必须坚持（）的和平外交政策，不断提高应对国际局势和处理国际事务的能力。 自力更生。 和平共处。 独立自主。 自立为主，外援为辅。
在客户端与流媒体服务器之间建立一条单独的数据通道，从一台送出的每一个数据包只能传送给一个客户机，这种传送方式称为（）。
加大视觉元素之间层次感的方法有（） 大小对比。 色彩对比。 距离对比。 位置对比。
对能计量的措施项目，编制措施项目清单时，下列哪一项属于无需列出的内容（）。 A.项目编码 。 B.项目特征 。 C.工作内容 。 D.计量单位。
You administer a Windows 2000 Professional desktop computer. TKPrinter1 is a printer used by the engineering and research departments. The printer is shared from the Windows 2000 Professional computer that you administer. The engineering department frequently prints documents that are several pages in length， which takes a long time to print. Users in the research department who have small files to print often must wait a long time for their jobs to print. You want to reduce the time it takes for the user in research department to print their files. You want to accomplish this with the least amount of administrative effort. What should you do？（） Monitor the print queue， and raise the priority of all the print jobs that are sent by users who are not members of the engineering department.。 Delete the old printer. Add a new printer， and set the priority to a higher value. Pause the print queue only when the engineering print jobs are printing.。 Configure the priority of TKPrinter1 to 50. Add a new printer， and set the priority to 1. For the new printer， deny Print permission for users in the engineering department.。 Configure the priority of TKPrinter1 to 50. Add a new printer， and set the priority to 70. For the new printer， deny Print permission for users in the engineering department.。
（）销售行为的优点是工作有朝气，动作敏捷，善于随机应变。缺点是心境变化剧烈，服务态度不稳定。
