当业务登记者(签约客户)停机时,该业务进入保留期,暂停该客户所绑定固定电话号码的17951移动IP直通车。并在主叫拨号时播放相应提示音。保留期为()天。
参考答案:90
We have a new house.It has blue windows and a red door.There is a big garden in front of the house.There are many flowers in it.They are red, yellow, pink and white.We have a dog and a cat now.The dog’s name is Brownie.She is brown and yellow.The cat’s name is Tabby.He is black and grey.They are lovely.Dad, Mum, Brownie, Tabby and I are a happy family.
小题1:What color are the windows?
A.Blue
B.Yellow
C.Red
D.Brown小题2:Is the garden big?
A.No,It isn’t
B.Yes,It is
C.It’s small.
D.I don’t know.小题3:Tabby is ____________.
A.black and white
B.brown and yellow
C.a dog
D.a cat小题4:In Chinese “lovely” means _____________.
A.讨厌的
B.懒的
C.可爱的
D.辛苦的小题5:There are ____________ people in Ben’s family.
A.Five
B.Two
C.Three
D.Four
采用人工变量法时,若基变量中出现了()的人工变量,表示在原问题有解。