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        There is a simple economic principle (原则，法则，原理)used to determine prices．It is called the law of supply and demand．Supply means the amounts of or access to certain goods．Demand represents the number of people who want those goods．If there are more goods than wanted, the price of them fails．On the other hand, if the demand for those goods is much greater than the supply, then the price rises of course．Manufactures prefer to see more goods at increased prices.

        Which of the following titles best express the ideas of the passage?

    A．Economic Principles

    B．Law of Supply and Prices

    C．More Goods, Lower Prices

    D．Fewer Gods, Hitcher Prices

     

    答案：B
    提示：

    本段主要讲是一条简单的经济原理―供求原则。

     


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