1、UNIT 2 LOOKING INTO THE FUTURE课时分层作业(六).阅读理解AIf you could travel in time, where would you go? Perhaps you would watch an original performance of a Shakespeares play in Elizabethan England？What about hanging out with Laozi in the Spring and Autumn Period? Or maybe youd voyage far ahead of the present
2、 day to see what the future holds.The possibility of time travel is indeed appealing.Stories exploring the subject have been around for hundreds of years.Perhaps the best known example is science fiction novel The Time Machine, which was written by HG.Wells and published in 1895 for the first time.I
3、t was adapted into at least two feature films of the same name, as well as two television versions, and a large number of comic book adaptations.It is generally credited with the popularization of the concept of time travel using a vehicle that allows an operator to travel purposefully and selective
4、ly.The term “time machine”， coined by Wells, is now universally used to refer to a vehicle transporting people into the far future.But could time travel actually be possible? Some scientists say yes，in theory.They propose using cracks in time and space called “wormholes”， which could be used as shor
5、tcuts to other periods.Einsteins theory of relativity allows time travel in extreme circumstances.And British physicist Stephen Hawking says you could travel into the future with a really fast spaceshipgoing at nearly the speed of light.Though building such a spaceship would of course be no simple t
6、ask.Even if you could travel into the past, there is something called the “grandfather paradox”It asks what would happen if a time traveler were to go back in time and have his own grandfather killed for some reason, and therefore prevent himself from being born.If the time traveler wasnt born, how
7、would he travel back in time?And would you really like to visit the future? In HG.Wells book, the main character travels into distant time where he arrives at a beach and is attacked by giant crabs.He then voyages 30 million years into the future where the only living thing is a black object with te
8、ntacles(触角).If thats whats in store, maybe we are better just living in the present day after all.语篇解读时光穿梭可能实现吗？有些科学家认为理论上是可能的。1The novel The Time Machine mentioned in Paragraph 2 aims to show_Apeoples interest in time travelBthe special feature of the bookCthe long history of time travelDthe contri
9、bution of HG.WellsA细节理解题。根据第二段中的“The possibility of time travel is indeed appealing.”可知，时光穿梭的可能性的确很吸引人，所以选A项。2Einsteins and Hawkings theories_Ahave similarities in many waysBpush the invention of the first spaceshipChave proved wrong by some time travelersDsuggest the possibility to invent the time
10、machineD细节理解题。根据第三段提到的“Einsteins theory of relativity allows time travel in extreme circumstances.And British physicist Stephen Hawking says you could travel into the future with a really fast spaceshipgoing at nearly the speed of light.”可知，爱因斯坦的相对论允许在极端的环境下时光穿梭；英国物理学家斯蒂芬霍金说你可以用接近光速的宇宙飞船到未来旅行。由此可知，两
11、个人的理论证明了时间旅行的可能性，所以选D项。3In Paragraph 4, “grandfather paradox” probably refers to the idea that_Athe traveler is prevented from meeting his grandfatherBthe traveler goes back in time to seek for his grandfatherCthe grandfathers death makes the travelers birth impossibleDThe reunion of the traveler an
12、d his grandfather brings happinessC推理判断题。根据第四段提到的“It asks what would happen if a time traveler were to go back in time and have his own grandfather killed for some reason, and therefore prevent himself from being born.”可知，如果时光穿梭者回到过去，他的祖父因为某种原因而被杀死，那么时光旅行者就无法出生。如果时光旅行者没有出生，他怎么回到过去？所以选C项。4What is pro
13、bably the authors attitude towards time travel?AUnclear.BSkeptical.CSupportive. DUnconcerned.B推理判断题。根据最后一段中的“If thats whats in store，maybe we are better just living in the present day after all.”可知，如果这样的事情发生，我们还是最好活在现在，所以作者对时光穿梭持怀疑的态度，所以选B项。BNowadays six Amazon Scout delivery robots rolled out in a
14、pilot program in Snohomish County，Wash.The robots carry meals, groceries and packages to homes and offices in this region just north of Seattle.They have appeared on the sidewalks of London，Beijing and other cities and communities worldwide.These machines must overcome pedestrian legs, naughty dogs
15、and broken pavement, which raises some questions.These services are gaining attraction as a growing number of city residents expect immediate or scheduled delivery for just about everything.Between 2017 and 2018 online retail sales in the US.increased by 16 percent.On the final step of all these del
16、iveries，called the last mile, humans on bicycles, motorized scooters (电动车)or large delivery trucks typically deliver packages.All the vehicles compete for space on busy urban streets.“Deliveries are trending upwards in all crowded city centers，and if city and state leaders dont start thinking about
17、creative solutions like robot deliveries，we can expect even worse traffic jams，”says Paul Mackie, director of a transportation policy research center in Arlington.A study by this center found 73 percent of delivery vehicles in Arlington were parked outside of authorized areas, often blocking bike la
