2. 外语
  3. A. provides B. due to C. construction D. serving E. ascending F. enterprise G. despite

A. provides B. due to C. construction D. serving E. ascending F. enterprise G. despite

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问题     A. provides        B. due to        C. construction        D. serving        E. ascending
    F. enterprise      G. despite       H. permits             I. qualified      J. adjusting
    K. harmful         L offers         M. element             N. imports        O. admits
    Consumers and producers obviously make decisions that mold the economy, but there is a third major【C1】________ to consider the role of government. Government has a powerful effect on the economy in at least four ways:
    Direct Services. The postal system, for example, is a federal system【C2】________ the entire nation, as is the large and complex establishment. Conversely the【C3】________ and maintenance of most highways is the responsibility of the individual states, and the public educational systems,【C4】________ a large funding role by the federal government, are primarily paid for by state or city governments. Police and fire protection and sanitation services are also the responsibilities of local government.
    Regulation and Control. The government regulates and controls private【C5】________, in many ways, for the purpose of assuring that business serves the best interests of the people as a whole. Regulation is necessary in areas where private enterprise is granted a monopoly, such as in telephone or electric service. Public policy【C6】________ such companies to make a reasonable profit, but limits their ability to raise prices unfairly, since the public depends on their services. Often control is exercised to protect the public, as for example, when the Food and Drug Administration bans【C7】________ drugs, or requires standards of quality in food.
    Stabilization and Growth. Branches of government including Congress attempt to control the extremes of boom and bust of inflation and depression, by【C8】________ tax rates, the money supply, and the use of credit. They can also affect the economy through changes in the amount of public spending by the government itself. Direct Assistance. The government【C9】________ businesses and individuals with many kinds of help. For example, tariffs permit certain products to remain relatively free of foreign competition; 【C10】________ are sometimes taxed so that American products are able to compete better with certain foreign goods.
【C1】
选项
答案M
解析 由空格前的a third major，可推断应填入可数名词单数。上文提到“消费者的决定”和“生产者的决定”这两个塑造经济的要素，而后随即提出了影响经济的第三个因素：政府的作用，element“要素”符合语义。
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