【单选题】I don’t know _________.
A.
what is the matter with him
B.
what the matter is with him
C.
what with him the matter is
D.
what the matter with him is
【判断题】对外贸易按商品形式与内容的不同分为货物贸易和服务贸易
【单选题】What is the matter with Ben?
【单选题】生活饮用水水质卫生标准是保证人民身体健康的重要手段,是饮水卫生工作、监督和评价的重要依据。因此,确定制定生活饮用卫生标准的原则非常重要。下列哪项不是制定生活饮用水水质卫生标准的原则
【单选题】I wanted to know _____. [ ]
A.
what is the matter with him
B.
what the matter is with him
C.
what was the matter with him
D.
what the matter was with him
【简答题】目前,即时通信系统通用的协议主要有______协议集和XMPP协议集两个代表。
【单选题】目前内部网关协议主要有路由信息协议和( )。
【简答题】电子邮件传输协议主要包括两个协议:()。
【简答题】EPC网络,控制面协议主要基于GTP-C和 Diameter,用户面主要基于()协议。