2. 考研
  3. The United States is widely recognized to have a private economy because privately owned business play【B1】______ roles. The Amer

The United States is widely recognized to have a private economy because privately owned business play【B1】______ roles. The Amer

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问题     The United States is widely recognized to have a private economy because privately owned business play【B1】______ roles. The American free enterprise system【B2】______private ownership more than public sectors. Private businesses produce 【B3】______ goods and services, 【B4】______almost two-thirds of the nation’ s total economic output goes to 【B5】______ for personal use. The consumer role is 【B6】______ great, in fact, that the nation is sometimes characterized as having a "【B7】______economy".
    This emphasis 【B8】______ private ownership arises,【B9】______, from American beliefs about personal freedom. From the time the nation was【B10】______, Americans have【B11】______excessive government power, and they have sought to【B12】______government’s authority over individuals—including its role in the economic realm.
    【B13】______Americans generally believe that an economy largely with private ownership is likely to operate more【B14】______than【B15】______with substantial government ownership. When economic forces are unfettered, Americans believe, supply and demand【B16】______the prices of goods and services. Prices, in turn, tell businesses what to produce; if people want more of particular goods than the economy is producing, the price of the goods【B17】______. That catches the attention of new or other companies that,【B18】______an opportunity to earn profits, start producing more【B19】______that goods. On the other hand, if people want less of the goods, prices fall and less competitive producers either go out of business or start producing【B20】______goods.
【B14】
选项 A、powerfully
B、efficiently
C、sufficiently
D、fundamentally
答案B
解析 考查副词辨析。空格处所在的句子意在表达“美国人将私有产权构成的经济体与公有产权构成的经济体进行比较”，又因文章主线在表达私有产权经济优于公有产权经济。powerfully“有力地”；efficiently“有效率地”；sufficiently“足够地”；fundamentally“根本地”。operate意为“运营”，因此B．efficiently为最佳选项。
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