下列关于选区“羽化”命令说法正确的是（） [" “羽化”最大值可以设定为：250像素"," “羽化”最大值可以设定为：255像素"," “羽化”最小值可以设定为：0.1像素"," “羽化”最小值可以设定为：0.2像素"]
一般常把低升式安全阀用于（） ["汽包","过热器","省煤器"]
Your network contains a server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Server1 is configured as shown in the following table. Disk1 fails. You remove Disk1 from the computer and replace it with a 250-GB basic disk named Disk2. You open the Disk Management snap-in and remove Disk1 from the mirrored volume. You are unable to add Disk2 to the mirrored volume. You need to ensure that you can add Disk2 to the mirrored volume for drive C. What should you do? （） [" Convert Disk2 to a dynamic disk."," On Disk2, create a 160-GB simple volume."," From the Action menu, select Rescan disks."," Replace Disk2 with another disk that is the same size as Disks."]
单向应力
下列哪些内容能够添加图层蒙版？（） [" 图层序列（Set）"," 文字图层"," 透明图层"," 背景图层"]
投标报价策略可分为（）、竞争型策略和赢利型策略。
