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问题 单项选择题

网络管理信息系统的分析设计以 (55) 。

A．功能模块设计为中心

B．数据分析为中心

C．系统拓扑结构设计为中心

D．系统规模分析为中心

答案

参考答案：B

解析：

[分析]： 网络管理信息系统的分析设计以数据分析为中心。

阅读理解

In many English homes people eat four meals a day: breakfast, lunch, tea and dinner.People have breakfast at any time from seven to nine in the morning.They eat porridge，eggs or bread.English people drink tea or coffee at breakfast.Lunch comes at one o'clock.Afternoon tea is from four to five in the afternoon and dinner is about half past seven.First they have soups, and then they have meat or fish with vegetables.After that they eat some other things, like bananas，apples or oranges.But not all English people eat like that.Some of them have their dinner in the middle of the day.Their meals are breakfast, dinner, tea and supper and all these meals are very necessary.

小题1:Many English people have    meals a day.

A．two

B．three

C．four

D．three or four小题2:People may have    for their breakfast.

A．tea and eggs

B．porridge，eggs，bread，tea or coffee

C．tea and coffee

D．bread and eggs小题3:People have lunch at    ．

A．any time

B．nine

C．five

D．one小题4:People don't have    for their dinner.

A．porridge

B．bananas and apples

C．some soup and meat

D．meat and fish小题5:In many English homes dinner comes    ．

A．at one o'clock

B．in the middle of the day

C．at noon

D．at night
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问答题

某商店拟放弃现在经营的商品A，改为经营商品B，有关的数据资料如下：

（1）A的年销售量3600件，进货单价60元，售价100元，单位储存成本5元（不含存货占用资金的应计利息），一次订货成本250元。

（2）B的预计年销售量4000件，进货单价500元，售价540元，单位储存成本10元（不含存货占用资金的应计利息），一次订货成本288元。

（3）该商店按经济订货量进货，假设需求均匀、销售无季节性变化。

（4）假设该商店投资所要求的报酬率为18%，不考虑所得税的影响。

要求：计算分析该商店应否调整经营的品种（提示：要考虑资金占用的变化）。
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