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  3. Pushbike Peril Low speed bicycle crashes can badly injure or even kill children if they fall onto the end of the handlebars

Pushbike Peril Low speed bicycle crashes can badly injure or even kill children if they fall onto the end of the handlebars

admin2011-01-05  60
问题                               Pushbike Peril
    Low speed bicycle crashes can badly injure or even kill children if they fall onto the end of the handlebars (自行车把). (46)
    Kristy Arbogast, a bioengineer (生物工程师) at the Children’s Hospital of Philadelphia in Pennsylvania, began the project with her colleagues after a study of serious abdominal(腹部的) injures in children in the past 30 years and showing that more than a third were caused by bicycle accident. (47)
    By interviewing the children and their parents, Kristy and her team were able to reconstruct many of the accidents and identified a common mechanism responsible for serious injuries. (48) To maintain their balance they turn the handlebars through 90 degrees, but their momentum (动力) forces them into the end of the handlebars. (49)
    The solution the group came up with is a hand grip (握柄) fitted with a spring and damping (缓冲) system. The spring absorbs up to 50 percent of the forces transmitted through the handlebars in an impact. (50) "But our task has been one of education because up until now, bicycle manufactures were unaware of the problem, " says Kristy.
    The term has also approached the U. S. Consumer Product Safety Commission to try to persuade manufactures to adopt the new design. A decision is expected later this year.
A. The task according to Kristy was to identify how the injuries occurred and to come up with some countermeasures (对策).
B. The group hopes to commercialize (使商业化)the device, which should add only a few dollars to the cost of a bike.
C. So a team of engineers is redesigning (重新设计) the humble handlebar in a bid to make it safer.
D. When the task is over, the engineers believe, there are probably no such injuries or tragedies among bicycle-drivers.
E. The bike then falls over and the other end of the handlebars hits the ground ramming it into their abdomen.
F. They discovered that most injuries occur when children hit an obstacle at a slow speed, causing them to topple over.
选项
答案B
解析 本题考查的是对上下文之间的意义关系的理解及对文章细节的把握。对此题的解答关键要看下文：下一句中研究员说，现在的任务是使大多数的自行车制造商意识到这个问题，我们可以推知空格(50)就是对这个“问题”的陈述，即如何能使这种装置商业化。其实最后一段说研究员还联系了美国消费者产品安全协会，希望能说服制造商接纳这一设计，这都是该空格选B的原因。
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