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两道很令我困惑的题目 ?大家帮着看一下!!! 1. Although the ratio of physicians to total population is about the same in the US and Canada, the US has 33%more surgeons per capita. Clearly, this is the reason people in the US undergo 40% more operations per capita than do Canadians. The explanation given above rests on an assumption that (a) patients in the US do not have a greater need for surgery than do patients in Canada (b) the population of the US is not larger than that of Canada (c) US patients sometimes travel to Canada for certain kinds of surgery (d) general practitioners in the US do not as a rule examine a patient who is a candidate for surgery before sending the patient to a surgeon (e) there are no unnecessary surgical operations performed in Canada 答案说是选Ａ， 困惑中．．．．觉得应该选Ｅ ２. One state adds a 7% sales tax to the price of most products purchased within its jurisdiction. This tax, therefore, if viewed as tax on income, has the reverse effect of the faderal income tax: the lawer the income, the higher the annual percentage rate at which the income is taxed. The conclusion above would be properly drawn if which of the following were assumed as a premise? (a) the amount of money citizens spend on products subject to the state tax teens to be equal across income levels (b) the fedetal income tax favors citizens with high incomes, wheresa the state sales tax fabors citizens with low incomes (c) citizens with low annual incomes can afford to pay a relatively higher percentage of their incomes in state sales tax, since their fedetal income tax is relatively low (d) the lower a state's sales tax, the more it will tend to redistribute income from the more affluent citizens to the rest of society (e) citizens who fail to earn federally taxable income are also exempt from the state sales tax 答案说选Ａ， 不理解，谁能解释一下呀？ 不胜感激啊！！！   | 
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发表于 2006-10-28 12:38:00
