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  3. Video recorders and photocopiers(复印机), even ticket machines on the railways,

Video recorders and photocopiers(复印机), even ticket machines on the railways,

游客2023-07-27  29
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. [br] The author had trouble operating his VCR became ______.
选项 A、he had neglected the importance of using the timer
B、the machine had far more technical features than necessary
C、he had set about using it without proper training
D、its operation was far more difficult than the designer intended it to be
答案 B
解析 推断题。本题问的是：作者操作VCR时有困难，原因是______。根据文章第3段第1句“Some manufacturers say they concentrate on providing a wide range of features rather than on making the machines easy to use”，可知有些制造商说他们会致力于开发机器的广泛的功能，而并非让它们更易于使用。由此推断，作者之所以花了很长时间还没有完全掌握操作也是因为不必要的功能太多了，故选B 。
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