yreAAA高考英語一輪選練習(xí)題 Unit 2 Robots含解析新人教版選修7
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1、 選修7Unit 2 李仕才 考點(diǎn)規(guī)范練 (選修7 Unit 2) 【短文語法填空】 閱讀下面材料,在空白處填入適當(dāng)?shù)膬?nèi)容(1個(gè)單詞) 或括號(hào)內(nèi)單詞的正確形式。 A 19-year-old girl posing for a photo on the railroad tracks was hit and killed by a train on Saturday afternoon. The girl, __1__ name has yet to be released, was __2__(report) posing for a selfie on a track in a
2、village, Guangdong province. The section of the railway is famous for its beautiful rose blossoms. Witnesses said that the girl did not realize a train was approaching. There were many visitors __3__(take) photos alongside the tracks, and some people shouted warnings, __4__ no one succeeded in gett
3、ing the girl’s attention. __5__ employee got off the train to examine the girl and called the police immediately __6__ the accident occurred. __7__(late), she was sent to a nearby hospital by ambulance. According to the nurse on duty that day, the victim showed no sign of life upon her arrival at th
4、e hospital. This is not the first time that a visitor __8__(kill) by a train on that section of the tracks, said one of the villagers. More and more visitors, especially young people, are finding their way onto the train lines, especially those near flowerbeds and spring blossoms. They like to phot
5、ograph __9__(they) in the scenic spots. Local police warned people that the new trend of taking selfies while standing on train tracks puts many people’s lives __10__ risk. 【參考答案】 1. whose 2. reportedly 3. taking 4. but 5. An 6. after 7. Later 8. has been k
6、illed 9. themselves 10. at Ⅰ.閱讀理解 A Each year,hikers and mountain bikers get lost or injured in the wilderness.Search and rescue efforts can involve 20 or more people.But a new “smart” drone(無人機(jī)) can follow hiking trails(小路) without a pilot’s assistance.This could allow rescuers to search
7、 more efficiently. Scientists outfitted a craft with a single camera.As the drone’s “eye”,the camera pointed forwards.But having an eye wasn’t enough.The drone also needed a “brain” to understand what it was seeing.And that brain would have to recognize what constitutes a trail.Camera images,howeve
8、r,can be very difficult for a computer to interpret,study leader Alessandro Giusti notes.So he and his team used photos of forest trails to train their drone’s neural network(神經(jīng)網(wǎng)絡(luò)). They attached three GoPro cameras to a single headband.One camera pointed straight forward.The other two were directe
9、d 30 degrees to the right and left of the centre.A hiker put the package on and then hit the trails in a forested part of Switzerland.Over several weeks,the cameras recorded a total of 8 hours of video covering 7 kilometres of trails. The researchers then divided the video into individual still ima
10、ges to train the neural network.The network learned to identify what a trail looked like.The team then tested the program with unused images from the video.The computer did a slightly better job than the people had in correctly classifying the images.This meant the drone was ready to navigate the re
11、al world on its own.Giusti and his team took their now “smart” device to a forest with trails that had not been used in the drone’s training.It flew along the path,constantly adjusting its direction based on the images coming in through its camera. The drone didn’t perform as well in real-life as i
12、t did in the lab,Giusti admits.That’s because the drone’s camera took lower-quality images than the cameras that had been used to train it.As a result,the images being taken by the drone looked different,he explains.This confused its neural network. “It’s an exciting use for neural networks,” says
13、Christopher Rasmussen,a computer-vision scientist who was not involved with the study.“However,the problems faced in the experiments show that there are still some important issues to be worked out.” 1.The “smart” drone has been created in order to help . A.find travelers who get lost B.ensure
