患者，女性，45岁，幽门梗阻行持续胃肠减压半月余。每日补10%葡萄糖2500ml，5%葡萄糖盐水1000mg，10%氯化钾30ml。2天前开始出现全腹膨胀，无压痛及反跳痛，肠鸣音消失，每日尿量1500ml左右。最可能的原因是

A．低钾血症

B．低钠血症

C．高钾血症

D．高钠血症

E．低钙血症

Due to a constantly (71) environment, a poor understanding of the user’s needs and preferences, as well as a (72) of willingness to modify (73) 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 (74) meta model, the Extended World Wide Web Design Technique (EW3DT), provide hypertext designers (75) a conceptual, user-centric framework and graphical notation for the construction of both, reference and customized models, during the software development process of commercial WIS. A reference model as a normative concept represents an abstraction of a typical company, its functional units, or its (Web) Information Systems and is intended to streamline the design and implementation of complex applications at reduced costs. As precondition for pursuing a partial globalization strategy, EW3DT distinguishes between technical and content-specific responsibilities for designing, implementing, and maintaining WIS.

A．give

B．above

C．presented

D．got