高考英语(阅读理解提高练习题)压轴题训练及答案(2)
高考英语(阅读理解提高练习题)压轴题训练及答案解析
一、高中英语阅读理解1．阅读理解Shark attacks not only disturb beach activities, but can affect associated tourist 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 Shark Spotter. It combines artificial intelligence (AI), computing power, and drone (无人机) technology to identify and warn lifesavers to 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—called "Westpac Little Ripper Lifesavers"—in the search and rescue movement in Australia.SharkSpotter can detect sharks and other potential threats using real-time aerial imagery. The system analyses video from a camera attached to a drone to monitor beaches for sharks, send warnings, and conduct rescues. Developed with techniques known as "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: shark, whale, dolphin, rays, different types of boats, surfers, and swimmers.If a shark is detected, 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 Life Savers for further action. In an emergency, the drone is equipped with a lifesaving flotation pod (漂浮仓) 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 Lifesavers was used to rescue two young swimmers caught in a rip at Lennox Head, NSW. The drone flew down the beach some 800 meters from the lifeguard station, and a lifesaving 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 life and beachgoers. This unique technology combines dynamic video image processing AI and advanced drone technology to creatively deal with the global challenge of ensuring safe beaches, protecting environments, and promoting tourism.（1）A Shark Spotter is ________.A. a solution to monitor sharksB. an equipment to identify lifesaversC. a technology to prevent shark attacksD. a project to pioneer the use of drones（2）When a shark is spotted near a swimmer, the system will ________.A. take timely actionB. analyze the visual dataC. classify the identified objectsD. turn on "deep learning" mode（3）The example in the 5th paragraph shows us that the system is ________.A. efficient in saving livesB. effective in detecting sharksC. smart in driving sharks awayD. practical over the whole sea area（4）What is the author's attitude towards the future of SharkSpotter?A.Doubtful.B.Optimistic.C.Negative.D.Objective.【答案】（1）C（2）A（3）A（4）B【解析】【分析】本文是一篇说明文，介绍了一种旨在防止鲨鱼袭击的技术Shark Spotter 的工作原理以及重要意义。
2020-2021 高考英语(阅读理解提高练习题)压轴题训练含详细答案
一、高中英语阅读理解1．阅读理解New Jersey Botanical Garden MembershipIt's easy to join New Jersey Botanical Garden (NJBG) Membership online, by phone or by mail. Your membership dollars help to improve the Garden, and provide educational and entertaining activities for the general public. Thank you for your support!To join or renew, please click on the appropriate section and membership category below for safe and convenient online payment processing by PayPal.If you prefer to join by phone or mail, call the NJBG office at (973) 962-9534 or download and send in our membership brochure (Adobe Acrobat PDF file).※ Join NJBG TodayMembership Category Individual Dual (两人共用)StudentAnnual Fees$ 35$ 60$ 25Special: Save $5 with Biennial Fees$ 60$ 100$ 40※Renew Your MembershipMembership Category Individual Dual (两人共用)StudentAnnual Fees$ 30$ 50$ 25Special: Save $5 with Biennial Fees$ 50$ 80$ 40a 44-room Tudor Revival granite mansion(公馆)designed John Russel Pope. Skylands has 96 acres of formal and naturalized gardens and is surrounded by over 1,000 acres of meadows(草坪) and woodlands. Purchased by the State in 1966 and officially named as the New Jersey Botanical Garden in 1984, the gardens contain approximately 5,000 species and varieties of trees and flowers.For you, the NJBG is an exciting and beautiful place to visit where you may enjoy each season's best. Members enjoy special events, festivals, lectures and rewarding educational opportunities for both city and gardeners.Your NJBG membership offers you discounts at participating nurseries, garden centers and other fine businesses. Simply present your NJBG membership card when beginning your purchase.（1）The money paid for NJBG membership will be used to _____.A. offer further educationB. update the payment systemC. provide better serviceD. protect the environment（2）To renew the one-year membership for your parents, you need to pay_____.A.$30B.$50C.$60D.$80（3）According to the passage, New Jersey Botanical Garden_____.A.was officially named in 1966ed to be privately-ownedC.presents members with awardsD.offers discounts in most shop【答案】（1）C（2）B（3）B【解析】【分析】本文是一篇应用文，介绍了新泽西植物园的会员，讲述了如何加入会员以及会员所享受的优惠，让读者更了解NJBG的会员。
2020-2021高考英语(阅读理解提高练习题)压轴题训练附答案解析
