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单选题The city of _____ is nicknamed “Space City of USA”.A Los AngelesB HoustonC BostonD Honolulu

题目
单选题
The city of _____ is nicknamed “Space City of USA”.
A

Los Angeles

B

Houston

C

Boston

D

Honolulu

参考答案和解析
正确答案: D
解析:
Houston(休斯顿)是美国得克萨斯州的第一大城,全美国第四大城。休斯顿官方绰号为Space City“太空城”,因为它是约翰逊航空中心的所在地,任务监控中心也设在该地。
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相似问题和答案

第1题:

Why did American city residents want to live in the suburbs after World War Ⅱ?

A. Because older American cities were dying.

B. Because they were richer and needed more space.

C. Because cities contained the wont pare of society.

D. Because they could hardly afford a live in the city.


正确答案:B

第2题:

关系模式CSZ(CITY,ST,ZIP)其属性组上的函数依赖集为F={(CITY,ST)→ZIP, ZIP→CITY},关系模式CSZ的主属性是

A.ZIP

B.CITY,ST,ZIP

C.CITY,ZIP

D.ST,ZIP


正确答案:B
解析:包含在任何一个候选码中的属性叫做主属性。在这道题中全部属性都是主属性。掌握函数依赖和主属性之间的关系,以及如何根据函数依赖关系判断主属性。

第3题:

New York City is the second largest city of the United States.()

此题为判断题(对,错)。


正确答案:×

第4题:

The great changes of the city astonished every visitor to that city.

A:attacked
B:surprised
C:attracted
D:interested

答案:B
解析:
astonished“吃惊”。attacked“攻击”, surprised“吃惊”, attracted“吸引”, interested“对······感兴趣”。所以B项正确。

第5题:

The life in ________ is much more peaceful than that in ________.

A.a big city...the countryside

B.a small town...a small village

C.a big city...a small village

D.the countryside...a big city


参考答案:D

第6题:

设有关系R(CITY,ST,ZIP),其函数依赖集F = {(CITY,ST)? ZIP,ZIP ? CITY },则关系R至多满足

A.1NF

B.2NF

C.3NF

D.BCNF


正确答案:C

第7题:

City born and city bred, he always thinks city life is () coutry life.

A、superior than

B、inferior than

C、superior to

D、inferior to


参考答案:C

第8题:

查询city列的值为空的记录,在where子句中的条件应写为()。

A.ity=null

B.city=‘null‘

C.city is null

D.city is ‘null‘


参考答案:C

第9题:

“找出北京供应商的所有信息”的SELECT语句是

A.SELECT*FROM S WHERE CITY='京'

B.SELECT SNO,SNAME FROM S WHERE CITY='北京'

C.SELECT*FROM S WHERE CITY=北京

D.SELECT SNO,SNAME FROM S WHERE CITY=北京


正确答案:A
解析:“找出北京供应商的所有信息”的SELECT语句是SELECT*FROMSWHERECITY='北京'。

第10题:

The vast number of new business the city is attracting is good news for the local economy; however, the__________ of vacant office space is something the major has to figure out soon.

A. level
B. Training
C. shortage
D. exaggeration

答案:C
解析:
本市吸引来的大量新企业对本地经济来说是个好消息,但办公空间不足是市长急需解决的问题。横线处应选择适当的名词。However是转折连词,因此横线处应填入与vast number含义相反的名词。故正确答案为C。

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