将E-R图中的实体和联系转换为关系模型中的关系,这是数据库设计的过程中 【17】 设

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问题:

将E-R图中的实体和联系转换为关系模型中的关系,这是数据库设计的过程中 【17】 设计阶段的任务。

考点:计算机等级考试数据库技术三级数据库技术笔试53
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证券发行人派发股票红利或权证等证券的,登记结算公司按照证券公司()的实际余额记增红股或配发权证。

A.客户信用交易担保资金账户

B.客户信用交易担保证券账户

C.信用交易证券交收账户

D.信用交易专用证券交收账户

题型:填空题

根据对话内容,从A-G选项中选出能填入空白处的最佳选项。选项中有两项为多余项.

A: Hello!

B: 小题1:             !

A:Nice to meet you!

B: 小题2:              .

A: 小题3:              ?

B:Oh,it's a watch.

A: 小题4:             ?

B:No,it isn't.It's his watch.

A:  小题5:         .

B: You’re welcome.

题型:填空题

有人在谈到美军虐待俘虏的照片时说道:如果不想在做蠢事时被当场捉住,就不要做蠢事。下面哪一句话所表达的意思与上面这句话的意思不同

A.如果做蠢事,就要准备在做蠢事时被当场捉住

B.只有不做蠢事,才能避免在做蠢事时被当场捉住

C.或者在做蠢事时被当场捉住,或者不做蠢事

D.若做蠢事时被当场捉住,那就自认倒霉吧

题型:填空题

人民警察的义务,是指人民警察在行使权力、履行职责过程中必须( )一定行为的约束。

A.作

B.不得作出

C.作为或不得作为

D.作出或不得作出

题型:填空题

Salesperson: The picture tube is the central component of any television, and Picturesque televisions use the same highquality picture tubes as those used in TruVue televisions.
Since you pay a much lower price for a Picturesque, you pay a lower price for a television with the same picture quality when you buy a Picturesque instead of a TruVue.
Which of the following is an assumption that, if justified, would allow the conclusion of the salesperson’s argument to be properly drawn

A.TruVue televisions are much more widely advertised than are Picturesque televisions.

B.The picture quality of a television is determined solely by the quality of its picture tube.

C.A salesperson earns much less on the sale of each Picturesque television than on the sale of each TruVue television.

D.Many more Picturesque televisions are sold each year than TruVue televisions.

E.(E) Picturesque televisions are assembled in the same factory that assembles TruVue televisions.

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