2. 外语
  3. It is sometimes difficult to explain what price is, though it is one of the frequently used terms in people’s daily life. What i

It is sometimes difficult to explain what price is, though it is one of the frequently used terms in people’s daily life. What i

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问题     It is sometimes difficult to explain what price is, though it is one of the frequently used terms in people’s daily life. What is price then? Actually, it 【S1】______ how resources are to be used. They are also the means by which products and services that are in limited supply are allocated among buyers. The price system of the United States is a complex network 【S2】______ of the prices of all products bought and sold in the economy as well as those of a variety of services, including labor, 【S3】______ transportation, and public-utility services. The price of any particular product or service is linked to a broad, 【S4】______ system of prices in which everything seems to 【S5】______ more or less upon everything else.
    In a simple definition, price is the money value of a product or service as agreed upon in a market 【S6】______ . However, for a complete understanding, much more than the amount of money 【S7】______ must be known. Both the buyer and the seller should be 【S8】______ with not only the money amount, but with the quality of the product to be 【S9】______ , and the time and place at which the exchange will take place, and so on. In other words, they have to be 【S10】______ aware of all the factors that comprise the total "package" being exchanged for the asked-for amount of money so that they may evaluate a given price.

A) fully           B) depend            C) profession          D) determines
E) involved        F) transaction       G) familiar            H) partially
I) clear           J) composed          K) exchanged           L) professional
M) including       N) similar           O) complicated  
【S7】
选项
答案E
解析 involved表示“涉及到的”，在这个句子中是过去分词作后置定语。
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大学英语四级

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