辽宁喀左、北京房山发现了一批西周初期的燕国铜器，江苏丹徒也发现了西周初期宜国铜器。此材料有利于说明（）。 分封制加强了中央对地方控制。 分封制扩大了中原文化的影响。 西周燕国宜国冶铜业比较发达。 西周形成众星拱月的政治格局。
You are the network administrator for Company and you support the portable computer users. An Account Executive named Hildegard frequently travels to meet with customers and uses her portable computer to demonstrate the company’s new software products. Hildegard needs to update these products frequently so customers can evaluate the latest software releases. You need to allow Hildegard to install the product updates while limiting her ability to perform ther administrative duties on her portable computer. What should you do？ （） Add Hildegard’s user accounts to the Pre-Windows 2000 Compatible Access group.。 Add Hildegard’s user account to the local Power Users group.。 Allow Hildegard’s user account Full Control permission to the Program Files folder. Propagate the permissions to all the subdirectories and files in that directory.。 Allow Hildegard’s user account Write permissions to the Program Files folder. Propagate the permissions to all the subdirectories and files in that directory.。
神经递质
可使无效婚姻
You are an enterprise administrator for Cer-tech .com. All the servers on the network run Windows Server2008. The network consists of a server called Server01 that runs Microsoft Hyper-V and hosts three virtualmachines. To fulfill a network requirement， you need to configure all of the virtual machines to connect toeach other. However， the company policy states that the virtual machines must not connect to the companynetwork. Which of the following options would you choose to ensure that all the virtual machines connect to eachother and you meet the company policy also？（） Enable the Enable virtual LAN identification option for each virtual machine。 Enable the Enable virtual LAN identification option for each virtual machine and then set the connection to Host for the network interface card。 Set the Connection to None for the network interface card。 Select the Not connected option for each virtual machine.。
下列情形中，可以认定为工伤的有（）。
