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问题 单项选择题

鲁迅是中国现代最重要的作家，他笔下的许多人物都成为经典。如《祝福》中的（）、《故乡》中的（）、《药》中的（）、《伤逝》中的（）。

A.闰土华老栓子君祥林嫂

B.子君闰土华老栓祥林嫂

C.祥林嫂闰土华老栓子君

D.祥林嫂华老栓闰土子君

答案

参考答案：C

多项选择题

肾前性急性肾功能衰竭多由于（）

A.挤压综合征

B.失血性休克

C.大面积烧伤

D.脱水、血容量减少

E.感染中毒
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单项选择题

Frame Relay is simplified form of (71) ,similar in principle to (72) , in which synchronous, frames of data are routed to different destinations depending on header information. Packets are routed throught one or more Virtual Circuits known as (73) . Most Virtual Circuits are (74) ,which means that the network provider sets up all DLCI connections at subscription time. (75) are also part of the Frame Relay specification. They privide a link that only lasts only as long as the session.

A．Datagram Switching

B．Datagram Routing

C．Packet Switching

D．Packet Routing
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