某水电站工程,经批准的施工进度计划网络图如下图所示
施工中发生了以下事件:
事件1:A工作因设计变更停工10d;
事件2:B工作因施工质量问题返工,延长工期7d;
事件3:E工作因建设单位供料延期,推迟3d施工;
事件4:在设备管道安装气焊作业时,火星溅落到正在施工的地下室设备用房聚氨酯防水涂膜层上,引起火灾。
在施工进展到第120天后,施工项目部对第110天前的部分工作进行了统计检查。
统计数据见下表:
施工总承包单位可否就事件1~3获得工期索赔?分别说明理由。
An administrator wants to delete an account object using the Database Cleanup utility. Which of the following is the correct syntax to perform this task?() dbclean -object account -type obsolete -db dbname -days daysold。 dbclean -table account -type obsolete -db dbname -days daysold。 dbclean -object organization -type account -db dbname -days daysold。 dbclean -object user -type account -db dbname -days daysold。
Which of the following statements are FALSE concerning the defragfs command?() The defragfs command should not be run against file systems and logical volumes that contain mostly transitory information, such as /tmp.。 The defragfs command should not be run on a large JFS2 file system when running on a 32-bit kernel.。 The defragfs command can improve file system performance by increasing the file system’s contiguous free space.。 The defragfs command can only be run against file systems that are mounted with read-write permissions.。
Which command lists out the physical volume names as well as total/free PPs in volume group datavg?() lsdev -Cl datavg。 lsvpcfg datavg。 lspv -p datavg。 lsvg -p datavg。
What is the ratio of physical partitions to logical partitions in rootvg in a non-mirrored environment() 0。 1。 2。 3。
某日,甲于某小学放学之际,在校门前拦截了一名一年级男孩(7岁),以受该小学生父母委托带其回家为由,将其骗走,随即带该男孩到某个体商店,向商店老板购买价值5000余元的高档烟酒。在交款时,甲称未带够钱,将男孩留在商店,回去拿钱交款后再将男孩带走,商店老板以为男孩是甲的儿子便同意了,甲携带烟酒逃之夭夭。甲构成何罪?()