问题 单项选择题

结构化开发生命周期法是采用什么方法形成整个系统的信息模型的

A.自顶向下

B.自底向上

C.自顶到底

D.自上到下

答案

参考答案:A

解析: 结构化生命周期法强调运用系统的观点,即全局的观点对企业进行分析,自上而下,从粗到精,将系统逐层分解,最后进行综合,以构成全企业的信息模型。

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Holidays
The Snowdonia
Center
The Snowdonia Center for young mountain climbers has a mountain climbing lesson. The beginners’ costs are £57 for a week, including food and rooms. Equipment is included except walking shoes, which can be hired (租用) at a low cost. You must be in good health.
The Canary Islands
It’s a good idea to go to the Canary Islands to enjoy the winter sunshine. An interesting activity of visitors to the Canary Islands is surfing. You can also see lots of wild animals, or enjoy swimming with the sea lions.
The Alpha Resort Tomamu
The ice hotel is in Japan. Its dining room,  bedroom and bathroom are made out of ice. It provides dinner served on an ice plate. You can take your ice glass to the ice bar or the ice café. The hotel experience costs $242 per person.
小题1:If you’re interested in mountain climbing, you can go to    .
A.the Snowdonia Centre B.the Canary Islands
C.the Young Climbers’ CentreD.the Alpha Resort Tomamu
小题2:At the Snowdonia Centre, the beginners’ costs include   .
A.enjoying the winter sunshineB.walking shoes
C.food and roomsD.food and walking shoes
小题3:What can’t you enjoy on the Canary Islands?
A.Swimming with the sea lions.B.Surfing.
C.Watching wild animals.D.Having a sports lesson.
小题4:The Alpha Resort Tomamu is    .
A.a cinemaB.an ice hotelC.a museum D.an ice cream shop
小题5:Tony wants to visit the Alpha Resort Tomamu with his friend Tom. How much will they need to pay?
A.£57. B.$242.C.$57. D.$484.
论述题