在房地产市场调查方法中，（）是从调查对象全体中选择若干个具有代表性的个体组成样本，对

阅读下文,从各小题所给的四个选项中选出能回答所提问题或完成所给句子的最佳答案.

     The World Expo has a longer history. This is about some of the World Expos.

1851 The first Expo, also called "The Great Exhibition" , was held in Hyde Park, London. The key

exhibits of the first Expo included the early fax machines and some other inventions.  So the first Expo

had great influence on many fields of society.

1886 The Statue of Liberty(自由女神像)  came to the World's Fair. French people sent it as a gift to

the US in 1886. The statue was on show at the Expo in Philadelphia, US.

1889 France held the Expo in Paris. The famous Eiffel Tower was built for the Expo. It is 324 meters

high and once the tallest structure in the world.

1893 The World's Fair was held in Chicago, US. For the first time, it used electricity. It meant the

beginning of a modern revolution(革命).

1904 China  first  took part  in the  World's Fair in Saint  Louis, US.  Besides  porcelain( 瓷器)  and

handicrafts, China also showed Beijing Opera and tea culture.

1933 This World's  Fair  was held  in Chicago with the theme of  "Century  of  Progress".  Themed

exhibitions started from this fair and later became a key part of all World's Fairs.

1970 The world Expo was held in Japan. It was the first Expo in Asia. Countries shared different ideas

about technological progress at the Expo. 77 countries took part in the Fair and discussed how to make

a peaceful future.

2000 The World's Fair was held in Germany. Earlier World Expos were most about technology. This

one tried to find solutions for global problems, like how to protect the environment.

1.  From above we can see at least________ World Expos were held in Europe. 

A. Two.    

B. Three.    

C. Four.    

D. Five.

2. According to this article, which city held the World Expo twice?

A. London.            

B. Paris.

C. Saint Louis.        

D. Chicago.

3. Which of the following is TRUE?      

A. The Great Exhibition was held in the eighteenth century.

B. The World Expo always has its theme.

C. China first held the World Expo successfully in 1904.

D. Countries discussed how to make a peaceful future in the World's Fair in Japan.

阅读李商隐的《锦瑟》，完成后面的问题。（5分）

锦瑟无端五十弦，一弦一柱思华年。

庄生晓梦迷蝴蝶，望帝春心托杜鹃。

沧海月明珠有泪，蓝田日暖玉生烟。

此情可待成追忆，只是当时已惘然。

（1）颔联的首句使用了哪些著作里的典故？有何用意?(2分)

(2) 全诗给人丰富的想象空间。请任选一联，说说你对其情景的理解，并简要分析。（3分）

下列账簿记录的书写方法不正确的是( )。

A．用蓝黑墨水书写

B．用红色墨水冲销错账

C．在不设借贷栏的多栏式账页中用红色墨水登记减少数

D．用圆珠笔书写

根据项目目标动态控制的工作程序，第一步工作是()

A．进行项目日标分解 

B．收集项目目标的实际值 

C．进行目标的计划值与实际值比较 

D．确定各种资源投入量 

就业安置是职业指导中的一种动态的服务，并指向特定的职业，没有把职业指导与求职者的成长联系起来。