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Unit 3 On the moveReadingSelf-driving cars—destination known?自动驾驶汽车----目的地已知吗?Mr Zhang casually glances at the empty driver's seat and says, "Destination Grand Hotel. Family mode. Start." The car responds immediately, easing smoothly into the busy traffic and avoiding obstacles on the road. Inside the car, the family have chosen their entertainment from a pop-up display panel, ready for the journey ahead. This imagined scene provides a likely future reality for self-driving cars, also known as autonomous vehicles(A Vs).张先生漫不经心地看了-眼空荡荡的驾驶座，说道:“目的地格兰酒店。
家庭模式。
出发。
”汽车立即响应，平稳驶入繁忙的车流，避开路上的障碍。
车里面，一家人已经在弹出式显示面板上选好了娱乐项目，为前方的旅途作好准备。
这个想象中的场景展示了自动驾驶汽车，也叫自主汽车，一种可能的未来的现实。
However, before this evolution in transport becomes a revolution, it must be fully understood how self-driving cars work. Put simply, self-driving cars must "see" and "behave" appropriately to be safe on the road. They do this through various hardware and deep-learning AI. Cameras as well as sensors like radar and lidar capture a variety of data from the external environment. Once the data is sent to the AI system, the "brain" of the car, it is analysed and put together like a puzzle so that the self-driving car can "see" its surroundings and determine its position. Meanwhile, the Al system identifies patterns from the data and learns from them. An action plan is then created to instruct the car how to "behave" in real time: stay in the lane, move into another one, speed up or slow down. Next, the necessary mechanical controls, such as the accelerator and brakes, are activated by the AI system, allowing the car to move in line with the action plan.然而，在这种交通方式的变革成为一场革命之前，必须充分了解自动驾驶汽车的工作原理。
高一英语选择性必修一课文及翻译（外研版新教材）中英Word精编文档Unit 1 Laugh out l oud!Und erstanding ideasThe Best Medicine最佳妙方1 As I approach the hospital wearing my white coat, I l ook just like any otherd octor. That is until I put on my curly rainbow wig, big red nose, and ad d my name badge “Doctor Larry Laugh-Out-Loud”. I walk through the d oors into the waiting area, where there’s a familiar atmosphere of bored om and tension. Peopl e sit uncomfortably on plastic chairs, l ooking through ol d magazines, all of which have been read hundreds of times previously. Anxious parents d o what they can to comfort nervous and crying children.当我穿着白大褂走进医院时，我看起来和其他医生没什么两样——直到我戴上卷曲的彩虹色假发和大红鼻子，别上我的名牌“拉里，笑哈哈医生”。
我穿过一道道门进入候诊区，这里充斥着常见的厌烦和紧张情绪。
人们别扭地坐在塑料椅上，翻阅着那些已经被读过数百遍的旧杂志。
焦虑的父母们正尽其所能安抚紧张哭闹的孩子。
2 In the middl e of this particular scene I spot a small girl whose ankl e is twice its normal size. I speak with the on-duty nurse, who tells me that Lara’s parents rushed her t o the hospital after she fell off her bicycl e. Since getting here, Lara has spent her time crying in pain. Although it’s the doctors andnurses who will treat her injury, it’s my job to make her feel better.在这个特别的场景里，我注意到一个小女孩，她的脚踝肿成了原来的两倍。
Unit 1 Our worldLife in a dayWhat do you love? What do you fear? What’s in your pocket? These are the questions from the film Life in a Day. Director Kevin Macdonald asked people around the world to answer the questions and send in a video clip from a typical day. He was interested in creating a picture of the world, a digital time capsule for the future. On 24 July 2010, people from Africa, Europe, America, Antarctica and Asia recorded events on their mobile phones and digital cameras and uploaded them onto the Internet. In all there were 81,000 video clips. It took Macdonald and a team of researchers seven weeks to make them into a film.你喜欢什么?你害怕什么?在你的口袋里是什么?这些问题来自电影《一天的生活》。
导演凯文·麦克唐纳要求世界各地的人们回答这些问题，并发送一条有代表性一天的视频片段。
他对创造一幅世界图景感兴趣，一个未来的数字时间胶囊。
2010年7月24日，来自非洲、欧洲、美洲、南极洲和亚洲的人们用手机和数码相机记录下日常琐事并上传到互联网上。
Unit 1ReadingThe Amazon rainforest: a natural treasure亚马孙雨林：大自然的宝藏Welcome to the jungle, a huge sea of green alive with the sounds of animals. This is the Amazon rainforest. As the largest rainforest in the world, it plays a significant role in maintaining the fine balance of the Earth's ecosystem.欢迎来到丛林，这是一片绿色的海洋，处处可闻各种动物的声音。
这里是亚马孙雨林。
作为世界上最大的雨林，它在维系地球生态系统的微妙平衡上扮演着举足轻重的角色。
The Amazon rainforest crosses into eight countries, including Brazil and Peru, and one overseas region of France, all on the South American continent. With an area of around 6 million square kilometres , the Amazon rainforest is more than half the size of China. The Amazon River, from which the rainforest gets its name, is close to 6,400 kilometres in length-roughly 100 kilometres longer than the Yangtze River. On its journey from the mountains to the ocean, the river supports many different ecosystems. They give this area the richest biodiversity on the Earth: one in ten known species in the world can be found here.亚马孙雨林穿过包括巴西、秘鲁在内的八个国家，以及一块法国的海外领地，都位于南美洲大陆。
