四六级考试

根据网考网考试中心的统计分析，以下试题在2018/1/18日四六级考试六级习题练习中，答错率较高，为：48%
【单选题】There are various ways in which individual economic units can interact with one
another.Three basic ways may be described as the market system,the administered
system and the traditional system.
In a market system individual economic units are free to interact among each other in the market place.It is possible to buy commodities from other economic units or sell commodities to them.In a market,transactions may take place via barter or money exchange.In a barter economy,real goods such as automobiles,shoes,and pizzas are traded against each other.Obviously,finding somebody who wants to trade my old car in exchange for a sailboat may not always be an easy task.Hence,the introduction of money as a medium of exchange eases transactions considerably.In the modern market economy,goods and services are bought or sold for money.
An alternative to the market system is administrative control by some agency over all transactions.This agency will issue edicts or commands as to how much of each goods and service should be produced,exchanged,and consumed by each economic
unit.Central planning may be one way of administering such an economy.The central plan,drawn up by the government,shows the amounts of each commodity produced by the various firms and allocated to different households for consumption. This is an example of complete planning of production,consumption,and exchange for the whole economy.
In a traditional society,production and consumption patterns are governed by tradition:parentage,religion,and custom fix every person's place within the economic system.Transactions take place on the basis of tradition,too.People belonging to a certain group or caste may have an obligation to care for other persons,provide them with food and shelter,care for their health, and provide for their education.Clearly,in a system where every decision is made on the basis of tradition alone,progress may be difficult to achieve.A stagnant society may result.
26. What is the main purpose of the passage?
A.To outline contrasting types of economic systems.
B.To explain the science of economics.
C.To argue for the superiority of one economic system.
D.To compare barter and moneyexchange markets. 
27. In the second paragraph,the word “real” in “real goods” could best be replaced by which of the following?
A.high quality. B.concrete. C.utter. D.authentic. 
28. According to the passage,a barter economy can lead to ____.
A.rapid speed of transactions B.misunderstandings
C.inflation D.difficulties for the traders 
29. According to the passage,who has the greatest degree of control in an administered system?
A.Individual B.Small businesses
C.Major corporations D.The government 
30. Which of the following is NOT mentioned by the author as a criterion for
determining a person's place in a traditional society?
A.Family background. B.Age.
C.Religious belief. D.Custom. 

网考网参考答案：A、B、D、D、B，答错率：48%
试题解析：
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