Unit 2 单元话题七选五专项练习-2022-2023学年高二英语选择性必修第一册单元重难点易错题精练(人教版2019).docx
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1、Unit 2单元话题七选五专项练习(名校最新真题)(2021安徽高二课时练习)Marine Layer is an American clothing company that has recently earned an impressive qualification. It is the first in the world to take old T-shirts and transform them into brand new ones, using 100% recycled materials._1_ The collection was launched on April 2
2、8 to much fanfare in the eco-fashion world.Re-spun shirts are made from old T-shirts that supporters have mailed to the company or dropped off in store. _2_ Then they are cleaned using waterless technology, broken down, and woven into a colored cotton fiber. It is mixed with 50% recycled fiber to cr
3、eate the final yarn(纱)._3_ Interestingly, Recover has been recycling fabrics since the 1940s, when people were looking for a solution to clothing shortages during World War II. The yarn is sent to Los Angeles for milling and sewing, from where the finished shirts are distributed to Marine Layers 41
4、stores and online shops._4_ Each shirt varies slightly in color. No water, chemicals, or dyes are used in production. Best of all, Marine Layer has no intention of stopping with its first Re-Spun collection. Customers are urged to keep sending in their old shirts using a prepaid mailer, and will get
5、 $5 credit for each one, up to a total of $25.Its exciting to see the great ways in which fashion companies are trying to reduce their environmental impact. This fabric recycling technology promises to revolutionize the industry and make good use of the 80 pounds of clothing that the average America
6、n throws away each year. _5_AThe technology deserves a lot.BThe result is its Re-spun collection.CMany people are interested in the project.DThese old shirts are sorted into four color groups.ENow using old clothes to make new is truly fashionable.FThe fabric breakdown takes place at a factory calle
7、d Recover.GThe first collection consists of four shirts for men and four for women.(2021全国高二课时练习)A special copyright case has recently drawn attention because it is related to artificial intelligence(AI). A court in Shenzhen ruled that a news report written by Tencents AI enjoys copyright protection
8、._6_This is the first case in China that has provided copyright protection to work done by AI. But what does it indicate?_7_Probably not. AI is not yet able to write creative stories. The news report mentioned above is mainly about data._8_it is often used to write financial reports. Some newspapers
9、 also use AI to report on stories about natural disasters, which mainly require basic facts such as “where” and “when”. As Forbes wrote, instead of losing their jobs, journalists can make their work more efficient by using AI so that they can focus more on storytelling and less on numbers._9_For exa
10、mple, Wayne McGregor, a British choreographer(编舞), is famous for using AI to create new dances. For him, AI is a powerful tool that can help choreographers break out of common movements. McGregor is not worried that AI might replace human artists. “AI cant judge the quality of the choreography,” he
11、said.“Its time to stop worrying about if AI can be creative,” according to Forbes._10_AAs artificial intelligence progresses,BAI is actually being helpful in many creative fields.CInstead, we should focus on how humans and AI can work together in ways that we have never dreamed of before.DA website
12、broke the law because it used the article without permission.ESince AI is good at processing data,FIts time to think about how to prevent AI from replacing humans.GWill AI take the place of creative workers in the future?(2022河南许昌高二期末)Humans have little difficulty recognizing one another. We may not
13、 remember a name, but we can usually remember if weve seen a face. And we know that no two faces are exactly alike. _11_. And now weve invented machines that are able to recognize faces, which they are doing for innumerable purposes at lightning speed.Governments, employers and police services are u
14、sing facial recognition technology. _12_. Systems are becoming so competent (能胜任的) that a wanted criminal can quickly be picked out in a crowd of thousands of people.Ordinary people, too, are using facial recognition to unlock their phones, their computers and other devices. _13_. According to Apple
15、, for example, there is only one chance in a million that a face other than your own could unlock your iPhone._14_. It is instantaneous (即时的), and it frees us from the need to memorize passwords or PINs (Personal Identification Numbers). However, a device will require a passcode in the rare event it
16、 doesnt, for whatever reason, recognize the users face.There are also numerous concerns about the use of facial recognition. _15_. The installation (安装) of more and more cameras in public and private places is now a part of everyday life. Those cameras are being linked with image databases (数据库). Th
17、is means people can be recognized wherever they go and do whatever they do.ASuch systems are quite safeBEven twins faces have some differencesCPrimarily, the concern is that it has an influence on privacyDThis allows them to quickly recognize someones identityEPersonal facial recognition protection
18、has several advantagesFFacial recognition systems are being trained to use less facial dataGIn most examples the pictures were not taken in a controlled environment(2022江苏省天一中学高二期末)Metaverse (元宇宙)Youve probably started to hear this word being thrown around lately. If youre feeling lost, youre in the
19、 right place. Here, well try to answer some big questions from Microsofts point of view. What is a metaverse? Does it already exist? _16_ Lets dig in.Simply put, a metaverse is a digital space inhabited by digital representations of people, places and things. Think of it like a new version, or maybe
