2． 直接解题：
1. According to the passage, some engineers are trying to improve the handlebars（车把） because
A. they are not noble enough
B. they may kill children
C. they are likely to crash来源：考试大
D. they make the bike move at a low speed
1．B． 分析：借助常识判断A不是答案；利用题干中的核心词engineers 和handlebars作为答案线索，这样找到答案相关句：Low speed bicycle crashes can badly injure –or even kill –children if they fall onto the ends of the handlebars. So a team of engineers is redesigning handlebar in a bid to make it safer. 划线句说“车把手不安全会严重的伤害孩子，甚至杀死孩子，所以工程师们参加了竞标对车把进行重新设计，以使其更加安全”来源：考试大
2. In paragraph 2, the author mentions a study of serious abdominal injuries
A.to discuss how abdominal injures in children occur.
B.To show that more than a third injuries were caused by bicycle accident
C.To point out what the countermeasures can be
D. To tell us why Kristy Arbogast began the project.
3. Paragraph 3 mainly discusses
A. why the children and their parents were interviewed
B. when the children turn the handlebars through 90 degrees
C. what causes the children to topple over（颠翻）
D. how serious injuries occu来源：考试大r
3．D.分析：因为上段中提到了研究的目的是“辨别受伤是怎样产生的，并想出一些应对措施”，因此推断C和D可能是答案。而该段的第1句(观点句) 概述了全段的大意：By interviewing the children and their parents, Arbogast and her team were able to reconstruct many of the accidents and identified a common mechanism responsible for serious injuries.(与D呼应)而接下来的句子也是在具体说他们如何进行的实验—They discovered that…To maintain their balance they turn the handlebars through 90 degree--…The bike then falls over and..
4. The passage implies that来源：考试大
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
4．A． 分析；该题问及从文章中能够推断出什么来，在论述文中往往在文章的开头和/或结尾处传递出文章的中心/观点，因此注意文章结尾(文章开头的语句与被选项都没有关系)：The team has also approached the US consumer Product Safety Commission to try to persuade manufacturers to adopt the new design.（该句表明B错误） A decision is expected later this year. 该句说“试图说服制造商”，因此推测出“说服制造商”不是一件容易的事情。
5. The new handgrip（手柄） works in which of the following ways?
A.it can be commercialized来源：考试大
B.it reduces the dangerous forces in bicycle accidents
C.it adds a few dollars to the cost of a bike
D.it changes the direction of the handlebars in an impact
5．分析：根据解答前面问题获取的信息：--伤害孩子的是把手的末断，因此推断B和D可能是答案。利用题干中的核心词handgrip作为答案线索，这样找到答案相关句：The solution the group came up with is a handgrip fitted with a spring and damping system. The spring absorbs up to 50 percent of the forces transmitted through the handlebars in an impact. 这两个句子说“手柄的弹簧能吸收在碰撞中通过把手而传递过来的50%的伤害力”，因此判断B是答案。
