1、人教（2019）版高中英语选择性必修第一册第四单元限时练时间：100分钟 分值：120第一部分 阅读理解(共两节，满分50分)第一节 (共15小题；每小题2.5分，满分37.5分)阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。AChoose Your One-Day-Tours!Tour A - Bath &Stonehenge: including entrance fees to the ancient Roman bathrooms and Stonehenge -37 until 26 March and 39 thereafter.Visit the city w
2、ith over 2,000 years of history and Bath Abbey, the Royal Crescent and the Costume Museum, Stonehenge is one of the worlds most famous prehistoric monuments dating back over 5,000 years.Tour B - Oxford & Start ford including entrance fees to the University St Marys Church Tower and Anne Hathaways -3
3、2 until 12 March and 36 thereafterOxford: Includes a guided tour of Englands oldest university city and colleges. Look over the city of dreaming spires(尖顶）from St Marys Church Tower. Start ford: Includes a guided tour exploring much of the Shakespeare wonder.Tour C - Windsor Castle &Hampton Court in
4、cluding entrance fees to Hampton Court Palace -34 until 11 March and 37 thereafter.Includes a guided tour of Windsor and Hampton Court, Henry VILLs favorite palace. Free time to visit Windsor Castle(entrance fees not included).With 500 years of history, Hampton Court was once the home of four Kings
5、and one Queen. Now this former royal palace is open to the public as a major tourist attraction. Visit the palace and its various historic gardens, which include the famous maze(迷宫)where it is easy to get lost!Tour D -Cambridge including entrance fees to the Tower of Saint Mary the Great -33 until 1
6、8 March and 37 thereafter.Includes a guided tour of Cambridge, the famous university town, and the gardens of the 18th century.1. Which tour will you choose if you want to see Englands oldest university city?A. Tour AB. Tour BC. Tour CD. Tour D2. Which of the following tours charges the lowest fee o
7、n 17 March?A. Windsor Castle & Hampton CourtB. Oxford & StratfordC. Bath & StonehengeD. Cambridge3. Why is Hampton Court a major tourist attraction?A. It used to be the home of royal familiesB. It used to be a well-known mazeC. It is the oldest palace in BritainD. It is a world-famous castle【1答案】B【解
8、析】细节理解题。在TourB中提到“Oxford:Includes a guided tour of Englands oldest university city and colleges.,因此答案是B项。【2答案】D【解析】细节理解题。根据每一部分的价格介绍：Tour A37 until 26 March and 39 thereafter.到3月17日为37，3月26日后还会涨价；Tour B-32 until 12 March and 36 thereafter为3月12日前价格为32，12日后为36；Tour C-34 until 11 March and 37 thereafte
9、r.为3月11日前价格为34，11日后为37；Tour D33 until 18 March and 37 thereafter.为3月18日前价格为33，18日后为37；本题文3月17号费用最低的，当然是33，故选D。【3答案】 A【解析】细节理解题。根据With 500 years of history, Hampton was once the home of four Kings and one Queen Now this former royal palace is open to the public as a major tourist attraction.判断，人们去参观的
10、主要原因是因为这是有着500年历史的前皇家宫殿，答案为A。BHumans have little difficulty recognizing one another. And we know that no two faces are exactly alike. Even identical twins have slightly different faces. Each human face is truly unique, and now weve invented machines that are able to recognize faces for numerous purp
11、oses.Governments, employers and security and police services are increasingly using facial recognition technology. This allows them to quickly confirm an individuals identity. Systems are becoming so advanced that a wanted criminal can instantly be picked out of a crowd of thousands of people. All t
12、hats required is an image in a database to compare with the image of any number of people in a crowd. Ordinary people, too, are using facial recognition to unlock their phones, their computers and other devices.Personal facial recognition protection has several benefits. It is instantaneous, and it
13、relieves us of the need to memorize passwords. However, a device will require a password in the rare event that it doesnt, for whatever reason, recognize the users face.There are numerous concerns about the use of facial recognition. Primarily, the concern is that it threatens privacy. The installat
14、ion of more and more cameras in public and private places is now part of everyday life. This means people can be observed and recognized wherever they go. Cameras may make public spaces safer, but keeping law-abiding(守法的) citizens under constant watch is disturbing to many.In the age of the corona-v
15、irus and the widespread wearing of masks, facial recognition systems are having some difficulty. A mask covers many of the facial data points used by recognition software to confirm a persons identity. In response, facial recognition systems are being trained to use less facial data. That could affe
16、ct how dependable it is as a method of identity detection.4. Whats the authors purpose of writing Paragraph 2?A. To further explain the importance of facial recognition.B. To describe the powerful functions of facial recognition.C. To list in detail various advantages of facial recognition.D. To sta