20、 a new vision, of the Internet. _17_ Now we can actually go into that place to communicate, share, and work with others. Its an Internet that you can actually interact with like we do in the physical world.And its not just a vision anymore. Right now, you can go to a concert and experience a show wi
21、th other real people inside a video game. _18_ Those are metaverses. And the future is already here!_19_ “But my digital self is not my physical self.” Well that is technically true. But Microsoft is working to help you better represent your whole self in the digital space, while also ensuring that
22、you can bring your humanity and your agency over with that representation.If the past few years have taught us anything, its that we need flexibility. The world has never been more connected, but lately, weve often needed to distance ourselves physically. The closer we can reflect our physical selve
23、s in the digital world, the more of these barriers we can break down. Teammates can join meetings from anywhere. Real-time translation allows people from diverse cultures to collaborate in real-time. _20_ The metaverse has the ability to take us beyond the barriers and limitations of the physical wo
24、rld.AAnd are you already in it?BHave you been lost in a metaverse?CHowever, theres some doubt about them.DMany people talk about the Internet as a place.EYou can walk a factory floor from your own home.FThere are good reasons to take the metaverse seriously.GThis is what takes this from a cool idea
25、to a critical one.(2022湖北黄冈中学二模)Keep it secureAll apps collect data as you use them. Following these four steps will help ensure youre not oversharing.For starters, download apps only from the Apple App Store or Google Play Store, not from random websites. _21_Before you accept an apps terms and con
26、ditions, look at what information its planning to collect and think twice if its asking for too many permissions. _22_ Also, most apps dont need to know your location, but for those that do, you can choose to enable location services only when using the particular app, another smart privacy safeguar
27、d.Sign up using an e-mail address youve set up just for things like app permissions and e-mail newsletters. _23_ This way, if there is a security breach (缺口), your exposure is contained to things connected to that address._24_ This means a long one (at least ten characters) with a mixture of letters
28、, numbers, and special characters and, sorry, a unique password for each app. According to security experts, a good trick is to create a memorable “passphrase” by creating a series of random words, and then substitute numbers or special characters (i.e., for at) for some of the letters. _25_Go ahead
29、 and write them down just store your cheat sheet in a secure location (not your wallet or phone case!). Or enlist a password manager such as 1Password or LastPass.AAnd, of course, use a secure password.BHow will you ever remember them all?CJust be sure to choose your teams official appsDThese apps m
30、eet the major companies quality standards.EDo you have an old smartphone youre not using anymore?FDont use your main e-mail address or social media account.GFor example, why would a gaming app need access to your text messages?(2022山东省临沂第一中学高二期中)Your computer, pad, or Smartphone holds a wealth of in
31、formation. If you know what to look for, you have access to an unlimited number of learning resources. When used correctly, the Internet is a tool that can greatly enlarge your knowledge.Take part in an online language course. _26_ Other websites like universities offer comprehensive (综合的) language
32、courses at a low price. Find a language course that best fits your needs and begin studying to increase your understanding._27_ Online, you can use flashcards and work sheets at little-to-no cost. You can also communicate with other language learners through forums (论坛). Use study resources to furth
33、er strengthen your knowledge of the language, especially if youre struggling in your online course.Listen to foreign music for practice. You may not be able to travel to your country of choice, but you can listen to native speakers. _28_ Look up the words of a foreign song beforehand and listen to i
34、t several times. With every repetition, youll recognize more words.Read books issued in the public. Every year, new books can be got to read for free once their copyright has been out of date. In most European countries and the United States, books are issued into the public about 70 years after the
35、 authors death. _29_Listen to audio books. Most books issued into the public can be got as a free audio book. If youd prefer a popular novel, you could buy an audio book instead. _30_ If you work online, you can turn one on and enjoy the storyline while multi-tasking.ATurn to the Internet for study
36、resources.BAfter this point, you can read e-books at no cost.CYou can receive free distance learning at little-to-no cost.DAudio books are a great way to absorb a novel when youre busy.ESome online educational resources offer basic language classes for free.FMany respected universities offer free on
37、line lecture series on a variety of subjects.GFew activities are as beneficial for learning as listening to a native speaker language.(2022河北邢台市第二中学高二阶段练习)Whether youre in the final research stages of a major paper, or on a Zoom (a calling app) call for work, a dropped WiFi connection at zero hour i
38、s something annoying. _31_ One of the most common reasons it happens is that too many devices are connected._32_ Now, with smartphones, iPads, smart TVs and so much more, it doesnt take long for WiFi to hop aboard the struggle bus. Actually, even if a connected device isnt actively sending or receiv
39、ing data, it will still consume some of the available bandwidth. It means that if you have many devices connected, you can start to see slowdowns or drops in your WiFi connection. _33_The first and easiest fix is to disconnect unused devices from your WiFi. The easiest way to do this is to simply ch
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