14、 the safety of travelers C.deliver necessities to travelers D.show travelers the way to a place 2.While being tested to classify the images in the lab,the computer . A.did as well as the people B.did a lot better than the people C.did much worse than the people D.did a little better than t
15、he people 3.Why didn’t the drone perform well in the forest? A.The light in the forest was very poor. B.The trees or bushes covered the trails. C.The drone couldn’t fly very low there. D.The pictures taken were of poor quality. 4.What is Christopher Rasmussen’s attitude towards the results of
16、the experiments? A.Critical. B.Doubtful. C.Objective. D.Optimistic. B (2016石家莊調(diào)研檢測) Shopping centres,stadiums and universities may soon have a new tool to help fight crime. A California company called Knightscope says its robots can predict and prevent crime.Knightscope says the goal i
17、s to reduce crime by half in areas the robots guard. William Santana Li is the chief executive officer of Knightscope.He says,“These robot security guards will change the world.Our planet has seven billion people on it.It’s going to quickly get to nine billion people.The security equipment that we
18、have globally is just not going to develop that fast.The company’s Autonomous Data Machines can become the eyes and ears of law enforcement (執(zhí)行).” “You want it to be machines plus humans.Let the machines do the heavy and sometimes dangerous work and let the humans do the strategic decision-making w
19、ork,so it’s always working all together.” The machines are one and a half meters tall and weigh 136 kilograms.They do not carry weapons but they have day-and-night time video cameras which are able to turn 360 degrees and can also sense chemical and biological weapons. Some people may become conce
20、rned about their privacy,especially in connection with the video recordings.Some people may worry that such recordings will appear on the Internet.Eugene Volokh,a law professor at the University of California,says the machines have to be used in the right way and it will be interesting to see how st
21、ate laws deal with this kind of video. William Santana Li says there is a long waiting list for the robots in the US.Workers in the company are working overtime to meet the demands of the market.At least 25 other countries are also interested in these robotic security guards. 5.What can this new t
22、ool do for humans? A.Make strategic decisions. B.Keep watching day and night. C.Carry heavy weapons. D.Stop crime autonomously. 6.Why are people worried? A.Their privacy may be let out. B.The robots are very expensive. C.Robots will replace humans. D.They will be out of work soon. 7.Which
23、of the following can be the best title of the text? A.Robots Are Becoming More Popular B.Robots Contribute a Lot to the World C.Robots Are in Great Demand Now D.Security Robots Could Help Cut Crime 【鞏固】 What is the first thing you notice when you walk into a shop? The products displayed at t
24、he entrance? Or the soft background music? But have you ever notice the smell? Unless it is bad, the answer is likely to be no. But while a shop’s scent may not be outstanding compared with sights and sounds, it is certainly there. And it is providing to be an increasing powerful tool in encouragi
25、ng people to purchase. A brand store has become famous for its distinctive scent which floats through the fairly dark hall and out to the entrance, via scent machines. A smell may be attractive but it may not just be used for freshening air. One sports goods company once reported that when it firs
26、t introduced scent into its stores, customers’ intension to purchase increased by 80 percent. When it comes to the best shopping streets in Pairs, scent is just as important to a brand’s success as the quality of its window displays and goods on sale. That is mainly because shopping is a very diff
