Photoshop中在位图模式中为黑色的像素，在灰度模式中经过编辑后可能会是灰色。如果像素足够亮，当转换回位图模式时，它将成为白色。
You are the network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. You need to update six high-visibility servers with critical updates by using Windows Server Update Services （WSUS）. You approve all of the updates.You need to ensure that the updates are applied within one hour. What should you do？（） On the WSUS server， type the gpupdate /force command at the command prompt.。 On the WSUS server， type the wuauclt /detectnow command at the command prompt.。 On each of the six servers， type the gpupdate /force command at the command prompt.。 On each of the six servers， type the wuauclt /detectnow command at the command prompt.。
施工质量管理是指工程项目在（）阶段，指挥和控制工程施工项目组织关于质量的相互协调的活动。 设计准备和施工安装。 施工验收和动用开始。 施工安装和施工保修。 施工安装和施工验收。
You need to design access to Microsoft Outlook Web Access for remote users. What should you do？（） Place all user mailboxes on back-end servers. Deploy Outlook Web Access on three front-end servers that are members of the Network Load Balancing cluster。 Place all user mailboxes on back-end servers that are members of a Network Load Balancing cluster. Deploy Outlook Web Access on the back-end servers。 Place mailboxes for remote users on one back-end server and place all mailboxes for main office users on another back-end server. Deploy Outlook Web Access on the back-end server that contains the mailboxes for remote users。 Place all user mailboxes on two back-end servers that are members of a Network Load Balancing cluster. Place mailboxes for remote users and mailboxes for main office users into separate storage groups. Deploy Outlook Web Access on three front-end servers. Configure the front-end servers to access only the back-end Network Load Balancing cluster。
采用分相接线的高压电流互感器二次侧（）接地。 K1。 K2。 任一点。 不要。
钢材的力学性能主要包括（）。
