You are the administrator of an Active Directory domain. All servers run Windows Server 2003. All client computers run Windows XP Professional and are members of the domain.The domain contains a single DNS server named Server1. Root hints are enabled on Server1. Internet access for the company is provided by a Network Address Translation （NAT） server named Server2. Server2 is connected to the Internet by means of a permanent connection to the company’s ISP.Users report that they can no longer connect to http：//www.adatum.com. Users can connect to internal resources and to other Internet Web sites. You can successfully access http：//www.adatum.com from a computer outside of the corporate network.You need to ensure that the users can access http：//www.adatum.com. You must also ensure that users retain their ability to access internal resources. Which two actions should you perform？（） ["Disable Routing and Remote Access on Server2.","Create a root zone on Server1.","On all affected users’ computers， run the ipconfig \/flushdns command.","Configure all affected users’ computers to use the ISP’s DNS server.","Use the DNS console on Server1 to clear the DNS cache."]
尼可刹米是属于（） ["大脑兴奋药","延髓兴奋药","脊髓兴奋药","中枢抑制药"]
您有一台名为Computer1 的便携式计算机和一台名为Computer2 的台式计算机。两台计算机均运行 Windows 7。在Computer2 上，您通过使用“高级共享”功能创建一个名为Share1 的共享。您需要确保从 Computer1 连接到 Share1 时，会自动缓存您打开的文件。您应该怎么做？（） ["在 Computer1 上，修改“脱机文件”设置","在 Computer1 上，修改“用户配置文件”设置","在 Computer2 上，修改 Share1 的属性","在 Computer2 上，修改“家庭”或“工作”网络配置文件的文件共享连接设置"]
当投标报价有算术错误的，评标委员会对投标报价进行修正的原则是（） ["投标文件中的大写金额与小写金额不一致的，以小写金额为准","总价金额与依据单价计算出的结果不一致的，以总价金额为准修正单价","对不同文字文本投标文件的解释发生异议的，以中文文本为准","评标委员会可接受投保人主动提出的澄清、说明或补正"]
炼钢转炉在氧枪插入口与散状料加入口设有密封结构件，并通入氮气以隔绝空气。汽化冷却器（或余热锅炉）将煤气温度从1450~1600℃降到（）℃左右。 ["1000","900","800","500"]
简述Alpha通道的含义。
