己知有描述科研项目及负责教师的关系模式:科研项目(项目号,项目名称,经费,负责教师号

题型:单项选择题

问题:

己知有描述科研项目及负责教师的关系模式:科研项目(项目号,项目名称,经费,负责教师号,姓名,职称),该关系模式满足函数依赖集:F=项目号→项目名称,项目号→经费,项目号→负责教师号,负责教师号→姓名,负责教师号→职称。下列分解中最合理的符合3NF的关系模式是______。

A) 科研项目(项目号,项目名称,经费),教师(教师号,硅名,职称)
B) 科研项目(项目号,项目名称,经费),教师(教师号,姓名,职称,项目号)
C) 科研项目(项目号,项目名称,经费,负责教师号),教师(教师号,姓名,职称)
D) 科研项目(项目号,项目名称,经费),项目_教师(项目号,负责教师号),教师(教师号,姓名,职称)

考点:计算机等级考试数据库工程师关系数据库逻辑设计(一)
题型:单项选择题

It was Christmas, and there was a big party in the house. Guests came and went, but the party went on. Then the bell rang. Several people shouted, "Come in!"and a small man opened the front door and came in. Nobody knew him. But the host went to meet him, and took him to the bar for a drink. The man sat there happily for an hour and a half and drank.Then suddenly he stopped and looked at the host. "Do you know," he said, "nobody invited me to this party. I don't know you, 'I don't know your wife, and I don't know any of your guests. My wife and I wanted to go out in our car, but one of your guests' cars was in front of our gate, so I came here to find him and my wife is waiting in our car for me to come back.

小题1:What’s the date that day ?

A. Monday . .B It’s December 25th .

C. It’s Novermber 25th   D. It’s January 1st

小题2:Which sentence is Not true about the party ?

A.All the guests stayed there until the party was over .

B.There were lots of people at the party .

C.There were some drinks at the party .

D.Not all the guests knew each other小题3:How long did the small man stay at the party ?

A. For an hour .

B.For half an hour .

C.For 90 minutes .

D.For a while小题4:Why did the small man stay at the party ?

A.He was the host’s neighbor .

B.He was a friend of the host’s .

C.He wanted to say “Have fun ” to the people at the party

D.He wanted to look for the person whose car was in front of his gate .小题5:The best title is ___.

A. A small Man

B.A Strange Guest

C.A Friendly Host

D.A funny Man

题型:单项选择题

慢性肾盂肾炎

A.尿中白细胞增多,反复多次检查无真性菌尿

B.明显的尿急、尿频、尿痛的症状,CT示肾盂、肾盏虫蚀样缺损

C.肾结石病史1年,突发寒战,继之高热,伴尿急、尿痛,腰痛

D.尿频、尿急、尿痛,多次尿细菌、真菌、厌氧菌、分枝杆菌等培养均阴性

E.双肾大小不一,表面不光滑、萎缩,静脉肾盂造影显示有肾盂肾盏变形

题型:单项选择题

《银行业监督管理法》规定,银行业金融机构应当严格遵守审慎经营规则。若银行违反这一原则,逾期未改正,或者其行为严重危及该银行业金融机构的稳健运行、损害存款人和其他客户合法权益的,银监会不可以采取下列哪一个措施( )

A.限制该银行的资产转让

B.限制该银行分配股利和其他收入

C.依法对银行进行接管或者促成机构重组

D.责令调整董事、高级管理人员或者限制其权利

题型:单项选择题

在发生交易差错时,可由()填写止付通知书。(三级)

A、综合柜员 

B、柜员 

C、支局长 

D、业务主管

题型:单项选择题

有两个阻值不同的定值电阻R1、R2,它们的电流随电压变化的I-U图线如图所示。如果R1、R2串联的总电阻为R,并联后的总电阻为R′,则关于R、R′的I-U图线所在的区域,下列说法中正确的是

[ ]

A. R在I区域,R′在Ⅲ区域

B. R在Ⅱ区域,R′在I区域

C. R在Ⅲ区域,R′在I区域

D. R在I区域,R′在Ⅱ区域

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