搜题请搜索小程序“爱下问搜题”
问题 单项选择题

建筑工程质量事故，是指建筑工程质量不符合规定的（）或设计要求。

A.验收标准

B.质量标准

C.规范要求

D.进度要求

答案

参考答案：B

解析：建筑工程质量事故，是指建筑工程质量不符合规定的质量标准或设计要求。

单项选择题

Networks can be interconnected by different devices. In the physical layer, networks can be connected by (11) 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 (12) ,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 (13) 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 (14) . As an example, gateways between Internet e-mail and X.400 e-mail must (15) the e-mail message and change various header fields.

A. framesB. packets C. packages D. cells
查看答案
单项选择题

“宣可去壅”，属于宣剂的是（）

A．麻黄汤

B．大承气汤

C．定喘汤

D．瓜蒂散

E．枳实薤白桂枝汤
查看答案