isdn b信道速率是()
A.16kbps
B.64kbps
C.144kbps
D.2048kbps
参考答案:B
在“建设节约型社会”的今天,下列做法不符合这种精神的是 [ ]
A.电视机只用遥控器关机而未断开电源
B.使用高效节能型的用电设备
C.离开房间时,随手关灯
D.夏季用空调时,把设定温度适当提高
No decision______about any future appointment until all the candidates have been interviewed.
A. will be madeB. is madeC. is beingD. has been made