B. they may kill children
C. they are likely to crash
D. they make the bike move at a low speed
1。B． 分析：借助常識(shí)判斷A不是答案；利用題干中的核心詞engineers 和handlebars作為答案線索，這樣找到答案相關(guān)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. 劃線句說(shuō)“車把手不 安全 會(huì)嚴(yán)重的傷害孩子，甚至殺死孩子，所以工程師們參加了競(jìng)標(biāo)對(duì)車把進(jìn)行重新設(shè)計(jì)，以使其更加安全”
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.
2 D。分析：利用題干中的核心結(jié)構(gòu)serious abdominal injuries作為答案線索，問(wèn)題問(wèn)及目的，所以注意段落中表示目的的句子/結(jié)構(gòu)，這樣找到答案相關(guān)句：Kristy Arobogast, a bioengineer at the Children’s Hospital of Philadelphia in Pennsylvania began the project with her colleagues after a study of serious abdominal injuries in children in the past 30 years（a study主語(yǔ)是） showed that more than a third were caused by bicycle accidents. “The task was to identify how the injuries occurred and come up with some countermeasures該結(jié)構(gòu)是表示目的，結(jié)構(gòu)含義是“辨別受傷是怎樣產(chǎn)生的，并想出一些應(yīng)對(duì)措施”因此判斷A和C錯(cuò)誤 ” she said. 在前面的長(zhǎng)句子中showed的主語(yǔ)是“a study”而不是“Kristy Arobogast”，因此判斷B錯(cuò)誤。也可以借助文章的邏輯來(lái)加以答案的判斷：后面的段落中在具體講述實(shí)驗(yàn)進(jìn)行的內(nèi)容，（By interviewing the children and their parents, Arogast and her team were able to reconstruct… They discovered that.. To maintain their balance they turn ..）卻沒有講述這個(gè)實(shí)驗(yàn)/項(xiàng)目的目的，所以判斷D是答案。
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（顛翻）
D. how serious injuries occur
3． D.分析：因?yàn)樯隙沃刑岬搅搜芯康哪康氖恰氨鎰e受傷是怎樣產(chǎn)生的，并想出一些應(yīng)對(duì)措施”，因此推斷C和D可能是答案。而該段的第1句(觀點(diǎn)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.(與D呼應(yīng))而接下來(lái)的句子也是在具體說(shuō)他們?nèi)绾芜M(jìn)行的實(shí)驗(yàn)—They discovered that…To maintain their balance they turn the handlebars through 90 degree--…The bike then falls over and..
C. they are likely to crash
D. they make the bike move at a low speed
1。B． 分析：借助常識(shí)判斷A不是答案；利用題干中的核心詞engineers 和handlebars作為答案線索，這樣找到答案相關(guān)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. 劃線句說(shuō)“車把手不 安全 會(huì)嚴(yán)重的傷害孩子，甚至殺死孩子，所以工程師們參加了競(jìng)標(biāo)對(duì)車把進(jìn)行重新設(shè)計(jì)，以使其更加安全”
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.
2 D。分析：利用題干中的核心結(jié)構(gòu)serious abdominal injuries作為答案線索，問(wèn)題問(wèn)及目的，所以注意段落中表示目的的句子/結(jié)構(gòu)，這樣找到答案相關(guān)句：Kristy Arobogast, a bioengineer at the Children’s Hospital of Philadelphia in Pennsylvania began the project with her colleagues after a study of serious abdominal injuries in children in the past 30 years（a study主語(yǔ)是） showed that more than a third were caused by bicycle accidents. “The task was to identify how the injuries occurred and come up with some countermeasures該結(jié)構(gòu)是表示目的，結(jié)構(gòu)含義是“辨別受傷是怎樣產(chǎn)生的，并想出一些應(yīng)對(duì)措施”因此判斷A和C錯(cuò)誤 ” she said. 在前面的長(zhǎng)句子中showed的主語(yǔ)是“a study”而不是“Kristy Arobogast”，因此判斷B錯(cuò)誤。也可以借助文章的邏輯來(lái)加以答案的判斷：后面的段落中在具體講述實(shí)驗(yàn)進(jìn)行的內(nèi)容，（By interviewing the children and their parents, Arogast and her team were able to reconstruct… They discovered that.. To maintain their balance they turn ..）卻沒有講述這個(gè)實(shí)驗(yàn)/項(xiàng)目的目的，所以判斷D是答案。
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（顛翻）
D. how serious injuries occur
3． D.分析：因?yàn)樯隙沃刑岬搅搜芯康哪康氖恰氨鎰e受傷是怎樣產(chǎn)生的，并想出一些應(yīng)對(duì)措施”，因此推斷C和D可能是答案。而該段的第1句(觀點(diǎn)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.(與D呼應(yīng))而接下來(lái)的句子也是在具體說(shuō)他們?nèi)绾芜M(jìn)行的實(shí)驗(yàn)—They discovered that…To maintain their balance they turn the handlebars through 90 degree--…The bike then falls over and..