一、高中英语阅读理解1．阅读理解Empathy (同理心)is one of those strange qualities—something almost everyone wants, but few know how to truly give or receive it. In a world where self-satisfaction is emphasized, it is in short supply but high demand. This is all the more reason to teach the next generation what it means to have empathy for those around them.What Is Empathy?— Many people confuse sympathy and empathy, but they are two distinct values. Empathy is not just the ability to understand someone's feelings; criminals often take advantage of people by appearing to understand their feelings and subsequently gaining their trust. Empathy is more than that. Not only is it the ability to recognize how someone feels, but it also values and respects the feelings of another person. It means treating others with kindness, dignity, and understanding.Kids Need To See Adults Show Empathy—While some children are gifted with naturally kind hearts, in most cases kids need to see empathy modeled by the adults around them. It begins with the way parents relate to their children. Parents who show an interest in the things that matter to their kids and respond to emotions in a positive and caring way are teaching the skill of empathy.Meet Emotional Needs—When children have their emotional needs met, two things happen. They learn how to meet the emotional needs of others and they are anchored in what they are receiving, meaning that they are secure enough to give to others when the need arises but first they need to receive. An empty jug cannot fill a cup.It's a good idea to talk to kids about emotions and how other people experience them. Give their emotions names (for example, jealousy, anger, and love) and teach them that these are normal. Talk to them about how to handle emotions in a positive way and point out situations where other people are experiencing emotions. Teach them about respecting the emotions of others and show them how to act in a situation where a response is required.（1）Why is it that the next generation are taught to have empathy?A. Because people tend to center themselves.B. Because everyone lacks empathy.C. Because empathy is a strange quality.D. Because it's better to give than to receive.（2）Which situation can empathy be used in?A.When a mathematician is calculating the area of a farmland.B.When a teacher is comforting a student about his failure in exams.C.When a criminal is cheating a victim.D.When a dancer is dancing to music.（3）What does the underlined sentence "An empty jug cannot fill a cup" mean?A.An empty jug is too small to hold a cup.B.It's a must to talk to kids about emotions.C.Adults should set an example to kids.D.Kids give empathy with their emotional needs met first.（4）What is the main topic of the passage?A.How to train kids to have empathy.B.How to distinguish sympathy and empathy.C.How to help kids finish empathy-related tasks.D.Whether kids can be trained to be more empathetic.【答案】（1）A（2）B（3）D（4）A【解析】【分析】本文是一篇说明文，在一个强调自我满足的世界里，我们更有理由教导下一代，对周围的人抱有同理心意味着什么。
高考英语与阅读理解有关的压轴题及详细答案
一、高中英语阅读理解1．阅读理解The term "smiling depression" —appearing happy to others while actually suffering depressive symptoms—has become increasingly popular. In fact, many people who experience a low mood and a loss of pleasure in activities manage to hide their condition in this way. And these people might be particularly easy to suicide.While smiling depression is not a technical term that psychologists use，it is certain to be depressed and manage to successfully mask the symptoms. The closest technical term for this condition is "atypical depression: It can be very hard to spot people suffering depression because they may seem like they don't have a reason to be sad —they have a job, an apartment and maybe even children or a partner. They smile when you greet them and can carry pleasant conversations. In short, they often put on a mask to the outside world while leading seemingly normal and active lives. Inside, however, they often feel hopeless and down, sometimes even having thoughts about ending it all.People with smiling depression put on a happy face to the outside world, but they can experience a lift in their mood as a result of positive occurrences in their lives. Other symptoms of this condition include overeating, feeling a sense of heaviness in the arms and legs and being easily hurt by criticism or rejection. They are also more likely to feel depressed in the evening and feel the need to sleep longer than usual. With other forms of depression, however, your mood might be worse in the morning and you might feel the need for less sleep than you are normally used to.So how can they break this circle? A starting point needs to be known that this condition actually exists and that it's serious. Only when we stop ignoring our problems because we think they're not serious enough can we start making an actual difference. Then we can find purpose by taking the attention away from ourselves and placing it onto something else. Feeling that our lives matter is finally what gives us purpose and meaning —and this can make a significant difference for our mental health and well-being.