【单选题】While he was trying to get through the crowd ,the passenger was taken away because security members found an explosive in his bag.
【简答题】While he was trying to get through the crowd, the passenger was taken away because security menbers found an explosive in his bag.
【单选题】He was trying to get a _____________ job.
【单选题】He was trying to get rid _______the pain in his head.
【判断题】首要公众是指决定组织生存和发展的公众,他们对组织的生存、发展与成败有着举足轻重的影响。( )
【单选题】Last Saturday, we visited ______house in the country. [ ]
【简答题】While he was trying to get through the crowd, the passenger was taken away because security members found an explosive ( ) in his bag.
【单选题】关于GPON和EPON的区别,下列说法正确的是哪个?
A.
GPON和EPON均采用单纤双向数据传输方式,其中EPON采用1490nm下行波长传输数据,GPON采用1550nm下行波长传输数据
B.
GPON协议标准由IEEE提出,EPON协议标准由ITU-T提出
C.
GPON使用扩展的OAM协议对ONU进行管理