新牛津译林版高中英语必修一unit4课文翻译（附单词表）Teen faints after skipping meals多餐未进食女生晕厥STONECHESTER-A teenage girl fainted yesterday at Stonechester High School after skipping meals.来自斯通彻斯特的报道：昨日，斯通彻斯特高中一名女生多餐未进食后晕厥。
Jennifer Jones,15,told friends in her class that she was feeling unwell.She then passed out in her morning PE lesson and was rushed to hospital.珍妮弗·琼斯，十五岁，曾告诉同班朋友自己感觉不适，后来在上午的体育课上晕厥，随即被紧急送往医院。
Jennifer was found to have dangerously low blood sugar levels and was treated immediately.Her worried parents told the doctor that their daughter missed breakfast that day and hardly touched her dinner the night before.Fortunately,she is now out of danger.Her doctor says that she will make a full recovery in a day or two.医生发现珍妮弗的血糖已经低到了很危险的程度，于是马上对其进行治疗。
珍妮弗的父母忧心忡忡，他们告诉医生，女儿当天早晨未进食，前一天的晚餐也几乎丝毫未动。
幸运的是，珍妮弗已经脱离了危险。
主治医生预计，珍妮弗一两天就能康复。
Unit 1 Our living planet一、重点单词与短语：1.evolve vi. & vt.进化，演化；(使)逐渐形成，逐步开展，逐渐演变(P2,L16)①evolve from从进化/演化而来②evolve into逐步开展成为devolution n.进化；演变，开展，渐进[u]Revolutionary adj.进化的，演变的，逐渐开展的Revolutionist n.进化论者典题赏析：1)It is believed that humans apes.一般认为人是从类人猿进化而来的。
2)The company a major chemical manufacturer.这家公司已逐步开展成为一家大型的化工厂。
3)Today we learned Darwin's theory of(evolve).2.capture vt.俘获，捕获；用武力夺取，攻取；夺得，赢得；引起，吸引n.(被)捕获，(被)俘获(P2, L17)①capture one's attention/interest/imagination 引起某人的注意/兴趣/想象②capture one's heart赢得某人的好感/爱意典题赏析：1)Government troops have succeeded in capturing the rebel leader. 意为：2)Nanjing was captured by the Japanese troops in 1937. 意为：3)The young man captured the beautiful girl's heart at the first sight. 意为：4)His stories of foreign adventure captured my imagination. 意为：5)The two soldiers somehow managed to avoid capture, 意为：3.in equal measure 在同样程度上(P2, L18)①in full measure最大程度地，最大限度地②in large/some measure在很大/某种程度上③for good measure作为额外增添，额外，外加©beyond measure非常(多、大等)，极其⑤full/short measure足量/缺乏量@take/adopt measures to do sth.采取措施干某事⑦take/get sb/s measure (= take/get the measure of sb.)量某人的尺寸；摸清某人的内幕⑧make…to one's measure按某人的尺寸做典题赏析：1)Do you agree that the role of television is to entertain and inform? 你同意电视的作用是在同等程度上娱乐和传播信息吗？2)They returned our hospitality.他们对我们报以最大程度的热情。
Unit 1 Our living planetGrammar and composition p6Inversion 倒装A Exploring the rulesBelow is an article from a science website about the changing lengths of days and years.Find the sentences that use inversion and fill in the box below. The first one has been done for you.下面是一篇来自科学网站的文章，探讨了日期和年份的变化规律。
找出使用倒装句的句子，填入下面的方框，第一个已经完成了。
Seldom do we doubt that a day is 24 hours long and that a year consists of 365 days (well, a little more actually, which is why we have leap years). These timings are based on the Earth's planetary motions. It takes the Earth a day to spin once on its axis and a year to make one complete circular movement around the Sun. However, would it surprise you to learn that scientists have found evidence that this has not always been the case?Under the oceans lies the hidden evidence for the changing lengths of days and years. Ancient corals, just like tree trunks, show distinct growth rings, and by counting these rings, it is possible for scientists to calculate the number of days in a year, many millions of years ago. Here is an example. By studying corals that were over 400 millions years old, scientists estimate that an earth year was 420 days long back then. Similarly, tidal records laid down in ancient river mouths also reveal different lengths of days and years in the past. Examining the daily, monthly and seasonal cycles of these tidal records lets scientists know the number of days in previous years. They indicate, for instance, that 620 million years ago the day was possibly 3 hours shorter than it is today.Based on all this evidence, not only do scientists conclude that the lengths of days and years have changed in past eras, they also predict that days will get longer in the future. So, one day, the expression 24/7 may well have to be replaced with the revised expression,25/7!我们很少怀疑一天有24小时长，一年有365天(嗯，实际上多一点，这就是为什么我们有闰年)。
