The United States is widely recognized to have a private economy because privately owned businesses play【C1】________roles. The A

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问题     The United States is widely recognized to have a private economy because privately owned businesses play【C1】________roles. The American free enterprise system【C2】________private ownership more than public sectors. Private businesses produce【C3】________goods and services,【C4】________almost two-thirds of the nation’s total economic output goes to【C5】________for personal use. The consumer role is【C6】________great, in fact, that the nation is sometimes characterized as having a "【C7】________economy".
    This emphasis【C8】________private ownership arises,【C9】________, from American beliefs about personal freedom. From the time the nation was【C10】________, Americans have【C11】________excessive government power, and they have sought to【C12】________government’s authority over individuals—including its role in the economic realm.
    【C13】________, Americans generally believe that an economy largely with private ownership is likely to operate more【C14】________than【C15】________with substantial government ownership. When economic forces are unfettered, Americans believe, supply and demand【C16】________the price of good and services. Prices, in turn, tell businesses what to produce; if people want more of a particular good than the economy is producing, the price of the goods【C17】________. That catches the attention of new or other companies that,【C18】________an opportunity to earn profit, start producing more【C19】________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 【C20】________goods.
【C17】

选项 A、falls
B、raises
C、rises
D、climbs

答案C

解析 本填空选择动词,只要分析上下文的原文信息就可以判断出答案。前面的原文信息为Prices,in turn,tell businesses what to produce(价格指导企业生产什么),if people want more of a particular good than the economy is producing(如果人们需求的某种产品数量超过现在经济的生产量);然后就出现了本填空所在的句子:the price of the goods________,很容易猜出这个动词是“上升”,所以首先排除A项falls(下降),D项climbs(爬升)和B项raises(上涨,增加)是及物动词,语法上不适合填入本空;最佳选项为C项rises,表示“上涨,上升”,并且是不及物动词。
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