27、erent experience to what it used to be. Now the rise of electronic commerce (e-commerce)has opened up famous brands to a wider audience. But while e-shops can use sights and sounds, only bricks-and-mortar shops(實(shí)體店)can offer a full experience from the minute customers step through the door to the
28、moment they leave. Another brand store seeks to be much more than a shop, but rather a destination. And scent is just one way to achieve this. Now, a famous store uses complex man-made smell to make sure that the soft scent of baby powder floats through the kid department, and coconut scent in the
29、 swimsuit section. A department store has even opened a new lab, inviting customers on a journey into the store’s windows to smell books, pots and drawers, in search of their perfect scent. 1. According to the passage, what is an increasingly powerful tool in the success of some brand store? A.Fr
30、iendly assistant. B.Unique scents. C.Soft background music D.Attractive window display. 2. E-shops are mentioned in the passage to _______ . A. show the advantages of brick-and-mortar stores B. urge shop assistants to change their attitude C. push stores to use sights and sounds D. in
31、troduce the rise of e-commerce 3. Which statement would the writer agree with? A.Put different shop on the products on display. B.Ask every shop assistant to wear light perfume. C.Place fragrant flowers in the shop D.Expose some coffee bean to air inside a coffee shop. 4. The main purpose
32、of the passage is to ______ . A. compare and evaluate B. examine and assess C. inform and explain D. argue and discuss 【語篇解讀】本文是一篇說明文。文章介紹了采用香味提高銷售量的理念。文章講述了香味對(duì)于傳統(tǒng)實(shí)體店的影響。各大品牌店都加強(qiáng)了味覺對(duì)顧客消費(fèi)欲求的刺激,并根據(jù)商品不同調(diào)節(jié)香味。 1. B【解析】 細(xì)節(jié)理解題。根據(jù)第二段"But while a shop’s scent may not be outstanding compare
33、d with sights and sounds, it is certainly there. And it is providing to be an increasing powerful tool in encouraging people to purchase."可知,一些商店的成功中,獨(dú)特的香味起著重要的作用。故選B。 3. D【解析】推理判斷題。根據(jù)第三段的句子"A brand store has become famous for its distinctive scent which floats through the fairly dark hall an
34、d out to the entrance, via scent machines. A smell may be attractive but it may not just be used for freshening air."可知,作者認(rèn)為氣味在商店的成功方面起著重要的作用,所以他 認(rèn)為咖啡店應(yīng)該將咖啡豆暴露于空氣中。故選D。 4. C【解析】主旨大意題。這篇文章主要是告訴讀者香味對(duì)購物心理的影響,所以重在介紹和解釋香味對(duì) 于實(shí)體店的影響。故選C。Ⅱ.七選五閱讀 People have different preferences towards available life op
35、tions.Same is true for the statement “Health is wealth”.What exactly is it? 1 Or a comprehensive statement that indicates health and wealth are linked to each other? People nowadays think the statement means when a person is healthy,he is capable of producing wealth. 2 As a result,he/she won’t be
36、 able to earn income for an independent living.This explanation is partially true but the deep meaning of this claim can be understood by the words of the great ancient Roman poet Virgil:“The greatest wealth is health.”What Mr.Virgil tried to show is that the greatest wealth is health,not money or w
37、orldly items.There is nothing more valuable in life than having good health. Nowadays people are influenced by wealth improperly that they don’t even bother about their health,the greatest wealth. 3 A person with poor health is unable to enjoy the pleasures of life.Therefore,we should keep our hea
38、lth in the best way. 4 For example,spending time in a natural environment and drinking enough water.Physical exercise is also necessary as it keeps a person smart and healthy.Eating a balanced diet keeps people away from different illnesses and diseases.It is said that:“Early to bed and early to
