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四、逻辑判断。每题给出一段陈述。这段陈述被假设是正确的。不容置疑的。要求你根据这段陈述，选择一个答案。注意正确的答案应与所给的陈述相符合，不需要任何附加说明即可以从陈述中直接推出。
第 71 题 国家最大的零售商们报道：过去的6个月是销售旺季，但是在这个销售旺季，利润却比通常要低，这是不寻常的，因为通常而言，当销售增加时，利润也增加。
下列哪一项，假如在过去6个月正确，最有助于解释上面所描述的不寻常现象？（）
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对于投资性物业购买者而言,()往往决定了其愿意支付的价格水平。
【C12】
按照商品价格构成理论,下面不属于设备工程投资的理论构成的是()。
Business and government leaders also consider the inflation rate to be an important general indicator. Inflation is a period of increased【C1】______ that causes rapid rises in prices.【C2】______ your money buys fewer goods so that you get.【C3】______ for the same amount of money as before, inflation is the problem. There is a general rise【C4】______ the price of goods and services. Your money buys less. Sometimes people describe inflation as a(n)【C5】______ when "a dollar is not worth a dollar anymore.
Inflation is a problem for all consumers. People who live on a fixed income are hurt the【C6】______ .Retired people, for instance, cannot【C7】______ on an increase in income as prices rise. Elderly people who do not, work face serious problems in stretching their incomes to【C8】______ their needs in time of inflation. Retirement income【C9】______ any fixed income usually does not rise as fast as prices. Many retired people must cut their spending to【C10】______ rising prices. In many cases they must stop【C11】______ some necessary items, such as food and clothing. Even【C12】______ working people whose incomes are going up, inflation can be a problem. The【C13】______ of living goes up, too. People who work must have even more money to keep up their standard of living. Just buying the things they need costs more. When incomes do not keep【C14】______ with rising prices, the standard of living goes down. People may be earning the same amount of money, but they are not living【C15】______ because they are not able to buy as many goods and services.
Government units gather information about prices in our economy and publish it as price indexes 【C16】______ the rate of change can be determined. A price index measures changes in prices using the price for a【C17】______ year as the base. The base price is set 【C18】______ 100, and the other prices are reported as a【C19】______ of the base price. A price index makes【C20】______ possible to compare current prices of typical consumer goods, for example, with prices of the same goods in previous years.
【C1】
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