问题 选择题

乘数效应是指经济活动中某一变量的增减所引起的经济总量变化的连锁反应程度。下列对乘数效应表述正确的是:

①政府投资扩大,对国民收入有加倍扩大的作用

②国家增加税收,社会总需求和总投资就会下降

③居民增加消费,会带动相关产业的出现和成长

④互补商品涨价,会使得两种商品的需求量增加

A.②③

B.①③

C.②④

D.①④

答案

答案:B

题目分析:根据题意,经济活动中某一变量的增减所引起的经济总量变化即乘数效应。政府投资扩大,会刺激社会总需求,对国民收入有加倍扩大的作用,①正确;居民增加消费,会带动某些消费热点的创新,带动相关产业的出现和成长,③正确;选B。②不合题意;④错误,互补商品涨价,会使该商品的需求量下降。

单项选择题 A1/A2型题
阅读理解

Nicknames for Los Angeles

A nickname is a shortened form of a person's name. A nickname can also be a descriptive name for a person, place or thing. Many American cities have nicknames. These can help establish an identity, spread pride among citizens and build unity. Nicknames can also be funny.

Los Angeles, California is the second largest city in population, after New York City. Los Angeles has several nicknames. One is simply the city’s initials, L.A. It is also called the City of Angels because Los Angeles means “the angels” in Spanish.

Los Angeles often has warm, sunny weather. So another nickname is City of Flowers and Sunshine. New York is called The Big Apple. So Los Angeles is sometimes called The Big Orange because of the fruit that grows in that city’s warm climate.

The American motion picture and television industries are based in Los Angeles. So it is not surprising that it is called The Entertainment Capital of the World. Many films are made in the area of Los Angeles called Hollywood. Millions of people visit the area. No trip to Los Angeles is complete without seeing the word "Hollywood" spelled out in huge letters on a hillside.

Many movie stars live in Los Angeles. The city is sometimes called Tinseltown. This nickname comes from the shiny, bright and often unreal nature of Hollywood and the movie industry.

Another nickname for Los Angeles is La-La Land, using the first letters of Los and Angeles. This means a place that is fun and not serious, and maybe even out of touch with reality.

The city of Los Angeles is part of Los Angeles County. There are many smaller cities in the county. Beverly Hills, with its rich people, is one of them. So is Pasadena, with its Rose Parade each New Year's Day. So are the coastal cities of Santa Monica and Malibu, where people like to ride surfboards on the Pacific Ocean waves.

A good place for watching unusual-looking people is Venice, an area on the west side of Los Angeles. A system of waterways designed after the Italian city of Venice has been built there.

Many people love Los Angeles for its warm sunny weather, beautiful mountains and beaches, and movie stars. That includes Randy Newman, who sings about his hometown.

小题1:A nickname of a place can have the following functions except ___________.

A.building up identity

B.entertainment

C.bringing pride to the locals

D.uniting surrounding cities小题2:The underlined sentence can best be replaced by __________.

A.Your trip to Los Angeles is not perfect if you miss the big letters "Hollywood" on a hillside

B.Not seeing the word "Hollywood" on a hillside means you haven’t been to Los Angeles.

C.If you visit Los Angeles you should first pay a visit to "Hollywood" s on a hillside.

D.Seeing the big letters "Hollywood" on a hillside means you’ve been really to Los Angeles.小题3:How many nicknames have been given to Los Angeles?

A.4

B.5

C.6

D.7小题4:Which of the following is conveyed in this article?

A.Los Angeles is most famous for its nicknames.

B.Hollywood alone adds fame to Los Angeles.

C.All the nicknames increase the charm of Los Angeles.

D.Los Angeles was built after the Italian city of Venice.