VRML is a（1）for 3D multimedia and shared virtual worlds on the WWW. In comparison to HTML, VRML adds the next level of interaction, structured graphics, and extra（2）（z and time） to the presentation of documents. The applications of VRML are（3）,ranging from simple business graphics to entertaining WWW page graphics, manufacturing, scientific, entertainment, and educational applications, and 3D shared virtual worlds and communities. X3D is the name under which the development of VRML is continued. X3D is based on XML and is backwards（4）with VRML. Furthermore, it is componentized, profiled, and extensible, which makes it possible to use X3D in very different（5），from high-end visualizations to lightweight applications. 空白（1）处应选择（）
A、link
B、format
C、structure
D、procedure
在Windows中，桌面系统的屏幕上肯定会显示的图标是（）。
A、按名称、按类型、按大小、按修改时间、自动排列
B、按名称、按类型、按大小、按属性、自动排列
C、按名称、按类型、按任务、按大小、自动排列
D、按任务、按名字、按类型、按大小、自动排列
（1）将考生文件夹下COFF\JIN文件夹中的文件 MONEY.TXT设茕成隐藏和只读属性。 （2）将考生文件夹下DOSION文件夹中的文件HDLS.sel复制到同一文件夹中，文件命名为AEUT.sel。 （3）在考生文件夹下SORRY文件夹中新建一个文件夹WINBJ。 （4）将考生文件夹下WORD2文件夹中的文件 A-EXCEL.MAP删除。 （5）将考生文件夹下STORY文件夹中的文件夹ENGLISH重命名为CHUN。
常用的抓包软件有（）。
A、ethereal
B、MS office
C、fluxay
D、netscan
Which three statements are true about persistent configuration?（）
AA user cannot set privileges on the persistent lightweight jobs
BPersistent lightweight jobs generate a large amount of metadata
CIt is possible to create fully self-contained persistent lightweight jobs
DThe use of a template is mandatory to create persistent lightweight jobs
EPersistent lightweight jobs are useful when users need to create a large number of jobs in a short time
以下程序的执行结果是（ ）。
A、a=7，b=8
B、a=8，b=7
C、a=7，b=9
D、a=8，b=9