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问题 选择题

东欧剧变的历史原因主要在于（　　）

A．非执政党的长期颠覆与破坏

B．戈尔巴乔夫的建设“民主社会主义”纲领的推动

C．教条主义地袭用高度集中的经济政治体制

D．西方资本主义的和平演变

答案

C

本题考查的是历史原因，由于东欧各国袭用当时苏联的高度集中的经济政治体制，不符合各国的国情，矛盾日积月累而成剧变。

单项选择题 A1/A2型题

脑卒中最常见的血管壁病变是（）。

A.动脉瘤

B.结缔组织疾病所致动脉炎

C.结核性动脉炎

D.动脉粥样硬化和高血压性动脉硬化

E.血管畸形
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单项选择题 共用题干题

Information systems design is defined as those tasks that focus on the specification of a detailed computer-based solution. Typically, there are four systems design tasks for in-house development. 1)The first task is to specify (1), which defines the technologies to be used by one, more, or all information systems in terms of their data, processes, interfaces, and network components. This task is accomplished by analyzing the data models and process models that are initially created during requirements analysis. 2)The next systems design task is to develop the (2). The purpose of this task is to prepare technical design specifications for a database that will be adaptable to future requirements and expansion. 3)Once the database prototype has been built, the systems designer can work closely with system users to develop input, output and dialogue specifications. The (3) must be specified to ensure that the outputs are not lost, misrouted, misused, or incomplete. 4)The fourth design task involves packaging all the specifications from the previous design tasks into a set of specifications that will guide the (4) activities during the following phases of the systems development methodology. Finally, we should (5) and update the project plan accordingly. The key deliverable should include a detailed plan for the construction phase that should follow.

空白（4）处应选择（）

A.system administrator's

B.system analyst's

C.computer programmer's

D.system designer's
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