（1）What do we know about people suffering smiling depression?A. They are wearing masks all day.B. They are difficult to get along with.C. They lead an abnormal life actually.D. Most of them commit suicide.（2）What does the underlined word "atypical" in paragraph 2 mean?A. representativeB. commonC. hiddenD. formal（3）Compared with smiling depression, people suffering other depressions .A.may feel sleeplessB.feel more depressed in the eveningC.are tired of heaviness in the armsD.may eat more food（4）What can we do to overcome smiling depression?A.Never talk about smiling depression and ignore its existence.B.Admit the condition and pay attention to ourselves.C.Value the importance of our life and enjoy it.D.Find out the problem and place it onto somebody else.【答案】（1）C（2）C（3）A（4）C【解析】【分析】本文是一篇说明文，介绍了“微笑抑郁”这个名字的来历，相关的症状，以及克服这种抑郁症的方法。
备战高考英语(阅读理解提高练习题)压轴题训练含答案(2)
一、高中英语阅读理解1．阅读理解Plastic sludge(污泥)and garbage is a disaster for the world's oceans. A film crew traveled the globe to document the rubbish. And Julie Andersen of the Plastic Oceans Foundation says what we see is just the tip of the problem. “Half o f the waste actually sinks to the bottom, and that remains on the surface actually breaks down. ”The filmmakers found rubbish in ocean gyres, the circulating currents that trap large concentrations of pollution in the Atlantic, Indian, and Pacifc Oceans, home of what some have plastic. What we found was a plastic smog that spread throughout all the water. And in some parts of the oceans, scientists have found more plastic than plant. ”The pieces of the plastic garbage infect the food chain, sometimes visibly, and more so at the microscopic level, where the plastic particles interact with other pollutants. “There are heavy metals, medicines, industrial waste in the sea, while it acts like magnets(磁铁). These poisonous substances absorb on the plastic, and then when seafood absorbs the plastics, those poisonous substances enter the fatty tissues. ”To be consumed by other sea life and by people at last. China, Indonesia, the Philippines, Thailand and Vietnam are the worst plastic polluters. The United States, although a leader in recycling, is one of the world's 20 since it produces and consumes so much plastic. There are efforts around the world to address the problem, including at this newly opened recycling center in Lebanon(黎巴嫩). But Andersen says there is more that people can do. “Cut back on single-use plastics, straws, plastic cups, plastic water bottles, plastic bags and find alternatives like reusable materials.” She says healthy oceans are essential to our survival.（1）What can we learn from the passage?A. There's all island full of plastic rubbish in the Pacific.B. The bad effect of plastic pollution can't be seen by eyes.C. The United States is the least plastic polluters.D. The plastic pollution to oceans is more serious than what we can see.（2）What does the underlined word “it” refer to in paragraph 3?A. Pollutants like heavy metals and medicines.B. The plastic particles.C. Seafood.D. Fatty tissues.（3）What can be inferred from the last paragraph?A. All Asian countries have the most serious problem of plastic pollution.B. The plastic problem hasn't attracted the world's attention.C. Andersen is not satisfied with what has been done to solve the plastic problem,D. People should stop using plastic products immediately.（4）Which may be the title of the passage?A. Plastic pollution in the World.B. Plastic pollution—Oceans'Disaster.C. Ways to solve the problem of plastic pollution to oceans.D. Plastic pollution and our health.【答案】（1）D（2）B（3）C（4）B【解析】【分析】这是一篇说明文。
高考英语(阅读理解提高练习题)压轴题训练附答案解析
一、高中英语阅读理解1．阅读理解Huawei Technologies Co. displayed its much-anticipated in-house operating system Harmony OS on Friday, marking what some call the Chinese tech giant's biggest push yet to build its own software ecosystem for the era of the internet of things.The move is also expected to weaken the influence of the United States government's restrictions on Huawei using Google's Android operating system in smartphones, analysts said.Yu Chengdong, CEO of Huawei's consumer business group, speaking in Dongguan, Guangdong province, said it is difficult to deliver a smooth experience across different devices with the huge amount of codes involved in the Android and Linux operating systems. Linux is an open-source operating system widely used in personal computers and other hardware."Harmony is a next-generation operating system designed to address the challenge," Yu said, adding that it will be able to support a wide range of application situations, including smart TVs, automobiles and wearables.The internet