17、te the unique advanced features of facial recognition.5. Why are some people worried about the cameras?A. The cameras may be occasionally out of order.B. Too many cameras disturb peoples daily life.C. Peoples personal life might be exposed to others.D. The cameras make law-abiding citizens feel stre
18、ssful.6. In what aspect will facial recognition systems be improved?A. Getting more accurate with less information.B. Becoming faster with more facial data.C. Protecting personal information if necessary.D. Responding more quickly to unexpected events.7.What is the text mainly about?A. The wide popu
19、larity of facial recognition.B. The rapid development of facial recognition.C. The benefits of facial recognition.D. The introduction to facial recognition.【4答案】B 【解析】写作意图题。根据第二段内容可知,作者首先介绍了面部识别技术在多种场景的广泛应用,之后强调了它的速度之快,效率之高,并且使用要求很低,普通人也在广泛使用这项技术,总结起来,这些都是在介绍面部识别技术强大的功能,故B项正确。【5答案】C 【解析】推理判断题。根据倒数第二
20、段中的Primarily,the concern is that it threatens privacyThis means people can be observed and recognized wherever they go以及but keeping law-abiding citizens under constant watch is disturbing to many可推知,相机的安装有可能会威胁到人们的隐私,即隐私有可能会被暴露,故C项正确。【6答案】A 【解析】细节理解题。根据最后一段中的”A mask covers many of the facial data po
21、ints used by recognition software to confirm a persons identity. In response, facial recognition systems are being trained to use less facial data可知,面部识别下一步的提升方向就是用更少的数据获得更精确的结果。【7答案】D 【解析】主旨大意题。通读全文可知,文章前两段整体介绍了面部识别技术的概况,后三段介绍了其优缺点以及可提升的方向,即全文主要是介绍面部识别技术,故D项符合题意。CShark attacks not only disturb beac
22、h activities, but can affect associated tourism industries. Shark nets are a common solution to preventing shark attacks on beaches, but they cause dangers to sea ecosystems.Seeking a cost-effective way to monitor beach safety over large areas we have developed a system called SharkSpotter. It combi
23、nes artificial intelligence(A1),computing power,and drone(无人机）technology to identify and warn lifesavers of sharks near swimmers. The project is a cooperation between the University of Technology Sydney and the Ripper Group,which is pioneering the use of drones-calledWestpac Little Ripper Lifesaver
24、in the search and rescue movement in Australia.Shark Spotter can detect sharks and other potential threats using real time aerial imagery. The system analyzes videos from a camera attached to a drone to monitor beaches for sharks, send warnings, and conduct rescues.Developed with techniques known as
25、 deep learning, the Shark Spotter system receives imagery from the drone camera and attempts to identify all objects in the scene. Once certain objects are detected, they are put into one of 16 categories: sharks, whales, dolphins, rays, different types of boats surfers, and swimmers.If a shark is d
26、etected, Shark Spotter provides both a visual sign on the computer screen and an audible warning to the operator. The operator confirms the warning and sends text messages from the Shark Spotter system to the surf lifesavers for further action. In an emergency, the drone is equipped with a life-savi
27、ng flotation pod(漂浮舱）together with an electronic shark repellent(驱逐装置）that can be dropped into the water in cases where swimmers are in severe trouble, trapped in a rip, or if there are sharks close by.In January 2018, the Westpac Little Ripper Lifesaver was used to rescue two young swimmers caught
28、in a rip at Lennox Head, New South Wales (NSW). The drone flew down the beach some 800 meters from the lifeguard station, and a life-saving flotation pod was dropped from the drone The complete rescue operation took 70 seconds.We believe Shark Spotter is a win-win for both marine(海洋的）life and beachg
29、oers. This unique technology combines dynamic video image processing AI and advanced drone technology to creatively deal with the global challenge of insuring safe beaches, protecting environments, and romoting tourism.8.What is a Shark Spotter?A.A solution to monitor sharks.B. An equipment to ident
30、ify lifesavers.C.A technology to prevent shark attacks.D.A project to pioneer the use of drones.9. When a shark is spotted near a swimmer, what will the system do?A . Take timely action .B. Analyze the visual data.C. Classify the identified objects.D. Turn on the deep learning mode.10. What does the
31、 example in Paragraph 5 show us?A. The system is efficient in saving lives.B.The system is effective in detecting sharks.C. The system is smart in driving sharks away.D. The system is practical over the whole sea area.11.What is the authors attitude toward the future of SharkSpotter?A . Doubtful . B
32、.Optimistic.C. Negative. D.Objective.【8答案】C【解析】推理判断题。根据第二段中的It combines artificial intelligence(AI),computing power,and drone technology to identify and warn lifesavers of sharks near swimmers.以及第三段中的SharkSpotter can detect sharks and other potential threats using real-time aerial imagery.可知，SharkSp
