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 这是一个推理题。从第四段的最后一个句子和第五段的第一个句子可以推出A,即说服生产厂家采纳新设计并非易事。根据第四段第一个句子,我们可以断定选项B是错的。选项C的内容“孩子们喜欢骑慢车”无法从文章中推出:根据文章的开头,“自行车事故致使孩子们丧生”只是一种可能性,我们无法就此推出选项D。
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