题目内容
IIS(Internet Information Server)是微软公司推出的 [16] 服务器程序。安装Windows Server 2003时，将自动安装IIS并建立默认的站点．IIS只能运行在基于 [17] 技术的Windows平台上，因此不能在 Windows98或Windows ME上安装。IIS的安装步骤如下： (1)准备好Windows Server 2003安装光盘，放置于光盘驱动中。 (2)选择“开始”→“设置”→“控制面板”命令，打开“控制面板”窗口，然后再打开“添加/删除程序”对话框。 (3)单击 [18] 按钮，弹出“Windows组件向导”对话框。在这里，可以看到目标系统中已经安装和没有安装的各种Windows组件。目前打勾的选项是已经安装的组件，空白的是没有安装的组件，打勾但是颜色发灰的是部分安装的组件．这里将要安装的是“Internet信息服务(IIS)”。 (4)用鼠标选中 [19] ，然后单击右下角的 [20] 按钮。 (5)确认所有必需的组件前都已打勾后，单击“确定”按钮，返回到“添加/删除Windows组件”窗口，单击“下一步”按钮，这时安装程序开始从Windows安装光盘复制所需的文件到硬盘上。
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Enter the information age. Information is the raw material for many of the business activities (62) this new era, just as iron and steel were the basic commodities in the (63) of the industrial age.The world’s knowledge is said to be doubling every eight years. This knowledge (64) is stimulating economic progress. The need to collect, analyze, and communicate great (65) of information is producing new products and services, creating jobs, and (66) career opportunities.The information age is (67) considered to be a phenomenon of the service sector of the economy, (68) than a product of heavy industry. Certainly, rocketing information techno logics are creating new capabilities (69) knowledgebased service spheres. (70) changes just as dramatic are (71) industry, giving people the (72) to do challenging work in exciting new ways.Manufacturing is full (73) in the information age. From design to production, the manufacturing (74) has long been information-intensive. It always has required exacting communication to describe what goes into products and how to make them. Now, computer technology is giving factory, managers new (75) to gather all of this information and use it to control production.Telecommunications are producing error-free communication between the design office and the factory. Computer-aided design is enabling engineers to (76) product performances and manufacturing process on video displays, before resources are committed to build and test prototypes. Techniques like these are bringing (77) new advances in manufacturing productivity. Just as coal fueled the (78) to an industrial society, so microelectronics is powering the (79) of the information age. Microelectronic information management tools are (80) U.S. industrial capabilities, which remains (81) to America’s economic wellbeing and national security. (63) should choose （）
以下说法正确的是______。
IEEE 802.11a定义了使用红外、跳频扩频与直接序列扩频技术，IEEE 802.11b定义了使用直序扩频技术，传输速率为1Mbps、2Mbps、5.5Mbps与
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