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问题 单项选择题

与回归热的发作及间隙之"回归"表现有关的机制是（）

A.包柔体的代谢产物刺激

B.弥散性血管内凝血

C.机体的超敏反应

D.机体免疫反应与包柔体体表抗原变异

E.包柔体持续增殖

答案

参考答案：D

判断题

标委会对分标委会审查通过的标准报批稿，有权提出复议和修改意见。
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单项选择题

Due to a constAntly ______ environment， a poor understanding of the user’s needs and preferences，as well as a ______ of willingness to modify ______ 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 ______ meta model，the Extended World Wide Web Design Technique(eW3DT)，provide hypertext designers ______ a conceptual，user-centric framework and graphical notation for the construction of both，______ and customized models， during the software development ______ of commercial WIS. A reference model as a normative concept represents an abstraction of a ______ company，its functional units， or its(Web) Information System and is intended to streamline the design and implementation of complex applications at ______costs. As precondition for pursuing a partial globalization strategy，eW3DT ______ between technical and content-specific responsibilities for designing， implementing， and maintaining WIS.

A．general

B．common

C．typical

D．special
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