_________（50）A.The task according to Kristy was t
_________（50）
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.
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答案：B
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。解答此题关键要看下文，在下一句中，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）就是时这个问题的陈述，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，这也是该空格选B的原因。