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问题 多项选择题

船舶在入境检疫时，船方应向口岸检验检疫机构提供的资料有( )。

A．旅行健康证书

B．航海健康申报书

C．船舶免予除鼠证书

D．预防接种证书

答案

参考答案：A,B,C,D

单项选择题

编制股票价格指数的四个步骤依次为（）。

A．选择样本股、计算计算期平均股价，并作必要的修正、选定某基期、指数化

B．指数化、选择样本股、选定某基期、计算计算期平均股价，并作必要的修正

C．选择样本股、选定某基期、计算计算期平均股价，并作必要的修正、指数化

D．选定某基期、选择样本股、计算计算期平均股价，并作必要的修正、指数化
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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．link

B．format

C．structure

D．procedure
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