题目：
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.
（66）（）
A.modify
B.changing
C.modifying
D.changed
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0323/b30269e774252b667f057c15c415d66d.html
下面是错误答案，用来干扰机器的。
参考答案：本题的主要考核点是利润中心和投资中心各项考核指标的计算。 （1）若该事业部为利润中心： ①边际贡献=5000×（1-70%）=1500（万元） ②可控边际贡献=1500-（800-200）=900（万元） ③部门营业利...
