下面有关模式分解的叙述中,不正确的是A.若一个模式分解保持函数依赖,则该分解一定具有

题型:单项选择题

问题:

下面有关模式分解的叙述中,不正确的是

A.若一个模式分解保持函数依赖,则该分解一定具有无损连接性

B.若要求分解保持函数依赖,那么模式分解可以达到3NF,但不一定能达到BCNF

C.若要求分解既具有无损连接性,又保持函数依赖,则模式分解可以达到3NF,但不一定能达到BCNF

D.若要求分解具有无损连接性,那么模式分解一定可以达到BCNF

考点:计算机等级考试数据库技术三级数据库技术笔试1
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呕吐粪样内容物,高度腹胀:

A.血栓性浅静脉炎
B.血栓性深静脉炎
C.游走性浅静脉炎
D.血栓闭塞性脉管炎
E.动脉硬化闭塞症

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A)根据句子意思,用括号中所给词的正确形式填空。

1. Yao Ming is _______ (success) in his basketball career.

2. Simon prefers walking to                (jog).

3. I think they will                (probable) get to Beijing tonight.

4. Green represents new life and                (grow).

5. I don't think these books are                (suit) for children.

6. The students are preparing for the ________ (come) exams.

7. Our English teacher was very ________ (satisfy) with our study.

8. Last night I stayed up until 12 o'clock, so now I'm very ________. (sleep)

B)根据句意及汉语提示,在下列各句空缺处写出各单词的正确形式。

9. Thank you for giving me some useful                (建议).

10. Do you think Tom is a                (勤奋的) student?

11. It seems                (不公平的) on him to make him pay for everything.

12. The birthday present he sent me is very                (珍贵的).

13. She seemed to be                 (相当) surprised at what he said.

14. The football match will be covered ________ (以现场直播的方式).

15. His words yesterday ________ (使想起) me of my school life.

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某国有部门在风景名胜区的核心景区内建设疗养院,工程已开工建设,针对这种现象,风景名胜区管理机构责令其限期拆除、恢复原状,并处()罚款。

A.50元

B.1000元以上10000元以下

C.5万元以上10万元以下

D.50万元以上100万元以下

题型:单项选择题

()是指以作业标准为主要内容的岗位标准达到的程度。

A.标准化车间

B.自控型车间

C.自控型岗位

D.自控型班组

题型:单项选择题

妇科历史上有记载的第一首方是( )

A.温经汤
B.四乌贼骨一蔗茹丸
C.胶艾汤
D.四物汤
E.当归芍药散

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