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  3. Video recorders and photocopiers(复印机), even ticket machines on the railways, often seem unnecessarily difficult to use. Last De

Video recorders and photocopiers(复印机), even ticket machines on the railways, often seem unnecessarily difficult to use. Last De

admin2010-05-26  62
问题     Video recorders and photocopiers(复印机), even ticket machines on the railways, often seem unnecessarily  difficult to use. Last December I bought myself a Video cassette recorder (VCR) described as "simple to use". In the first three weeks I failed repeatedly to program the machine to record from the YV, and after months of practice l still made mistakes. I am not alone. According to a survey last year by Ferguson, the British manufacturer, more than one in four VCR owners never use the timer on their machines to record a programme: they don’t use it because they’ve found it far too hard to operate. So why do manufacturers keep on designing and producing VCRs that are awkward to use if the problems are so obvious?
    First, the problems we notice are not obvious to technically minded designers with years of experience and trained to understand how appliances work. Secondly, designers tend to add one or two features at a time to each model, whereas you or I face all a machine’s features at once. Thirdly, although finding problems in a finished product is easy, it is too late by then to do anything about the design. Finally, if manufacturers can get away with selling products that are difficult to use, it is not worth the effort of any one of them to make improvements.
    Some manufacturers say they concentrate on providing a wide range of features rather than on making the machines easy to use. But that gives rise to the question, "why can’t you have features that are easy to use?" The answer is you can.
     Good design practice is a mixture of specific procedures and general principles. For a start, designers  should build an original model of the machine and try it out on typical members of the public—not on colleagues in the development laboratory. Simple pubic trials would quickly reveal many design mistakes. In an ideal world, there would be some ways of controlling quality such ms that the VCR must be redesigned repeatedly until, say, 90 percent of users can work 90 per cent of the features correctly 90 per cent of the time.
It seems that manufacturers will remain reluctant to make improvements unless ______.
选项 A、they can do so at a very Iow cost
B、they find their machines hard to operate
C、they have difficulty selling their products
D、they receive a lot of complaints about their machines
答案C
解析 细节题。本题问的是：似乎制造商不愿意做出改进，除非______。根据第2段第4句“Finally，if manufacturers can get away with selling products that are difficult to use，it is not worth the effort of any one of them to make improvements”可知，如果制造商能够逍遥自在地卖出难以使用的产品，那么他们将不会花任何力气进行改进。故选C 。
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