施工图设计交底的目的是设计单位向施工单位和监理单位进行()和说明。
A.设计图样的交接
B.施工和监理任务的部署
C.质量目标的分解落实
D.设计意图的传达
参考答案:D
清热凉血,利尿通淋,解毒疗疮的药物是()。
A.石膏
B.白薇
C.栀子
D.芦根
E.胡黄连
Networks can be interconnected by different devices in the physical layer networks can be connected by (71) 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 (72) ,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 (73) network layer,the router may be able to translate betweenthe 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 (74) .As an example,gateways between Internet e-mail and X,400 e-mail must (75) thee-mail message and change various header fields.
A.special
B.dependent
C.similar
D.dissimilar