Due to a constantly __（66)__ environment, a poor understanding of the user’s needs and p

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 Systems 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.

（66）

A. modify

B. changing

C. modifying

D. changed

（67）

A. lack

B. since

C. big

D. lot

（68）

A. existing

B. the

C. fact

D. company

（69）

A. give

B. above

C. presented

D. got

（70）

A. of

B. in

C. to

D. with

（71）

A. exam

B. test

C. reference

D. specialize

（72）

A. process

B. procedure

C. model

D. project

（73）

A. general

B. common

C. typical

D. special

（74）

A. conducted

B. increased

C. reduced

D. deducted

（75）

A. gives

B. distinguishes

C. has

D. differences

请帮忙给出正确答案和分析，谢谢！