问题 填空题

在Visual FoxPro中,假设先打开了sdb数据库文件,接着打开了sc数据库文件,先要指定当前数据库为SDB,应使用命令:______DATEABASE TO SDB。

答案

参考答案:SET

解析: 在Visual FoxPro中可以在同一时刻打开多个数据库,但在同 时刻只有一个当前数据库,通过SET DATABASE TO [<数据库名>] 以指定一个已经打开的数据库为当前数据库。如果缺省数据库名,则所有的数据库都不是当前数据库,但是这些数据库都没有关闭。

单项选择题

This was one of my experiences (1) . When I was in my 30s, I was working for a large international company which had its head office in London. I was working in the (2) department.

The company had a training centre which was just outside London. Different courses were held there throughout (3) and I (4) go on one training course a year. These usually started (5) a Sunday evening and lasted six days.

Once I was (6) a week’s training course with about forty (7) sales people. I was in the bar on the Friday evening and suddenly a woman who was (8) behind the bar asked mea curious question. "I hope you don’t (9) my asking," she said, "but I’ve been (10) about it all week. Have you got a sister (11) Mary" The woman’s name was June. And she used to do various jobs at the training centre. She worked in the office, she organized all the food and drink for the centre and she worked in the bar at lunchtime and in the evening.

My answer (12) June’s question was "Yes", and June said, "I thought (13) . I met her last September when she was organizing a course here. " At that time, my sister was working for (14) company but in a different part of the country. That was (15) she came to be at the training centre.

(16) surprised me was how June guessed we were brother and sister. Three things made it even more (17) . First, she had met my sister six months before she met me. Second, they have about sixty new people every week at the training centre. So about one thousand five hundred people had (18) the centre in those six months. And (19) , my sister is married, so she doesn’t have the same family name as me.

We’re not (20) , but I guess we must look quite like each other.

10().

A.understanding

B.wondering

C.discovering

D.worrying

问答题