下列工具中为需求分析常用工具的是( )。A．PAD B．PFD C．N-S D．DF 发布时间：2017-12-15 13:36 │ 来源：www.tikuol.com 题型：单项选择题 问题： 下列工具中为需求分析常用工具的是( )。A．PADB．PFDC．N-SD．DFD
题型：单项选择题 完形填空。 One day a great general ( * * ) asked his soldiers, "What's the strongest power in the world?" Four of his soliders 1 their hands. They all wanted to answer the question. The general asked the first man to speak. The first man is younger 2 the other three, and he was not strong. He said, "My gun is the strongest. It can kill 3 ." "Thank you. 4 , please."The second man was very strong. He said,"I don't 5 . Soldiers use guns, so the soldier is the strongest."The 6 man said, "Soldiers use guns, 7 our general gives orders (命令).So I think our general is the strongest."The fourth man was the 8 . He said, "Love is the strongest. For love people don't 9 guns."The general smiled and 10 to him.( )1. A. put out ( )2. A. then ( )3. A. someone ( )4. A. Next ( )5. A. know ( )6. A. first ( )7. A. and ( )8. A. better ( )9. A. use ( )10. A. agreed B. put off B. than B. somebody B. OK B. think B. second B. but B. best B. start B. gave a big prizeC. put up C. and C．anyone C. Sorry C. have C. third C. still C. older C. put up C. brought much money D. put away D. that D. all persons D. Not good D. agree D. fourth D. thus D. oldest D. take D. talked 查看答案
题型：单项选择题 下面关于视图的描述错误的是（）。A.远程视图是利用远程服务器中的数据建立的视图B.视图是数据库的一部分，只能依托数据库而存在C.视图也像数据表一样在实际存储器中存放着相应的字段、记录等数据实体D.视图不仅具有查询的功能，还可修改记录数据并使源表随之更新 查看答案