of things refers to a network of devices and other objects that can connect with each other and exchange data.Yu said the US government's restrictions have accelerated the company's marketing of the system, which now has about 4,000 employees working on it.The senior executive said Harmony can be used in its smartphones. But Android is still Huawei's preferred choice for handsets if the company is allowed to use it."But when Android is not available, Harmony can be applied immediately to smartphones. Harmony is ready," Yu added.Jia Mo, an analyst at market research company Canalys, said even if Huawei does not use Harmony in its smartphones in the short term, its smartwatches and smart TVs can be equipped with Harmony to widen its use and accumulate more experience in building an ecosystem."Also, more importantly, Huawei chose to build Harmony into an open-source operating system and allow it to be compatible with Android. Thus Harmony will be more accepted by current Android users. This will prevent Huawei from repeating the fate of Microsoft in promoting smartphone systems," Jia said. Microsoft failed to popularize the use of its Windows system in smartphones years ago.（1）What is the significance of the Harmony OS?A. It symbolizes Huawei has finished its own software ecosystem.B. It may reduce the threat from US government's restrictions.C. It will accumulate more experience in building an ecosystem.D. It successfully borrows from Microsoft's Windows system.（2）Which of the following may take the place of the underlined word "compatible" in the last paragraph?A. Used harmoniously.B. Operated quickly.C. Resisted fiercely.D. Monitored closely.（3）Where may we find this article?A. Fashion magazines.B. TV interviews.C. Historic documents.D. News websites.【答案】（1）B（2）A（3）D【解析】【分析】本文是一篇新闻报道，介绍了华为的鸿蒙系统的发布。
备战高考英语阅读理解提高练习题压轴题训练及详细答案
一、高中英语阅读理解1．阅读理解Researchers in Australia have discovered an effective new method to capture the atmospheric carbon dioxide that is damaging our planet and transform it into something solid, making it much easier to store.Carbon capture isn't new, but previous methods call for the gas to be compressed into liquid and then injected underground. Widespread usage of that technology has been locked by economic and environmental concerns due to possible leaks. Instead, in a study published in Nature Communications, the group details their sustainable and cost-effective plan for transforming CO2 into coal.This new process involves a liquid metal catalyst(催化剂)that is efficient in conducting electricity. CO2gas is dissolved in a container with some liquid. Once electricity charge is introduced, the CO2 begins to turn into solid pieces of carbon, which can be collected and stored. What makes this particularly unique is that the entire process can occur at room temperature. Previous experiments have only shown a gas to solid conversion at extremely high temperature, which made it impossible on a large scale. Now, the researchers are hoping that their work will be used to create even further when it comes to carbon storage.In an interesting side benefit, the solid carbon also works as an electrode(焊条), which opens up a world of possibilities. "A side benefit of the process is that the carbon can hold electrical charge, becoming a super battery, so it could potentially be used as a part in future vehicles," explains Dr. Dorna Estrafilzadeh, a researcher. "The process also produces fuel as a by-product, which could also have industrial applications."（1）What can we know about the previous carbon capture methods?A. People have to inject liquid to the gas.B. The previous methods can be done easily.C. The previous methods are not very popular.D. People have widely accepted previous methods.（2）What is the special part of the new method?A. It needs electricity to make the process efficient.B. It can be done in any kind of container.C. It doesn't need extreme temperature.D. It can produce much solid carbon.（3）What can we infer from the last paragraph?A. The method will make fossil oil disappear.B. The method will influence the future industry.C. The method will make developed countries more powerful.D. The method will be used to make new vehicles.（4）What is the best title for the passage?A. How to change carbon into CO2.B. A new carbon capture technology.C. A new technology to get useful carbon.D. Australia makes the world cleaner than before.【答案】（1）C（2）C（3）B（4）B【解析】【分析】本文是一篇说明文，介绍了一种新的碳捕获技术的原理，优点和对未来工业的影响。
高考英语高考英语压轴题 阅读理解专项训练分类精编及答案
