;
D.PRA中继群的计费是通过PRA中继群的计费属性来实现的。