一路2B+D接口包含2路B通道和1路D通道,B通道用来传用户业务信号,速率为(),D通道用来传用户线路信令,速率为16Kbit/s。
参考答案:64Kbit/s
按胸腹部位时,病人应采取的体位是()
A.俯卧位
B.仰卧位
C.侧卧位
D.截石位
E.仰坐位
Which is true about the speaker’s implication
A.I knew you have a key.
B.I’m sorry I locked the door.
C.I’m sorry I didn’t lock the door.
D.I didn’t know you have a key.