18、nes and crosswalks.By moving the last step of deliveries from the road to the sidewalk，cities could reduce traffic jams and solve the parking problem entirely，Mackie says.Companies such as Amazon are not developing this delivery technology simply to clear up urban traffic.Selfdriving vehicles and si
19、dewalk robots could cut down lastmile delivery costs in cities by as much as 40 percent, according to a 2018 report by a consultancy firm.A delivery robot can cost thousands of dollars to manufacture, and most currently require human management and conservation.But in the long run companies that use
20、 autonomous delivery vehicles in the next several years could end up saving billions of dollars, the report stated.语篇解读本文是一篇科普类短文。文章主要介绍亚马逊引进送货机器人以帮助缓解交通压力，节约配送成本。5Why does Amazon introduce delivery robots?ATo amuse its customers.BTo avoid pedestrians, dogs and broken pavement.CTo meet the increasin
21、g demand of delivering packages.DTo confirm the companys innovation spirit.C推理判断题。根据文章第二段中“These services are gaining attraction as a growing number of city residents expect immediate or scheduled delivery for just about everything.”可知，亚马逊引入送货机器人的目的是满足日益增长的包裹投递需求。6What does Paul Mackie mean by his w
22、ords in Paragraph 2?ARetail sales in the US.increased fast.BDeliveries stay steady in all crowded city centres.CRegardless of robot deliveries, traffic jams will remain the same.DRobots can help ease the traffic pressure.D细节理解题。根据文章第二段提到Paul Mackie认为，在所有拥挤的市中心，快递呈上升趋势，如果城市和州领导人不开始考虑机器人快递等创造性的解决方案，我们
23、可能会面临更严重的交通堵塞。由此可知，机器人可以帮助缓解交通压力。7What can robots delivery bring to the city?ABlock bike lanes and crosswalks.BRelieve urban traffic as well as save delivery costs.CIncrease danger to pedestrians.DLead to traffic jams.B细节理解题。根据文章最后一段的第一、二句“Companies such as Amazon are not developing this delivery te
24、chnology simply to clear up urban traffic.Selfdriving vehicles and sidewalk robots could cut down lastmile delivery costs in cities by as much as 40 percent”可知，机器人送货缓解城市交通压力，节约配送成本。8Which word can best describe the future of the robot delivery?AUncertain.BHopeless.CPromising. DUnacceptable.C推理判断题。根据
25、文章最后一段及最后一句“But in the long run companies that use autonomous delivery vehicles in the next several years could end up saving billions of dollars, the report stated.”可知，从长远来看，未来几年使用自动送货车的公司最终可能节省数十亿美元。由此推断，送货机器人有广泛的前景。.概要写作阅读下面短文，根据其内容写一篇60词左右的内容概要。Some experts argue the fact that almost one in four
26、 teens is constantly online which is a dangerous thing, yet I believe that its an opportunity.Technology brings us closer together and can help us in everyday life rather than replacing friends with screens.First，I believe that technology takes the embarrassment out of facetoface contact, as talking
27、 to someone may make you uncomfortable.You could not say what is on your mind.A much simpler way of communicating is through texts.By texting a person, there is no resistance(抵抗)to what you are trying to say.You are able to revise your words before you send them, hopefully not saying something you w
28、ill later regret or that could hurt someones feelings.Apart from making friends face to face, there are other ways of interaction using technology.Technology can help bond people together by showing similar interests.Second, technology can help friends and family keep in touch.When moments together
29、are not within reach, the next best thing is to use technology to catch up on each others life and share precious moments through videos and calls.The ability to play back a memory on a screen is amazing, something that can be cherished and kept forever.Some may argue technology is the problem in th
30、e world, but I do not.I believe that technology helps you escape the evil and pressure in the world and has the ability to let you create your own world where what others say or think doesnt matter.After a stressful time, technology is there to help you communicate and remind you what you should be
31、grateful for, or just make your day a little better.In conclusion, I believe that not only is technology not replacing friends with screens but its actually bringing us closer together and establishing relationships among teens.Overall, I believe this topic makes the world a better place by making i
32、t easier to create friends, and make otherwise lost friends keep in touch._参考范文Despite some peoples worry about technology, I consider it a chance, enhancing relationships and contributing to daily life.(要点1)Technology protects people from the embarrassment they may experience in facetoface communic
33、ation and enables them to socialize, share great life moments and save valuable memories.(要点2)It helps people avoid pressure and bad things, improves their communication skills and reminds them to be grateful.(要点3)In short, technology can promote peoples relationship and enrich their life instead of ruining friendships.(要点4)