钨极氩弧焊时，引弧与熄弧应注意什么？
专业技术人员心理调适愿景包括（） ["生活态度积极，热爱生活","自我期望适度，心态良好","环境适应强","生活态度积极，热爱生活","人格健全，拥有稳定而愉快的情绪"]
公司有一台名为Server1的服务器，运行Windows Server 2008和Microsoft Hyper-V。Server1承载着3个虚拟机。公司策略规定，虚拟机不得连接公司网络。您需要将所有虚拟机配置为相互连接。您必须遵守公司策略。应该执行哪两个操作？（） ["选择每个虚拟机的“未连接”选项。","启用每个虚拟机的“启用虚拟 LAN 标识”选项。","将网络接口卡的“连接”设置为“主机”。","将网络接口卡的“连接”设置为“无”。"]
You are the network administrator for Tailspin Toys. The company has a main office and two branch offices. The network in the main office contains 10 servers and 100 client computers. Each branch office contains 5 servers and 50 client computers. Each branch office is connected to the main office by a direct T1 line. The network design requires that company IP addresses must be assigned from a single classful private IP address range. The network is assigned a class C private IP address range to allocate IP addresses for servers and client computers. Tailspin Toys acquires a company named Wingtip Toys. The acquisition will increase the number of servers to 20 and the number of client computers to 200 in the main office. The acquisition is expected to increase the number of servers to 20 and the number of client computers to 200 in the branch offices. The acquisition will also add 10 more branch offices. After the acquisition， all branch offices will be the same size. Each branch office will be connected to the main office by a direct T1 line. The new company will follow the Tailspin Toys network design requirements. You need to plan the IP addressing for the new company. You need to comply with the network design requirement. What should you do？（） [" Assign the main office and each branch office a new class A private IP address range. "," Assign the main office and each branch office a new class B private IP address range."," Assign the main office and each branch office a subnet from a new class B private IP address range."," Assign the main office and each branch office a subnet from the current class C private IP address range."]
在煤气设备内作业所用的照明电压不得高于（）V。 ["36","12","24"]
单击右上角的（）按钮，可以打开关联菜单。
