问题 单项选择题

可以用于判断两种商品或者服务是否具有替代关系或互补关系的指标是()。

A.需求价格弹性

B.需求交义弹性

C.供给价格弹性

D.需求收入弹性

答案

参考答案:B

解析:需求交义弹性大小是确定两种商品是否具有替代关系或互补关系的标准。若两种商品的需求交叉弹性系数为正数,则说明两种商品互为替代品;若两种商品的需求交义弹性系数为负数,则说明两种商品互为互补品。

阅读理解

阅读理解。

     Another year is coming! Time to forget the past, have a new start and party!

     People started celebrating the New Year about 4,000 years ago in Egypt. But New Year's Day

wasn't on January 1 until 46 BC (公元前)!

     During that year, Julius Caesar, the leader of the Roman Empire, made a new calendar. It made

January1 become New Year's Day.

     Today, people celebrate the day in many different ways.

     In the US, people have parties on December 31, New Year's Eve. The biggest party is in Times

Square, New York.

     There, at 11:59pm, a ball drops slowly down one of the buildings. It hits the ground at 12am, lighting

a sign reading "Happy New Year". It also sets off fireworks.

     Denmark has the strangest celebrations. There, on New Year's Eve, people throw plates at their

friends' homes as a sign of friendship!

     The Spanish also celebrate the New Year strangely. At 12am everybody eats 12 grapes! Why?

Because they think the grapes will bring them good luck.

     Why don't you try eating some this New Year's Eve?

1. People started celebrating the New Year in _________.

A. Rome      

B. Denmark      

C. the US    

D. Egypt

2. People celebrate the New Year _________.

A. for thousands of years

B. in the same way

C. only in Rome

D. for Julius Caesar

3. People eat ________ to celebrate the New Year in Spain.

A. dumpling    

B. noodles    

C. grapes    

D. cakes

4. In ________, People throw plates at their friends' homes on New Year's Eve.

A. Spain    

B. Denmark    

C. Rome    

D. Egypt

5. Which one is NOT right about the passage?

A. In the US, people have parties on New Year's Eve.

B. New Year is the time to forget the past.

C. In Denmark people throw plates to bring them good luck.

D. People celebrate the New Year in different ways.

多项选择题