2019版一轮复习英语外研版:单元检测三十五Cloning.doc.pdf
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1、单元检测(三十五)Cloning I . 阅读理解 A An 18-year-old who just finished high school has developed a revolutionary device (装置) which allows visually impaired or blind people to be more mobile after coming up with the idea when he was 12. “To be considered is a real hono匚1( means the work we , re doing is really
2、 valuable, ” Alex Deans said ? The teen, from Ontario in Canada, began creating the tool after becoming curious while helping a visually impaired lady cross the street one day. “She told me that all existing de vices only let users see in one direction so they cant know what,s going on around them,
3、” he told GOOD magazine, after seeing she only had a stick and guide dog 一two things that are hard to come by. The device, known as iAid, uses GPS (Global Positioning System) and ultrasonic (超声波 白勺)technology to help visually impaired people get around safely? The belt-like tool comes with a control
4、 handle and works by using sound waves to discover objects in the users , path and show how close things are to them. The iAid works much like a bat uses sonar (声呐)? The teens invention has been attracting attention and it won the 2015 Weston Youth Innovation Award in May for which Alex was awarded
5、$2,000 at a ceremony at the Ontario Science Centre last month. “The entire group of judges was impressed by Alex s creativity, motivation and dedication (奉 献)to building his design over a four-year period ? We look forward to seeing future inventions from this outstanding young inventor, ” said Hool
6、ey McLaughlin, chief science officer at the Ontario Science Centre ? Alex is now working closely with the team at the science centre to hold an exhibition for his invention? He was also given the opportunity to give a presentation at We Day 一stadium-sized events where speakers lecture about global i
7、ssues across the US, Canada, and the UK. Alex will be starting at Montreaf s McGill University in the autumn, but hopes the iAid will be approved for US and Canadian rights so that, one day, the device will be available for those who really need it across the world. 语篇解读:本文是一篇记叙文。加拿大一名学生发明了一种能够帮助盲人自
8、由行走的装置。 1 ? How did Alex come up with his idea? A.He got the idea from a magazine. B ? He was inspired by a blind woman. C. He found it hard to use a guide dog ? D? He noticed existing tools , weaknesses ? 解析:选B 细节理解题。由第三、四段可知,亚历克斯受到一位盲人女士的启发,想岀了这个 创意。 2.The bat probably uses sonar to _ ? A. keep it
9、s balance in flight B ? block harmful sound waves C. communicate with other bats D? find out the position of objects 解析:选D 推理判断题。由第六段中的“works by using sound waves to discover objects in the users path and show how close things are to them“可推断,蝙蝠用声呐系统对周围的物体进行定位。 3.Which of the following is expressed
10、in McLaughlins words? A. Doubt. B Surprise. C. Praise. D. Puzzle. 解析:选C 推理判断题。由倒数第三段可知,McLaughlin的这番话饱含着对亚历克斯的赞扬。 4.What is Alex preparing for at present? A. A show of his iAid. B. His college studies. C. An awards ceremony. D. The speech at We Day. 解析:选A 细节理解题。由倒数第二段中的“Alex is now working closely w
11、ith the team at the science centre to hold an exhibition for his invention?9可知,他正在筹备他这项发明的展览。 B I plan to remember this years vacation season with just two words: Never again. Never again will I take all my technology along ? When I first visited my in-laws cabin in Ontarios north woods 35 years ago
12、, there was no such thing as the Internet. The nearest telephone was one mile away, and we were beyond the reach of television. Our media diet consisted of a battery-powered radio. I know I risk sounding like an aging crank (怪人) ,but the life then was simple. Now we re burdened with modem civilizati
13、on. The cabin is just close enough to civilization to get a strong cellphone signal. Instead of browsing dog-eared summer-house mystery novels, this year we browsed the Internet. Instead of long evenings of poker, we checked our Twitter and updated our Facebook pages. For several years, I kept my In
14、ternet addiction under control by using inconvenient technology: an old laptop and a slow dialing-up connection. But this year, the combination of a new iPad and that neat Wi-Fi turned out to be hard to resist ? The iPad beckoned (吸弓I) us silently from the picnic table: What harm could it be to give
15、 the email a quick check? But once that touchscreen lights up, who can say no to it? Access to the Web is unquestionably a wonderful thing. I love having a bottomless library at my fingertips; I love having the world 5 s newspapers on my electronic doorstep ? I love being able to pay bills and make
16、airplane reservations on line ? And thats the point: Its important not to let the convenience of the Internet get in the way of simple beauties? Thats not the Internet , s fault. Its ours? The first step toward recovery is admitting you have a problem ? My problem isnt the Internet; it s learning ho
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