问题
单项选择题
在BSP方法研究步骤中，下列哪一步是研究数据逻辑相关性的归类工作
A．企业过程定义
B．开发计划制定
C．信息总体结构定义
D．数据类定义
答案
参考答案：D
解析：系统可能发生的故障类型有：事务故障、系统故障和磁盘故障。磁盘故障是指数据传送操作过程中由于磁头损坏或故障造成磁盘块上的内容丢失。
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在BSP方法研究步骤中，下列哪一步是研究数据逻辑相关性的归类工作
A．企业过程定义
B．开发计划制定
C．信息总体结构定义
D．数据类定义
参考答案：D
解析：系统可能发生的故障类型有：事务故障、系统故障和磁盘故障。磁盘故障是指数据传送操作过程中由于磁头损坏或故障造成磁盘块上的内容丢失。
完形填空：（一）（本题共10小题；每小题1分，满分10分） 阅读下面短文，掌握其大意，然后从每题所给的四个选项中，选出最佳项填入文中空白处。 Computer games are very popular. It is natural for people to want to _1___ , so playing against a computer or against a friend on the computer can be __2__to stop. “ Just one more game, ” often turns into another game, then another. Computer games do have their _3__. They are excellent for training hand or eye coordination(协调).Surgeons (外科医生)_4____played computer games as children are often skilled. Computer games can __5__ be great for teaching students. The students are open to learning while playing. They can study for longer than a teacher would be able to teach. But like anything __6__ in life, things should be balanced.(平衡).Too much time on the computer can _7__ your eyes. Regular breaks are needed. If students cannot _8__ playing computer games, they won’t do as well in other areas in their life—not just schoolwork, but in developing important social skill such as how to talk with people and how to work with others. And if they are no longer taking regular exercise, __9___ health will become worse. Computer games have their place, __10___people must also remember it is important to have a balanced lifestyle.
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