问题 单项选择题 共用题干题

老年人口腔保健受到乡政府的高度重视,请来口腔保健专家指导卫生院的工作,经过调查研究,老年口腔健康的主要问题是

调查结果显示,导致老年人牙齿丧失的问题主要是()

A.牙龈炎和牙龈出血

B.牙周袋形成

C.牙龈萎缩和牙槽骨吸收

D.牙结石和牙周袋溢脓

答案

参考答案:C

单项选择题

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 (71) ,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 analys16.

2) The next systems design task is to develop the (72) . 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 (73) 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 (74) activities during the following phases of the systems development methodology.

Finally, we should (75) and update the project plan accordingly. The key deliverable should include a detailed plan for the construction phase that should follow.

(75)处应填()。

A.adjust the project schedule

B.reevaluate project feasibility

C.evaluate vendor proposals

D.select the best vendor proposal

单项选择题