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Embedded operating systems are designed to be used in embedded computer systems.（）
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发布时间：2022-01-07
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第3题
Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are disturbed among buyers. The price system of the United States is a very complex network composed of the price of all the products brought and sold in the economy as well as those of numerous services, including labor, professional transportation, and public-utility services.
The interrelationships of all these prices make up the “system” of prices. The prices of any particular product or service are linked to a broad, complicated system of prices in which everything seems to depend more or less on everything else. If one were to ask randomly (随机地) a group of 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 as agreed upon in a market transaction (交易). 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 the payment will be made, the form. of money to be used, and the credit terms and discounts that supply to the transaction, guarantees on the product or service, delivery terms, return privileges, and other factors that comprise the total “package”being exchanged for the asked-for amount in order that they may evaluate a given price.
According to the passage, the price system is related primarily to ______.
A.labor and education
B.transportation and insurance
C.utilities and repairs
D.products and services
According to the passage, which of the following is NOT a factor in the complete understanding of price？A.Instructions that come with a product
B.The quantity of a product
C.The quality of a product
D.Guarantees that come with a product
In the last sentence of the passage, the word “they” refers to ________.A.return privileges
B.all the factors
C.the buyer and the seller
D.money
The paragraph following the passage likely discusses ________.A.unusual ways to advertise products
B.types of payment plans for service
C.theories about how products affect different levels of society
D.how certain elements of price “package” influence its market value
What is the best title for the passage？A.The Inherent Weakness in the Price System
B.The Complexities of the Price System
C.Credit Terms in Transactions
D.Resource Distribution and the Public Sector
