“我们来玩过家家吧!”“把这个借给我用一会儿行吗?”“这是我的,不给你玩!”儿童在游戏中出现的类似言语属于()
A. 伙伴之间的交际性语言
B. 角色之间的交际性语言
C. 以自我为中心的想象性独白
D. 互补性语言
查看答案
在流量一定条件下,雷诺数随着管径的增大而增大。
A. 正确
B. 错误
生产经营单位使用的危险物品的容器、运输工具,以及涉及人身安全、危险性较大的海洋石油开采特种设备和矿山井下特种设备,《安全生产法》有什么特殊要求?
A new floor has been added to the enterprise campus network, providing client access for desktop PCs, laptops, and IP phones for employees and guests. During verification, a few desktop PCs have limited corporate access but not Internet access. Most other desktop PCs, all laptops, and IP phones are working correctly. Additional information indicates that the desktop PCs are obtaining IP host addresses from the DHCP server, which is intended for only the IP phones. Where should troubleshooting about this connectivity issue be focused?()
A. DNS
B. first-hop redundancy protocol
C. DHCP server and options
D. VLAN mapping
E. client network configuration
F. routing protocol