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Part ADirections: Read the following three texts. Answer the questions on each text by cho

Part A

Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1.

The basic flag of the United States is one of the world's oldest national flags. Only the basic flags of Austria, Denmark, Great Britain, the Netherlands, Sweden, and Switzerland are older.

During the discovery and settlement of what is now the United States, the flags of various European nations were flown over the land, as symbols of possession. Later, in the Colonial and Revolutionary War periods, flags representing famous persons, places, and events were flown in the American Colonies.

The first official flag of the United States was created by Congress on June 14,1777. It consisted of 13 alternate red and white stripes and 13 white stars in a field of blue, representing the 13 colonies that had declared their independence in 1776. Congress adopted a new flag of 15 stars and 15 stripes in 1795, to give representation to the two new states admitted into the Union, Vermont and Kentucky.

By 1817, there were 20 states in the Union, and it became apparent that adding one stripe for each new state would destroy the shape of the flag. As a result, Congress in 1818 restored the original design of 13 stripes and provided that each state was to be represented by one star. In 1912 President William H. Taft made the first official provision for the arrangement of the stars. He ordered that there be six even rows of eight stars each. Previously the arrangement of the stars had been left to the flag-maker's fancy.

The evolution of the Stars and Stripes reflected the growth of the United States. After the admission of Hawaii into the Union in 1959, the flag was officially changed for the 26th time since its creation.

There are many government flags flown in the United States in addition to the national flag. Among them are the president's and vice-president's flags and those of federal departments and some federal agencies. Each state in the Union has an official flag. The United States Navy uses special flags for signaling.

Which of the following can be the best title of the passage?

A.The Oldest National Flags in the World.

B.Evolution of the American National Flag.

C.Changes of the American National Flag: A Mirror of the Country's Growth.

D.Stars and Stripes in the American National Flag.

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第1题

OLAP是以数据库或数据仓库为基础的,其最终数据来源是来自底层的()。A.数据仓库B.操作系统C.数据字

OLAP是以数据库或数据仓库为基础的,其最终数据来源是来自底层的()。

A.数据仓库

B.操作系统

C.数据字典

D.数据库系统

点击查看答案

第2题

OLAP是以数据库或数据仓库为基础的,其最终数据来源是来自底层的()。A.数据仓库B.操作系统C.数据字

OLAP是以数据库或数据仓库为基础的,其最终数据来源是来自底层的()。

A.数据仓库

B.操作系统

C.数据字典

D.数据库系统

点击查看答案

第3题

OLAP是以数据库或数据仓库为基础的,其最终数据来源是来自底层的______。A.数据仓库B.操作系统C.数

OLAP是以数据库或数据仓库为基础的,其最终数据来源是来自底层的______。

A.数据仓库

B.操作系统

C.数据字典

D.数据库系统

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第4题

OLAP是以数据库或数据仓库为基础的,其最终数据来源是来自底层的()。A.数据仓库B.操作系统C.数据字

OLAP是以数据库或数据仓库为基础的,其最终数据来源是来自底层的()。

A.数据仓库

B.操作系统

C.数据字典

D.数据库系统

点击查看答案

第5题

OLAP是以数据库或数据仓库为基础的,其最终数据来源是来自底层的()。

A.数据仓库

B.操作系统

C.数据字典

D.数据库系统

点击查看答案

第6题

OLAP是以数据库或数据仓库为基础的,其最终数据来源是来自底层的()。

A.数据仓库

B.操作系统

C.数据字典

D.数据库系统

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第7题

OLAP是以数据仓库为基础的,但其最终数据来源与OLTP一样均来自底层的数据库,两者面对的用户是相同的。
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第8题

关于OLAP和OLTP的区别描述,不正确的是:()

A.OLAP主要是关于如何理解聚集的大量不同的数据.它与OTAP应用程序不同

B.与OLAP应用程序不同,OLTP应用程序包含大量相对简单的事务

C.OLAP的特点在于事务量大,但事务内容比较简单且重复率高

D.OLAP是以数据仓库为基础的,但其最终数据来源与OLTP一样均来自底层的数据库系统,两者面对的用户是相同的

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第9题

下述技术中,哪个是商业智能的核心技术?

A.数据仓库、OLTP、数据挖掘

B.数据仓库、OLAP、数据挖掘

C.数据库、OLAP、云计算

D.数据库、OLAP、数据可视化

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第10题

可组成BI(商业智能)系统。A.数据仓库、OLTP 和神经网络 B.数据仓库、OLAP 和数据挖掘C.数据库、OLT

可组成BI(商业智能)系统。

A.数据仓库、OLTP 和神经网络

B.数据仓库、OLAP 和数据挖掘

C.数据库、OLTP 和数据挖掘

D.数据库、MIS 和DSS

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