高考英语高考英语压轴题阅读理解专项训练分类精编及答案一、高考英语阅读理解专项训练1．阅读理解People who sleep fewer than six hours a night are more likely to die early, researchers in University of Warwick have found in a recent study. They discovered that people who slept for less than six hours each night were 12% more likely to die before the age of 65 than those who slept the recommended six to eight hours a night.The researchers pointed out that previous studies had shown that the lack of sleep was associated with problems like heart disease and high blood pressure. However, the researchers also found that sleeping too much was linked to an early death. Those who slept for more than nine hours a night were 30% more likely to die early, as an article in the latest Sleep suggested. That directly contradicts another passage in the same journal last month suggesting that people who slept for ten hours or longer a night were more likely to live to 100. This was thought to be because people who lived into extreme old age were healthier and therefore slept better.However, the authors of the latest research contradicted this and suggested that long sleep was a sign of underlying illnesses such as depression and low levels of physical activity. Professor Francesco Cappuccio at the University of Warwick said: "While short sleep may represent a cause of ill-health, long sleep is believed to represent more an indicator of ill-health."He also mentioned: "Modern society has seen a gradual reduction in the average amount of sleep people take, and this pattern is more common among full-time workers, suggesting that it may be due to social pressures for longer working hours. On the other hand, the worsening of our health is often accompanied by an extension of our sleeping time.""Consistently sleeping six to eight hours per night may be good for health. However, whether to achieve the goal depends on various factors such as the environment as well as measures of public health aimed at favourable changes of the working environments," Professor Francesco Cappuccio added.（1）What did researchers in University of Warwick find?A. People who sleep fewer than 6 hours each night die before 65.B. Sleeping for more than 9 hours a night does good to one's health.C. Six to eight hours' sleep can be appropriate for people.D. People at an old age are healthier because they sleep longer.（2）What is Professor Francesco Cappuccio most likely to agree with?A. Long sleep is what causes our health problems.B. Modern people sleep less because they work longer.C. Our health becomes worse because we sleep less.D. How long we sleep depends on our education.（3）What did the researcher think may help people have proper sleep?A. Social pressure.B. Longer working hours.C. Extension of sleeping time.D. Changes of working environments.（4）What can be the best title for this passage?A. How Long Should We SleepB. Longer Sleep Makes Better HealthC. Time to Sleep EarlyD. The Importance of Sleep【答案】（1）C（2）B（3）D（4）A【解析】【分析】本文是一篇说明文，研究发现，每晚睡眠不足6小时的人死亡风险更大。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
一、高中英语阅读理解1．阅读理解Hi, I'm Neil Harbisso. I come from a place where the sky is always grey, where flowers are always grey, and where television is still in black and white.I actually come from a world where color doesn't exist. I was born with achromatopsia. I was born completely color-blind. So I've never seen color, and don't know what it looks like. But since the age of 21, I can hear color thanks to a magic electronic eye called "eyeborg": a color sensor between my eyes connected to a chip(芯片) installed at the back of my head that transforms color frequencies into sound frequencies that I hear through my bone.I've had the electronic eye permanently attached to my head and I've been listening to colors nonstop since 2004. So I find it completely normal now to hear colors all the time.Since I started to hear color, my life has changed significantly. Art galleries have become concert halls. I can hear a Picasso. And supermarkets have become like night clubs. I love how they sound.My sense of beauty has changed. Someone might look very beautiful but sound terrible, and someone might sound very harmonious but look awful. So I find it really exciting to create sound portraits(画像) of people. Instead of drawing the shape of someone's face I write down the different notes I hear when I look at them, and then I send them an mp3 of their face. Each face sounds different. I can even give face concerts now, concerts where I play the audience's faces. The good thing about doing this is that if the concert doesn't sound good, it's their fault.I also found out that things I thought were colorless are not colorless at all. Cities are not grey. Lisbon is yellow turquoise(宝石绿); London is very golden red…and humans are not black and white. Human skins range from light shades of orange to very dark shades of orange. We are all orange.If we extend our senses, we will consequently extend our knowledge.