2. 外语
  3. A. weak B. as C. difficult D. convincing E. missing F. surprise G. consumption H. prices I. conversely J. help K. foxed

A. weak B. as C. difficult D. convincing E. missing F. surprise G. consumption H. prices I. conversely J. help K. foxed

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问题     A. weak B. as C. difficult D. convincing E. missing
    F. surprise G. consumption H. prices I. conversely J. help
    K. foxed L. off M. overwhelmingly N. spot O. dumb
    When shopkeepers want to lure customers into buying a particular product, they typically offer it at a discount. According to a new study to be published in the Journal of Marketing, they are【C1】______ a trick.
    A team of researchers, led by Akshay Rao of University of Minnesota, looked at consumers’ attitudes to discounting. Shoppers, they found, much prefer getting something extra free to getting something cheaper. The main reason is that most people are【C2】______ at fractions.
    Consumers often struggle to realise, for example, that a 50% increase in quantity is the same as a 33% discount in price. They【C3】______ assume the former is better value. In an experiment, the researchers sold 73% more hand lotion when it was offered in a bonus pack than when it carried an equivalent discount.
    This numerical blind【C4】______ remains even when the deal clearly favours the discounted product. In another experiment, this time on his undergraduates, Mr. Rao offered two deals on loose coffee beans: 33% extra free or 33%【C5】______ the price. The discount is by far the better proposition, but the experiment shows the supposedly clever students viewed them【C6】______ equivalent Marketing types can draw lessons beyond just pricing, says Mr. Rao. When advertising a new car’s efficiency, for example, it is more【C7】______ to talk about the number of extra miles per gallon it does, rather than the equivalent percentage fall in fuel【C8】______.
    There may be lessons for officials who regulate prices too. Even well-educated shoppers are easily【C9】______. Sending everyone back to school for maths seems out of the question. But more prominently displayed unit prices in shops and advertisements would be a great【C10】______.
【C2】
选项
答案A
解析 空格前的are提示，空格处应填入形容词或分词。打折实际上是更省钱的，但人们不爱打折爱赠品，空格后的fractions本指“分数”，这里引申为算术，由此可推断，大部分人不擅长数学，词库中weak“弱的”符合上下文语境。dumb“愚蠢的”代入，表示“大部分人愚蠢”，不符合现实，而且dumb也一般不用于be～at结构中，可排除。
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