39、rise,makes a man healthy,wealthy and wise.”Abandon unhealthy habits because they harm internal parts of our body. 5 One should always remember,living a healthy life can be the greatest gift of life. A.Some people are so poor,and all they have is money. B.It refers to the abundance of money and wo
40、rldly items. C.A simple preference that means health is superior to wealth? D.They don’t realize that without health there is no real happiness. E.On the contrary,if one is not healthy,he/she cannot work productively. F.Always be optimistic and cheerful because:“Laughter is the best medicine.”
41、G.There are lots of methods and practices through which a person can stay healthy. Ⅲ.書面表達(dá) (2016鄭州第二次質(zhì)量預(yù)測) 假設(shè)你校學(xué)生會(huì)定于4月10日組織一次高三學(xué)生的登山活動(dòng),請(qǐng)根據(jù)下面表格內(nèi)容,以學(xué)生會(huì)的名義用英語寫一則通知,歡迎同學(xué)們積極參加。 目的 鍛煉身體,放松心情 地點(diǎn) 邙山 內(nèi)容與要求 1.早上7:20在校門口乘公交車出發(fā),下午7:00返回; 2.上午登山,中午在山頂野餐,下午分組自由活動(dòng); 3.拍照、記錄,之后參加校攝影展或征文比賽。 溫馨提示 1.自帶午
42、餐和飲用水; 2.4月5日前到學(xué)生會(huì)報(bào)名。 注意:1.詞數(shù)100左右; 2.可以適當(dāng)增加細(xì)節(jié),以使行文連貫; 3.通知的格式已為你寫好,不計(jì)入總詞數(shù)。 參考詞匯:邙山Mangshan Mountain;報(bào)名sign up;征文比賽essay contest Notice Student Union March 30 考點(diǎn)規(guī)范練(選修7 Unit 2) Ⅰ.【解題導(dǎo)語】本文是說明文。瑞士科學(xué)家嘗試研究一款無人機(jī)來幫助營救迷路的旅行者。 1.A 細(xì)節(jié)理解題。由第一段中的“...follow hiking trails w
43、ithout a pilot’s assistance.This could allow rescuers to search more efficiently.”可知,科學(xué)家研制這款無人機(jī)是為了使其幫助救援人員找到迷路的旅行者。 2.D 細(xì)節(jié)理解題。由第四段中的“The computer did a slightly better job than the people had...”可知,在實(shí)驗(yàn)室測試時(shí),電腦比人在照片分類方面做得稍好一些。 3.D 細(xì)節(jié)理解題。由倒數(shù)第二段中的“That’s because the drone’s camera took lower-quality i
44、mages than the cameras that had been used to train it.”可知,無人機(jī)之所以在森林中測試效果不好是因?yàn)槠湓谏种信牡恼掌|(zhì)量差,不容易識(shí)別。 4.C 推理判斷題。由最后一段中的“It’s an exciting use for neural networks...,”及“However,the problems faced in the experiments show that there are still some important issues to be worked out.”可推斷,克里斯托弗拉姆對(duì)該研究成果持客觀態(tài)度。
45、【解題導(dǎo)語】本文是一篇說明文,主要介紹了一款新型的預(yù)防犯罪的機(jī)器人。 5.B 細(xì)節(jié)理解題。根據(jù)第五段的第二句“They do not carry weapons but they have day and night time video cameras which are able to turn 360 degrees and can also sense chemical and biological weapons.”可知,這種機(jī)器人的功能就是能夠日夜不停地執(zhí)勤站崗。 6.A 細(xì)節(jié)理解題。根據(jù)倒數(shù)第二段的第一句“Some people may become concerned ab
46、out their privacy,especially in connection with the video recordings.”可知,一些人擔(dān)憂這種機(jī)器人所攜帶的攝像機(jī)會(huì)記錄其隱私,其隱私有可能會(huì)被泄露。 7.D 主旨大意題。根據(jù)文章第一段并結(jié)合全文的整體內(nèi)容可推知,本文主要介紹了一種新型的預(yù)防犯罪的機(jī)器人。 Ⅱ.【解題導(dǎo)語】本文是議論文。健康是人生在世最大的財(cái)富。 1.C 根據(jù)本空后的Or...可推測,本空與下一句是對(duì)“健康即財(cái)富”的兩種不同理解,故C項(xiàng)“僅僅是一種偏愛,意味著健康比財(cái)富重要?”符合此處語境。 2.E 本空上一句說“當(dāng)一個(gè)人健康時(shí),他就能創(chuàng)造財(cái)富”,那么“
47、相反,當(dāng)一個(gè)人不健康時(shí),他/她就不能有效率地工作”,因此不能掙到可以獨(dú)立生活的收入。 3.D 根據(jù)上一句內(nèi)容可知,人們甚至不關(guān)心自己的健康。D項(xiàng)順接上句,表示“他們意識(shí)不到?jīng)]有健康就沒有真正的幸?!?。D項(xiàng)中的They與上一句中的they指代一樣,都指people。 4.G 本空后列舉的就是人們“可以保持健康的多種方法和做法”。 5.F 本段講的是人們保持健康的方法,故F項(xiàng)“總是樂觀和快樂,因?yàn)椤κ亲詈玫牧妓帯狈洗颂幷Z境。 Ⅲ.Notice In order to encourage Senior Three students to take exercise and relax
48、 themselves,we’re going to organize a mountain-climbing activity on April 10.We’re to gather at the school gate and start at 7:20 am by bus and get back at 7 pm.We’ll climb Mangshan Mountain in the morning,on the top of which we’ ll have a picnic at noon.In the afternoon we’ll be divided into groups
49、 and have a free time.Remember to take photos and make notes for the photo exhibition or the essay contest to be held later at our school.Besides,take lunch and drinking water with you.If you want to join in,please come to Student Union and sign up before April 5. Student Union March 30 6EDBC3191F2351DD815FF33D4435F3756EDBC3191F2351DD815FF33D4435F3756EDBC3191F2351DD815FF33D4435F3756EDBC3191F2351DD815FF33D4435F3756EDBC3191F2351DD815FF33D4435F3756EDBC3191F2351DD815FF33D4435F375
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