排水管道闭气试验时，地下水位应低于管外底（），环境温度为-15―50℃。下雨时不得进行闭气试验。 A.100mm 。 B.150mm 。 C.200mm 。 D.250mm。
You are the network administrator for The network consists of a single Active Directory domain All network servers run Windows Server 2003. A member server named TestKingSrv1 functions as the backup server. Every night, TestKingSrv1 performs a normal backup of all files on drive D:\ of all servers in the domain. Files are stored on magnetic tape. A new written company security policy states that all servers must be protected from registry corruption. You need to ensure that a current copy of the registry from every server on the network is automatically backed up daily on magnetic tape. What should you do?（） On TestKingSrv1, create a new backup job that runs every day. Configure the job to back up drive C:\ on every network server.。 On TestKingSrv1, select Options, and then select the Exclusions tab. Remove all exclusions for files of the Registry Writer application type.。 On each network server, start Registry Editor. On the File menu, select Export. Specify All as the export range. Export the registry to drive D:\.。 On each network server, configure a new backup job that runs every day. Configure the job to back up each server's System State data in a file on drive D:\.。
从裸岩开始的群落演替会经历哪些阶段？
电气工程施工安排时，不属于电气工程的施工程序是（） A.配合土建工程施工 。 B.电气交接验收 。 C.试通电 。 D.临时用电报批。
预备党员被取消预备党员资格后，已交的党费可以退还给本人。（）
创业团队的社会责任由经济责任、法律责任和（）组成。