（1）We can infer from the article that people with achromatopsia ____________.A. suffer from blindnessB. have a good sense of colorsC. are not able to see colorsD. like to go to concert halls and supermarkets （2）What does the author mean by saying "Art galleries have become concert halls"?A. Art galleries have been changed into various sounds.B. Works at the art galleries are created by great musicians.C. Art galleries are filled with noisy people.D. The author now likes art galleries as much as concert halls.（3）Which of the following statements is NOT correct?A. Neil developed a rare disease in his childhood.B. The eyeborg produces sounds based on shades of colors.C. Neil will use the eyeborg for the rest of his life.D. In Neil's mind, all people are orange.（4）What is the best title for the passage?A. Eyeborg–a real life saver.B. I listen to color.C. Sense the world.D. Art galleries turned into concert halls.【答案】（1）C（2）A（3）A（4）B【解析】【分析】本文是一篇记叙文，从小患有色盲的作者，利用颜色传感器来听自己看不见的颜色，从而形成了作者与众不同的美感。
作者认为如果我们扩展我们的感官，我们将因此扩展我们的知识。
（1）考查推理判断。
根据第二段中的“I actually come from a world where color doesn't exist.I was born with achromatopsia. I was born completely color-blind.”我来自一个没有颜色的世界。
我生来患有色盲。
我生来就是色盲。
可推断，患有色盲的人是看不见颜色的。
故选C。
（2）考查句义猜测。
根据第四段中的“Since I started to hear color, my life has changed significantly.”自从我开始听到颜色，我的生活发生了巨大的变化；以及空后“I can hear a Picasso.”我能听见毕加索的声音。
可知作者说"艺术画廊变成了音乐厅"意思是对作者来说，艺术画廊已经变成了各种各样的声音。
故选A。
（3）考查细节理解。
根据第二段中的“I actually come from a world where color doesn't exist.I was born with achromatopsia. I was born completely color-blind.”我来自一个没有颜色的世界。
我生来患有色盲。
我生来就是色盲。
可知A选项"尼尔小时候得了一种罕见的疾病。
"错误。
故选A。
（4）考查主旨大意。
根据第三段中的“I've had the electronic e ye permanently attached to my head and I've been listening to colors nonstop since 2004. So I find it completely normal now to hear colors all the time.”我把电子眼固定在头上，从2004年开始我就不停地听彩色音乐。
所以我发现现在一直听到颜色是完全正常的。
以及文章主要内容为生来是色盲的作者讲述自己听颜色的事情，故选B。
【点评】本题考点涉及细节理解，词义猜测，推理判断和主旨大意四个题型的考查，是一篇故事类阅读，要求考生在捕捉细节信息的基础上，进一步根据上下文的逻辑关系，进行分析，推理，概括和归纳，从而选出正确答案。
2．阅读理解In 1953, a mountain climber reported seeing a bar-headed goose soar over the peak of Mount Everest (珠穆朗玛). It was thought impossible. Now researchers who raised 19 of the geese—named for the black stripes on the backs of their heads—have shown the birds really fly so high. The team trained the youngsters to fly in a large wind tunnel wearing backpacks and face masks full of sensors that recorded their heart rate. blood oxygen levels, temperature, and metabolic rate—how many calories they burned per hour. The researchers simulated(模拟)10w-, medium-, and high-altitude conditions by altering the concentration of oxygen supplied to face masks worn by each goose as it flew in the tunnel.Birds already have a better heart and lungs than mammals for sustained physical activity. Andresearchers knew that bar-headed geese have even larger, thinner lungs that let them breathe more deeply and an even bigger heart to pump more oxygen to muscles than other birds.The wind tunnel experiments showed that when the concentration of oxygen was at its lowest-like the 7% found on top of Mount Everest versus 21% at sea level—the geese's heart rate and frequency of wing beats remained the same even as their metabolic rate dropped. Somehow, the birds managed to cool down their blood-the measured blood temperature dropped so it could take in more oxygen, the researchers report today in eLife. This cooling likely helps compensate for the very thin air, the team says.Although well trained, the birds were only willing to stay in the air a few minutes-or less when wearing their backpacks and flying at 6ihigh" altitudes. So it's not clear whether these adaptations alone are what make it possible to fly the 8 hours it takes to climb over Mount Everest. But those few minutes showed these geese really could fly over the top of Mount Everest.（1）Why did the researchers raise 19 bar-headed geese and train them?A. To test the flying height and speed of them.B. To confirm they could fly over Mount Everest.C. To observe them flying through the wind tunnel.D. To see how many calories they burned per hour.（2）What can we learn from the wind tunnel experiment?A. It was carried out at very high altitude.B. The geese managed to breathe less when their blood decreased.C. The geese could live through the lowest concentration of oxygen.D. It shows the geese could fly at high altitude for long.（3）What still puzzles scientists about the geese?A. Whether they have super hearts and lungs.B. Whether they have muscles pumped more oxygen to.C. Whether they are willing to wear backpacks and face masks.D. Whether they can manage to fly 8 hours to climb over Mount Everest.（4）Where does the text most probably come from?A. A science fiction.B. A climbing guide.C. A travel brochure.D. A science report.【答案】（1）B（2）C（3）D（4）D【解析】【分析】本文是一篇说明文，登山者报告说看到一只长颈鹅翱翔在珠穆朗玛峰的顶峰，为了确认其真实性，研究人员养了18只这种鹅，在大型风洞中训练它们飞行。