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Prices determine how resources are to be used. They are also the means by which products a

nd services that are in limited supply are rationed among buyers. The price system of the United States is a very complex network composed of the prices of all the products bought and sold in the economy as well as those of a myriad of services, including labor, professional, transportation, and public-utility services. The interrelationships of all these prices make up the "system" of prices. The price of any particular product or service is linked to a broad, complicated system of prices in which everything seems to depend more or less upon everything else.

If one were to ask a group of randomly selected individuals to define "price", many would reply that price is an amount of money paid by the buyer to the seller of a product or service or, in other words, that price is the money value of a product or service as agreed upon in a market transaction. This definition is, of course, valid as far as it goes. For a complete understanding of a price in any particular transaction, much more than the amount of money involved must be known. Both the buyer and the seller should be familiar with not only the money amount, but with the amount and quality of the product or service to be exchanged, the time and place at which the exchange will take place and payment will be made, the form. of money to be used, the credit terms and discounts that apply to the transaction, guarantees on the product or service, delivery terms, return privileges, and other factors. In other words, both buyer and seller should be fully aware of all the factors that comprise the total "package" being exchanged for the. asked-for amount of money in order that they may evaluate a given price.

What is the best title for the passage？

A．The Inherent Weaknesses of the Price System

B．The Complexities of the Price System

C．Credit Terms in Transactions

D．Resource Allocation and the Public Sector

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第1题

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B．attitude

C．gratitude

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第2题

Assuming that each has the icosahedral structure,determine how many isomers are possible for the B10

Assuming that each has the icosahedral structure,determine how many isomers are possible for the B₁₀C₂H₁₂molecule.

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第3题

The first, price theory or microeconomics, explains how the interplay of supply and

demand in competitive markets creates a multitude of individual prices, wage rates, profit margins, and rental changes.

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第4题

What happens during the first stage of effective team development().

A.Team members determine their group goals.

B.Team members get acquainted and begin to exchange information.

C.The team leader assigns roles to various team members.

D.The team learns how to solve problems and overcome conflict.

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第5题

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How can American restaurant chains accelerate their business？

A．To improve the quality of their products and services.

B．To raise their share prices with the help of some hedge funds.

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D．To expand their business scope overseas.

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第6题

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第7题

How do companies use price elasticity to improve their business？（)

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第8题

There are two aspects which determine an individual's intelligence. The first is the brain

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(76)

A．for

B．by

C．with

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第9题

Governments that want their people to prosper in the burgeoning world economy should guara

ntee two basic rights: the right to private property and the right to enforceable contracts, says Mancur Olson in his book Power and Prosperity. Olson was an economics professor at the University of Maryland until his death in 1998.

Some have argued that such rights are merely luxuries that wealthy societies bestow, but Olson turns that argument around and asserts that such rights are essential to creating wealth. "Incomes are low in most of the countries of the world, in short, because the people in those countries do not have secure individual rights," he says.

Certain simple economic activities, such as food gathering and making handicrafts, rely mostly on individual labor; property is not necessary. But more advanced activities, such as the mass production of goods, require machines and factories and offices. This production is often called capital-intensive, but it is really property-intensive, Olson observes.

"No one would normally engage in capital-intensive production if he or she did not have rights that kept the valuable capital from being taken by bandits, whether roving or stationary," he argues. "There is no private property without government--individuals may have possessions, the way a dog possesses a bone, but there is private property only if the society protects and defends a private right to that possession against other private parties and against the government as well."

Would-be entrepreneurs, no matter how small, also need a government and court system that will make sure people honor their contracts. In fact, the banking systems relied on by developed nations are based on just such an enforceable contract system. "We would not deposit our money in banks ... if we could not rely on the bank having to honor its contract with us, and the bank would not be able to make the profits it needs to stay in business if it could not enforce its loan contracts with borrowers," Olson writes.

Other economists have argued that the poor economies of Third World and communist countries are the result of governments setting both prices find the quantities of goods produced rather than letting a free market determine them. Olson agrees that there is some merit to this point of view, but he argues that government intervention is not enough to explain the poverty of these countries. Rather, the real problem is lack of individual rights that give people incentive to generate wealth. "If a society has clear and secure individual rights, there are strong incentives (刺激，动力) to produce, invest, and engage in mutually advantageous trade., and therefore at least some economic advance," Olson concludes.

Which of the following is true about Olson？

A．He was a fiction writer.

B．He edited the book Power and Prosperity.

C．He taught economics at the University of Maryland.

D．He was against the ownership of private property.

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第10题

Passage Two There are two factors which determine an individual's intelligence. The first

Passage Two

There are two factors which determine an individual's intelligence. The first is the sort of brain he is born with. Human brains differ considerably, some being more capable than others. But no matter how good a brain he has to begin with, an individual will have a low order of intelligence unless he has opportunities to learn. So the second factor is what happens to the individual the sort of environment in which he is reared (抚养). If an individual is handicapped environmentally, it is likely that his brain will fail to develop and he will never attain the level of intelligence of which he is capable.

The importance of environment in determining an individual's intelligence can be demonstrated by the case history of the identical twins, Peter and Mark. Being identical, the twins had identical brains at birth, and their growth processes were the same. When the twins were three months old, their parents died, and they were placed in separate foster (收养) homes. Peter was reared by parents of low intelligence in an isolated community with poor educational opportunities. Mark was reared in the home of well-to-do parents who had been to college. He was read to as a child, sent to good schools, and given every opportunity to be stimulated intellectually. This environmental difference continued until the twins were in their late teens, when they were given tests to measure their intelligence. Mark's IQ was 125, twenty-five points higher than the average and fully forty points higher than his identical brother. Given equal opportunities, the twins, having identical brains, would have tested at roughly the same level.

36. This selection can be titled ______.

A. Measuring Your Intelligence

B. Intelligence and Environment

C. The Case of Peter and Mark

D. how the Brain Influences Intelligence

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第11题

What is the 'biggest city in the world？ That is, （21) city has the largest population？ Thi

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So we can say that these are our two (29) for comparing the populations of cities: one, it's difficult to determine the (30) of a city, and two, it is difficult to get accurate information.

21. A. what

B. which

C. where

D. how

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