题目内容

18.Leon McCarthy,12,was born without fingers on his left hand.That didn't stop him from being able to do many tasks.But Leon could not grasp more than one object at a time.So Leon's father,Paul,created a Prosthesis(假肢),using a 3D printer.Now Leon has fingers that open and close."It was a do-it-yourself,father-and-son adventure,"says Paul.
When Leon was a baby,his doctor advised his parents not to give him a prosthetic hand until he was in his early teens."The doctor said Leon should first learn to get full use out of the hand he was born with,"says Paul.As Leon got older,his father looked into buying a prosthetic hand,which can cost as much as 30,000.Paul found a more affordable solution.
One day,Paul discovered a video on the Internet about Robohand,a prosthesis created with a 3D printer.He downloaded the free instructions and called Robohand's creators for advice.They told him all he needed was a 3D printer-which costs around 2,000-and some materials.
Luckily,Leon's school had recently purchased a 3D printer and it offered to help Paul build the hand for Leon."We used a soccer shinguard(护胫),cardboard,and tape.They cost about 10,"says paul.
With his new hand,Leon can do things better."I can help my mom more,because now I can carry two grocery bags,"he says.
Leon's father has already built several hands for Leon.Leon helps design each one.He says there's one thing in particular that he wants to do with a future prosthesis."The goal,"he says,"is to be able to tie my shoelaces(鞋带)."
21.Why did Leon's doctor disapprove of(不同意) his using a prosthesis in his childhood?C
A.The prosthetic technology was underdeveloped then.
B.A prosthesis was very expensive at that time.
C.To master the disabled hand was important.
D.The original hand could do many tasks.
22.Leon's father managed to get Leon a new hand byD.
A.collecting money on the Internet          
B.buying a prosthetic hand
C.purchasing a 3D printer                 
D.printing a hand
23.The materials used for Leon's hand can be described asA.
A.cheap and common                    
B.strange and valuable
C.personal and lovely                    
D.basic and solid
24.What's the best title for the text?B
A.A DIY Enthusiast 
B.A Helping Hand
C.A Great Adventure  
D.A Lucky Escape.

分析 本文主要写了Jayson天生左手没有手指头,为了帮助孩子他爸爸用3D打印机为孩子建了假肢.

解答 21.C 细节理解题.根据医生的话The doctor said Jayson should first learn to get full use out of the hand he was born with.Jayson应该先学会充分利用他天生的手,所以答案选C.
22.D  细节理解题.根据句子Jayson's school had recently purchased a 3D printer and it offered to help Paul build the hand for Jayson,Jayson的学校拥有3D打印机,它帮助Jayson的爸爸Paul为Jayson建了一个假手,所以答案选D.
23.A细节题.根据文章内容his father looked into buying a prosthetic hand,which can cost as much as 30,000.Paul found a more affordable solution…They told him all he needed was a 3D printer-which costs around 2,000-and some materials.买假肢要花费3000多,而3D打印机只需要2000多,相比较而言,3D打印的手是经济又实惠的,故选A
24.B 主旨大意题.本文主要写了Jayson天生左手没有手指头,为了帮助孩子他爸爸用3D打印机为孩子建了假肢.所以答案选B.

点评 本文是一个人物故事类阅读理解,题目涉及多道细节理解题,做题时结合原文和题目有针对性的找出相关语句进行仔细分析,结合选项选出正确答案.推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案,切忌胡乱猜测,一定要做到有理有据.

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