【单选题】发音时,发音部位的某两个部分靠近形成缝隙,气流从缝隙挤出的音叫
【多选题】当今世界百年未有之大变局的现实状况主要表现在以下哪两个方面( ) ?
【单选题】在OSI参考模型中,上层协议实体与下层协议实体之间的逻辑接口叫做服务访问点(SAP)。在Internet网中,目的地址106.248.59.37是()的服务访问点。
【多选题】当今世界百年未有之大变局的现实状况主要表现在以下哪两个方面( )?
【单选题】What can the SART’s audible tone monitor be used for ? It can be used to .
A.
inform survivors that a nearby vessel is signaling on DSC
B.
inform survivors when the battery’s charge condition has weakened
C.
inform survivors that assistance may be nearby
D.
inform survivors when the SART switches to the standby mode
【单选题】在OSI参考模型中,上层协议实体与下层协议实体之间的逻辑接口叫做服务访问点(SAP)。在Internet数据帧中,目的地址“00-0F-78-1C-60-01”属于(4)的服务访问点。
【单选题】在OSI参考模型中,上层协议实体与下层协议实体之回的逻辑接口叫做服务访问点(SAP)。在Internet数据帧中,目的地址“000F781C6001”属于(17)的服务访问点。
【单选题】在OSI参考模型中,上层协议实体与下层协议实体之间的逻辑接口叫做服务访问点(SAP)。在Internet数据帧中,目的地址“0x000F781C6001”属于(10)的服务访问点。
【简答题】• Situation: You are supposed to introduce metro station equipment for a foreigner. What is it? What is it used for? How can it be used? You should tell passengers about that. You may introduce the eq...
【单选题】What may be the reason for Simpson's quitting his job?
A.
He's not satisfied with his salary.
B.
He didn't enjoy the job.
C.
He used to enjoy it, but now he doesn't.