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问题：
[多选] 若想获得数码图像，一般都是通过数码相机拍摄或是利用扫描仪扫图片。下列关于使用扫描仪的介绍哪些是正确的（）
A . 接好扫描仪后，打开Photoshop后可以直接扫描图像，不用安装驱动程序
B . 可以从任何具有 Photoshop 兼容增效工具模块的扫描仪或支持 TWAIN 接口的扫描仪中直接导入扫描的图像
C . 必须安装 TWAIN 设备及其软件并重新启动计算机，才能使用它将图像导入到 Photoshop 和 ImageReady 中
D . 为了确保获得高品质的扫描效果，您应预先确定图像要求的扫描分辨率和动态范围
当代教育学有哪些特征？
数据访问页是直接链接到（）的一种Web页，可以在（）中调用数据访问页。
You are a help desk technician for your company. The company network consists of a single Active Directory domain. All client computers run Windows XP Professional. The help desk technicians use Remote Assistance to remotely control user sessions to provide online support to users. The users currently use Microsoft Exchange and Microsoft Outlook to submit Remote Assistance invitations to the help desk technicians. Stephen is a user in the sales department. Stephen has a portable computer and frequently travels to customer locations. While Stephen is in the corporate office, he submits a Remote Assistance invitation to the help desk. When you attempt to answer the invitation and establish the Remote Assistance session, you receive the error message shown in the exhibit. You verify that Stephen's computer is connected to the network and that he did not cancel the invitation. You also verify that the invitation did not expire. You do not experience similar problems when establishing Remote Assistance sessions with other computers. You need to be able to establish a Remote Assistance session with Stephen's computer. What should you do?（） Enable the Remote Desktop service definition in Internet Connection Firewall (ICF) on Stephen's computer.。 Add your user account to the Remote Desktop Users list on Stephen's computer. 。 In the System properties of Stephen's computer, select the Allow users to connect remotely to this computer option, and add your user account to the list of allowed users. 。 In the Local Security Policy of Stephen's computer, grant your user account the Allow logon through Terminal Services user right.&e。
Your network contains an Active Directory forest. All domain controllers run Windows Server 2008. You have an Exchange organization that consists of the servers shown in the following table. You plan to implement moderated transport for distribution groups in the organization. You need to recommend changes to the organization to support the planned implementation. What should you recommend？（） Upgrade Server3 to Exchange Server 2010.。 Install Windows Server 2008 R2 global catalog servers.。 Replace all distribution groups with dynamic distribution groups.。 Use Server4 as the expansion server for all moderated distribution groups.。
企业文化中的核心是（） 物质层文化。 精神层文化。 制度层文化。 企业家想法。
若想获得数码图像，一般都是通过数码相机拍摄或是利用扫描仪扫图片。下列关于使用扫描仪的介绍哪些是正确的（）
