问题 单项选择题

在原型法归纳的基本模型结构中,下列哪个结构是完成定期修改数据库的()

A.生成报表

B.批量转换

C.成批对接

D.联机查询

答案

参考答案:B

解析:

生成报表,定期以成批方式从数据库中产生标准的和(或)非标准的报表;批量转换,一批程序定期应用多种转换逻辑去修改制定的数据库;成批对接,定期产生于系统之间的一个或多个输入/输出的成批对接;联机查询,定期产生于用户和系统之间的事务。

单项选择题
阅读理解

阅读理解。

     It was the summer of 1965. Deluca, then 17, visited Peter Buck, a family friend. Buck asked Deluca about

his plan for the future. "I'm going to college, but I need a way to pay for it," Deluca recalls saying. Buck said,

"you should open a sandwich shop."

     That afternoon, they agreed to be partners. And they set a goal: to open 32 stores in ten years. After doing

some research, Buck wrote a check for $ 1,000. Deluca rented a storefront (店面) in Connecticut, and when

they couldn't cover their start-up costs, Buck kicked in another $1,000.

     But business didn't go smoothly as they expected. Deluca says, "After six months, we were doing poorly,

but we didn't know how badly, because we didn't have any financial controls." All he and Buck knew was that

their sales were lower than their costs.

     Deluca was managing the store and to the University of Bridgeport at the same time. Buck was working at

his day job as a nuclear physicist in New York. They'd meet Monday evenings and brainstorm ideas for keeping

the business running. "We convinced ourselves to open a second store. We figured we could tell the public, We are so successful, we are opening a second store.'" And they did-in the spring of 1966. Still, it was a lot

of learning by trial and error (反复摸索).

     But the partners' learn-as-you-go approach turned out to be their greatest strength. Every Friday, Deluca

would drive around and hand-deliver the checks to pay their suppliers. "It probably took me two and a half

hours and it wasn't necessary but as a result, the suppliers got to know me very well, and the personal

relationships established really helped out," Deluca says.

     And having a goal was also important. "There are so many problems that can get you down. You just have

to keep working toward your goal," Deluca adds.

     Deluca ended up founding Subways Sandwich, the multimillion-dollar restaurant chain.

1. Deluca opened the first sandwich shop in order to _____.

A. support his family

B. pay for his college education

C. help his partner expand business

D. do some research

2. Which of the following is true of Buck?

A. He put money into the sandwich business.

B. He was a professor of business administration.

C. He was studying at the University of Bridgeport.

D. He rented a storefront for Deluca.

3. What can we learn about their first shop?

A. It stood at an unfavorable place.

B. It lowered the prices to promote sales.

C. It made no profits due to poor management.

D. It lacked control over the quality of sandwich.

4. They decided to open a second store because they _____.

A. had enough money to do it

B. had succeeded in their business

C. wished to meet the increasing demand of customers

D. wanted to make believe that they were successful