问题
单项选择题
以下不属于数据库系统安全性的主要技术和方法的是______。
A．视图机制
B．存取机制
C．审计机制
D．出入机房登记和加锁
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
以下不属于数据库系统安全性的主要技术和方法的是______。
A．视图机制
B．存取机制
C．审计机制
D．出入机房登记和加锁
参考答案：D
| 阅读理解。 |
| Films at the Museum Two European films will be shown on Saturday afternoon at the Museum Theatre. See Broken Window at 1:30. The Workers will be at 3:45. For further information, call 4987898. Captain Good Fellow Do your children enjoy interesting stories, funny games, and exciting dances? Captain Good Fellow will be ready to teach a11 these things to children at the City Theatre on Saturday morning at 10:00, free. International Picnic Are you tired of eating the same food every day? Come to Central Park on Saturday and enjoy food from all over the world. Delicious and not expensive. Noon to 5:00 p.m. Take me out to the Ballgame It's October, and Saturday night(7:00～9:00) is your last chance to see the Red Birds this year. Get your tickets at the gate. It might be cold.Don't forget sweaters and jackets. Do you want to hear "The Zoo" "The Zoo'', a popular rock group from Australia, will give their first U. S. concert this Saturday night, at 8, at Rose Hall, City College. |
| 1. On Saturday morning, you can ______. |
[ ] |
| A．go to watch a ballgame B．take children to play games at the City Theatre C．go to a concert at Rose Hall, City College D．go to the Central Park for a picnic |
| 2. The Red Birds Ballgame ______. |
[ ] |
| A．is in the afternoon B．is outside C．is at the gate D．might be cold |
| 3. You can eat many different kinds of food from all over the world if you ______. |
[ ] |
| A．go to the City Theatre B．go to the Central Park C．buy ticket at the gate D．go to see a film |
| 4. "The Zoo" is ______. |
[ ] |
| A．a U. S. concert B．a park with many red birds in it C．a music group D．going to give their last concert |
| 5. Mr. Turner wants to have a nice Saturday. Which is NOT possible for him to do? |
[ ] |
| A．Watching a ballgame and having a picnic. B．Having a picnic and seeing a film. C．Listening to a concert and watching a ballgame. D．Seeing a film and listening to a concert. |