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问题 填空题

根据意思写出词语。

1．庄重而严肃。（　　）

2．平坦的草地。（　　）

3．高高地直立着。（　　）

4．中心地段。（　　）

5．（行人、车马等）像水流一样连续不断。（　　）

答案

1．庄严　2．草坪　3．矗立　4．中央　5．川流不息

判断题

烯烃与碱性高锰酸钾的反应为加成反应。
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单项选择题

Due to a constantly (66) environment, a poor understanding of the user’s needs and preferences, as well as a (67) of willingness to modify (68) organizational structures and decision models, the full economic potential of Web Information Systems (WIS) has not been realized by now. The data object types of the (69) meta model, the Extended World Wide Web Design Technique (eW3DT), provide hypertext designers (70) a conceptual, user-centric framework and graphical notation for the construction of both, (71) and customized models, during the software development (72) of commercial WIS. A reference model as a normative concept represents an abstraction of a (73) company, its functional units, or its (Web) Information System and is intended to streamline the design and implementation of complex applications at (74) costs. As precondition for pursuing a partial globalization strategy, eW3DT (75) between technical and content-specific responsibilities for designing, implementing, and maintaining WIS.

（72）（）

A.exam

B.test

C.reference

D.specialize
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