在数据库系统中广泛应用的数据库查询语言SQL的全称是__________________。
参考答案:结构化查询语言(Structure Query Language)
某金属棒的真实长度如果是1.23456m,用最小分度为cm的刻度尺去测量。记录结果应该是_______ m。
完成句子
1. Children should be encouraged to explore ____________________(任何感到好奇的事情).
(whatever)
2. I'm sorry. I ________________(应该打个电话) to tell you I was coming. (phone)
3. When you hang wet clothes near a fire, you will see steam __________________
(从潮湿的衣服上升起). (rise)
4. You __________________(不可能看见她)in her office last Friday; she’s been out of town for
two weeks.(see)
5. While I agree with most of what you said, I don't agree with your viewpoint ________________
(这个实验失败了). (failure)
6. The driver failed to keep calm in the emergency; otherwise the accident ________________
(就可以避免). (stop)
7. Not only ________________(他被逮捕)but he had been sent to prison as well. (arrest)
8. ________________(不会用)a computer makes it more difficult for him to do his academic
research. (use)
9. John received an invitation to dinner, and with ________________(他做完了活), he gladly
accepted it. (finish)
10. There is no possibility ________________(他会信守诺言). He is always telling lies. (keep)