在鼓风机后的焦炉煤气系统，应设泄爆装置，设自动的连续式氧含量分析仪，煤气含氧量达（）时报警，达（）时切断电源。 0.6%，1%。 1%，2%。 2%，5%。
You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2).You need to implement a backup schedule on Server1 to meet the following requirements:·Everyday, back up all files and folders to disk.·Every Friday, back up all files and folders to tape.·Every Sunday, Tuesday, and Thursday, back up only the files and folders that have changed since theprevious Friday’s backup to tape.Which backup jobs should you create?（） ·a normal backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday, and Thursday。 ·a normal backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday, and Thursday。 ·a copy backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday and, Thursday。 ·a copy backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday and, Thursday。
人本主义学派的代表人物是（），他提出了“非指导式游戏治疗”。 罗杰斯。 哈葛·赫尔玛斯。 勒温。 索格莫。
产犊指数
小区种植鉴定管理的要求包括（） 多施肥保证高产。 多施除草剂保证杂草影响。 加强管理保持品种的特征特性。 多施农药保证无病虫害。
索引在Photoshop中，几乎所有对话框中的“取消”按钮在键盘中按下（）键后都会变成“复位”按钮，如“亮度/对比度”对话框的前后对比。
