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28. (31510-!-item-!-188;#058&004526) First-time computer buyers buyingPXC home computers typically buy models that cost much less and have a smallerprofit margin per computer than do PXC computers bought by people replacingtheir computers with more powerful models. Last year PXC's profits from computer sales were substantially higherthan the previous year, although about the same number of PXC computers weresold and the prices and profit margins for each computer model that PXC sellsremained unchanged. If the statements above are true,which of the following is most strongly supported by them? (A) PXC's competitors raised theprices on their computers last year, making PXC computers more attractive tofirst-time computer buyers. (B) The number of people buying PXCcomputers who also bought PXC computer-related products, such as printers, waslarger last year than the previous year. (C) Among computer buyers whobought a PXC computer to replace their existing computer, the proportion whowere replacing a computer made by a competitor of PXC was greater last yearthan the previous year. (D) The proportion of PXC computersbought by first-time computer buyers was smaller last year than the previousyear. (E) PXC's production costs for its computers were lower lastyear than they had been the previous year.
呜呜 哪位大牛能给我讲一下题目到底在讲神马，我怎么看不懂啊啊啊！！！欲哭无泪~~~~(>_<)~~~~
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发表于 2013-4-12 11:20:53
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