在光接入设备和协议转换器间采用()。
A、G.703通信协议
B、V.35协议
C、G.603通信协议
D、V.53协议
参考答案:A
Were all three people in the car injured in the accident? No,___ only the two passengers who got hurt.
A.it was
B.there is
C.it were
D.there was
依据记忆的性质表现形式,记忆可以分为()
A.形象记忆和动作记忆
B.情绪记忆和语词逻辑记忆
C.外显记忆和内隐记忆
D.短时记忆和长时记忆
E.形象记忆和内隐记忆