下面关于MIS和DSS关系的描述中，不正确的是()。
A．MIS面对结构化系统，而DSS面对非结构化系统
B．MIS侧重于管理，而DSS侧重于决策
C．MIS是数据驱动的，而DSS是模型驱动的
D．MIS强调集中管理，而DSS趋向于信息的分散利用
参考答案：A
解析：数据库管理系统中数据操纵功能为查询、插入、修改和删除。授权是数据库管理系统的控制功能。
| 阅读理解。 |
| Tom and mother are sitting at the table. They are having lunch. "I don't like this cake. I don't want to have it." says Tom. "All right." says his mother,"please don't have it." After lunch, Tom's mother work on the farm. They work hard. In the evening Tom's mother gives him a cake. "Oh, this cake is good." says Tom. |
| 1. Where is Tom sitting? |
[ ] |
| A. On the farm. B. Under the tree. C. In the room. D. At the table |
| 2. What is Tom doing? |
[ ] |
| A. He's having lunch. B. He's reading. C. He's talking to his parents. D. He's doing his homework |
| 3. Does Tom like the cake at noon? |
[ ] |
| A. Yes, he does. B. No, he doesn't. C. He likes it very much. D. He doesn't know. |
| 4. In the evening Tom's mother gives him . |
[ ] |
| A. another cake B. another fork C. the same cake D. the same fork |
| 5. _____Tom and his mother work on the farm. |
[ ] |
| A. In the moring B. In the afternoon C. In the evening B. On Sunday |