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问题 选择题

有学者说太平天国运动开启了中国近代民主革命的序幕，得出这一结论的依据是

A．颁布实行《天朝田亩制度》

B．建立与清政府相抗衡的 * *

C．提出推翻清朝的专制统治

D．进行了反封建反侵略的斗争

答案

答案：D

单项选择题

Networks can be interconnected by different devices in the physical layer networks can be connected by (1) 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 (2) examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process in me network layer, we have routers that can connect two networks, If two networks have (3) network layer, the router may be able to translate between the packer 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 (4) . As an example, gateways between Internet e-mail and X.400 e-mail must (5) the e-mail message and change various header fields.

A．syntax

B．semantics

C．language

D．format
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单项选择题

按照药性升降浮沉理论，具有升浮药性的药是

A．平肝息风药
B．重镇安神药
C．开窍药
D．清热药
E．泻下药
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