According to the passage, some engineers are trying to improve the handlebars because The passage implies that

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问题 According to the passage, some engineers are trying to improve the handlebars because
The passage implies that

选项 A、it is not easy to persuade manufacturers to adopt the new design.
B、the team of engineers has not found any countermeasures.
C、children like to ride bicycles at a very low speed.
D、a lot of children were killed in bicycle accidents in the past 30 years.

答案A

解析 题意:本段暗示了说服生产商采用新的设计并不是件容易的事。通过阅读短文第四段最后一句和第五段第一句可以推断出A为正确答案,故选A。
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