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问题 单项选择题

依据《消防法》的规定，城市人民政府应当将消防安全局、消防站、消防供水、消防车通道等内容的消防规划纳入______，并负责组织有关主管部门实施。

A．城市市政预算规划

B．城市总体规划

C．城市市政档案规划

D．城市治理规划

答案

参考答案：B

单项选择题

VRML is a （71） 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（72） (z and time) to the presentation of documents. The applications of VRML are （73）, 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 （74） with VRML. Furthermore, it is componentized, profiled, and extensible, which makes it possible to use X3D in very different （75）, from high-end visualizations to lightweight applications.

A．broad

B．implicit

C． explicit

D．special
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填空题

滚木头比拖木头省力，这是因为______．
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