33、otter结合了人工智能、数据处理能力和无人机技术来辨认并警告救生员在游泳者附近的鲨鱼，能够探测潜在的威胁。由此可知，它是一项防鲨鱼攻击的技术，故选C项。【9答案】A【解析】推理判断题。根据第四段中的“In an emergency,the drone is equipped with a life-saving flotation pod together with an electronic shark repellent that can be dropped into the water in cases where swimmers are in severe trouble, tr
34、apped in a rip, or if there are sharks close by.可知，当遇到紧急情况时，无人机上配备的救生漂浮舱和电子驱鲨器会被放入水中，即系统会在游泳者遇上麻烦时及时采取行动，故选A项。【10答案】A【解析】推理判断题。第五段主要列举了该系统在70秒内成功营救两名被困的游泳者的例子，由此可知，这一事例证明这一系统在拯救生命方面是很有效率的，故选A项。【11答案】B【解析】推理判断题。根据最后一段中的“We believe SharkSpotter is a win-win for both marine life and beachgoers.可知，作者认为S
35、harkSpotter对海洋生物以及海滩游客来说是双赢的，即作者对SharkSpotter持乐观的态度，故选B项。DIn the past decade, the use of social media has grown in a way that no one could have guessed. It has turned some teenagers into celebrities and turned the famous into the infamous,overnight.A key feature of social media, however, is its vola
36、tility.Trends come and go, disappearing almost as quickly as they appeared.Short video apps such as Tik Tok and its Chinese equivalent(对应物）Douyin,took the world by storm.The Telegraph reported that Tik Tok was ranked 8th on Apples App Store in April. And Douyin had more than 300 million domestic mon
37、thly active users in June, CNBC said.Why are these short videos-which are rarely longer than a few minutes-so popular? Jiang Yige, Singapore-based analyst at FengHe Fund Management, has a theory. Short videos are just right to fill in the little gaps in our busy schedules,he told CNBC.These videos-a
38、part from being very convenient-are important to teenagers because they allow them to express themselves,according to Teen Vogue.Liza Koshy, a user of the US app Musical. ly who has over 2 million followers,said,The sense of community that users of short video apps get is another appealing feature.L
39、ive streaming(直播）is a feature of our social media life that now seems as natural as sunrise . Its a pretty neat idea : You can watch anyone , anywhere , live . However , China has taken live streaming to a whole new level. In China, more than 100million viewers monthly watch a live streaming video.
40、Forbes thought that a number of factors had led to the popularity of live streams. Among them is viewers ability to interact with others using unknown names. However, the quick development of social media may be having side effects too. Fake news is one serious problem it causes. Materials shared on
41、 these platforms are often not checked for accuracy. The most basic content can be false and can mislead users one way or another. We use social media all the time; that doesnt mean that we understand the influence it is having on us. We should be mindful of both the time we spend on it and its impa
42、ct on our minds.12. The underlined word volatility in Paragraph 2 possibly means being_.A.changeable B.steadyC.promising D.violent13. According to Liza Koshy, short videos are very popular because_.A.they are very convenientB.they help people kill timeC.they provide a sense of communityD.they allow
43、people to express themselves14.What do we know about social media?A.The information from social media is totally reliable.B.When it comes to social media,people only know short videos.C.People cant communicate with each other without social media.D. There is still much room for improvement in social
44、 media.15.What is the authors attitude to the quick development of social media?A.Objective.B.Subjective.C.Favorable.D.Disapproving.【12答案】.A【解析】词义猜测题。根据第二段的Trends come and go,disappearing most as quickly as they appeared.可知，社交媒体的一个主要特点是变化无常，某种趋势很快出现又很快消失，由此可知“changeable合社交媒体的特点。【13答案】.C【解析】细节理解题。根据第
45、六段Liza Koshy说的话“The sense of cor munity that users of short video apps get is another appealing feature.知，他认为短视频软件受用户欢迎的原因是他们能从中得到团体属感，故C项正确。其他选项均不是Liza Koshy的观点，故排除。【14答案】.D 【解析】推理判断题。根据最后一段可知，社交媒体发展迅速，但也带些副作用，如虚假消息会误导用户，由此可见社交媒体有很大的提空间，故D项正确。【15答案】.A 【解析】推理判断题。由全文可知，作者分析了社交媒体的发展以及带的负面影响，作者对其发展持有“客
46、观”的态度，故A项正确。第二节 (共5小题；每小题2.5分，满分12.5分) 根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Distraction exists in every corner of our lives. Though small, anything that pulls you away from your focus can get in the way of your productivity. Follow the tips below to sharpen your focus.Keep your vision and goals
47、in mind. Its important to start with a good base for your focus as you learn how to avoid distraction. 16 Do you have a big presentation at work next week that you need to prepare for? Do you have a dream of learning to play the guitar and need to focus for an hour each day while you practice?17 If
48、you have 20 tasks to do every day, how effective do you think your focus ability will be? You need to break them down. Focus on only doing 2-3 important tasks at a time. Its all you need to take steps towards accomplishing your goals.18 Most goals will at least take a few weeks to months to accomplish. Thus, you become discouraged because the goal is too big. Or you fantasize about what itll feel like when you achieve the goal. 19
