水泥胶砂试件养护时，每个养护池中只能养护同类水泥试块，应随时加水并保持水位恒定，并不允许养护期间全部换水。
You have a DHCP server that runs Windows Server 2008. You restore the DHCP database by using a recent backup. You need to prevent DHCP clients from receiveing IP addresses that are currently in use on the network. What should you do？（） Add the DHCP server option 15。 Add the DHCP server option 44。 Set the Conflict Detection value to 0。 Set the Conflict Detection value to 2。
已提足折旧的固定资产不再提取折旧。
Your company has an Active Directory domain named contoso.com. The company network has two DNS servers named DNS1 and DNS2. The DNS servers are configured as shown in the following table. DNS1 DNS2 _msdcs.contoso.com contoso.com .(root) _msdcs.contoso.com contoso.com Domain users, who are configured to use DNS2 as the preferred DNS server, are unable to connect to Internet Web sites. You need to enable Internet name resolution for all client computers. What should you do（） Create a copy of the .（root） zone on DNS1.。 Update the list of root hints servers on DNS2.。 Update the Cache.dns file on DNS2. Configure conditional forwarding on DNS1.。 Delete the .（root） zone from DNS2. Configure conditional forwarding on DNS2.。
简述强化管理的原则。
据《上海县志》记载，嘉靖时上海县“外内有事，田家妇女亦助农作，镇市男子亦晓女红”；《浙江通志》亦云，万历时嘉善县“纺织为纱，织之为布者，家户习为恒业……男妇或通宵不寐”。材料反映出（）。
