智力三元理论是由美国心理学家()提出的,它认为存在三种基本智力模型,分别是分析型智力、实用型智力和创造型智力。
参考答案:斯腾伯格
第四象限的点P(x,y),满足|x|=5,y=-3,则点P的坐标是______.
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.
15()
A.analyze
B.parse
C.delete
D.create