按自上而下的方法，为新系统开发设计任何系统因素前，以下哪项内_爱下问搜题

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问题单项选择题

按自上而下的方法，为新系统开发设计任何系统因素前，以下哪项内容应该得到审查

A．竞争对手使用的处理系统类型。
B．系统需要的计算机设备。
C．管理人员进行计划和控制时的信息要求。
D．关于现有系统已有的适当控制。

答案

参考答案：C

解析： A．不正确，竞争对手的处理系统可能与已是无关的，或者完全不被了解。
B．不正确，重点应首先放在新系统的目的和需求上，而不是放在设备上。
C．正确。使用者的信息需求和目的应该是主要的。
D．不正确，有关当前系统的控制可能是无关的或者是不重要的。

阅读理解

Do you like eating sandwiches? Do you know the story of sandwich?

Many years ago, in England, the rich people liked playing cards, the Earl(伯爵) of Sandwich liked playing cards, too. He liked to play for money. He was one of the greatest players at that time. He often played all day and all night.

Once (曾经) he played for twenty-four hours without stopping. He didn’t leave the table even to eat. His servants (佣人) had to bring food to him. They brought him some meat and some bread. But he didn’t want to stop playing when he ate. He put the meat between two pieces of bread and ate. In this way he could go on playing cards. Later, people called this kind of food sandwich after his name.

根据短文内容判断句子正(T), 误(F).

小题1: The world “sandwich” comes from England.

小题2: The Earl of Sandwich liked playing cards for money.

小题3: His servants asked him to go home.

小题4: He went on playing cards without eating, so he could get a lot of money.

小题5: Servants found a way to make sandwiches.

填空题

值班客运员、乘警（保安员）每（）分钟对客舱交替进行一次巡回检查。做好巡舱记录，发现情况及时处理和汇报。