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问题 不定项选择

自认一旦有效作出，当事人便不得再就所承认的事实进行争执，也不得任意撤销。这是由当事人该类诉讼行为的有效性所决定的，也是诉讼中（）原则的体现。

A．禁止反言 

B．禁止撤诉 

C．撤诉有效 

D．诉讼中止

答案

参考答案：A

单项选择题

Networks can be interconnected by different devices. In the physical layer, networks can be connected by (41) or hubs, which just move the bits from one network to an identical network. One layer up we find bridges and switches, which operate at data link layer. They can accept (42) , examine the MAC address, and forward the frames to a different network while doing minor protocol translation in the process. In the network layer, we have routers that can connect two networks. If two networks have (43) network layer, the router may be able to translate between the packet formats. In the transport layer we find transport gateway, which can interface between two transport connections. Finally, in the application layer, application gateways translate message (44) . As an example, gateways between Internet E-mail and X.400 E-mail must (45) the E-mail message and change various header fields.

A．special

B．dependent

C．similar

D．dissimilar
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判断题

职业生涯管理一般由组织来承担，是由组织对职业生涯的设计、职业发展的促进等一系列活动的总和。
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