Unit1 Beware and take careReadingFighting the hidden enemy— a war we must winAn enemy appeared without warning, attacking its unsuspecting victims with efficiency. This silent and invisible enemy moved swiftly through communities and secretly crossed borders.The world soon learnt that the enemy we faced was Covid- 19.Covid-19 is caused by a new strain of coronavirus. Once entering the body, the virus multiplies inside the cell quickly and infects neighbouring cells. Common symptoms can include fever, tiredness, a dry cough, a headache, loss of taste or smell. However, in some cases, the virus causes the body’s own immune system to overreact, resulting in the body killing its own healthy cells. Consequently, the disease can become worse, causing damage to the body’s organs and tissues.Covid-19 is a highly infectious disease that can be transmitted easily and swiftly from person to person. This typically happens when people take in respiratory droplets and particles from an infected person. They can also catch Covid-19 by touching a surface or an object contaminated with the virus, and then touching their own mouth, nose or eyes. Research shows that there are certain settings that allow the virus to spread more easily. For instance, it favours cool, dry conditions and crowded indoor spaces with poor ventilation. What makes this disease even more dangerous is that infected people who show no symptoms may become unknowing carriers and spreaders of the virus.In early 2020, the threat posed by Covid-19 came to be fully recognized on a global scale. It spread rapidly across the world, affecting millions of people. More dangerously, new and even more infectious variants of the virus, such as the Delta and Omicron variants, gradually began to evolve in various parts of the world, presenting an increased threat to the health of the world’s population.To beat this silent enemy, the world pulled together. Governments joined forces with leading pharmaceutical and biotechnology companies so that vaccines could be produced, distributed and administered in record time. Doctors and nurses stepped forward to join the fight and went wherever they were needed, risking their own lives to tirelessly serve and care for patients. Community workers and volunteers worked round the clock to deliver food and medicines to residents. Ordinary people from all walks of life united in helping those affected by the pandemic. Simple acts of kindness and generosity were everywhere. In the darkest days when Covid-19 was doing its worst, the human spirit shone at its brightest.While the fight against Covid-19 is a global effort, there are preventive measures that everyone can take to help control the spread of the disease. Firstly, personal hygiene iskey. Clean your hands with soap and water thoroughly. Use an alcohol-based hand sanitizer if soap and water are not available,and avoid touching your mouth, nose and eyes with unwashed hands. At home or at work, clean and disinfect frequently touched surfaces and objects. Secondly, when in public places, remember to wear a face mask, practise social distancing and avoid large crowds. Thirdly, receive a Covid-19 vaccine to help your body build up immunity against the virus. Finally, seek medical attention if you show any of the symptoms or have reason to believe that you have been exposed to the virus. By staying alert and following government advice and regulations, we not only protect ourselves, but also help protect our fellow citizens. Our fight against Covid-19 has shown us that we are now living in a human community with a shared future. Only by working together, while accepting our individual responsibilities, can we solve both national and global problems. We need to support each other so that we can march confidently, arm in arm, into a better and more secure future.Extended readingSay no to drugsGood morning, everyone. As a police officer who has spent many years working in the front line of the fight against drugs, I have witnessed, all too often, the destructive impact that drugs can have on individuals, families and the wider community. I have seen how drugs can destroy people’s physical and mental well-being and ruin young lives before they even begin. I have seen how families are torn apart after a family member has become addicted to drugs. I have also seen how tirelessly the forces of law and order work together in fighting against drugs. I will not exaggerate the scale of the problem, as the facts speak for themselves. According to the 2021 World Drug Report, it is estimated that around 275 million people used drugs worldwide and over 36 million people suffered from drug use disorders in the last year. These shocking figures indicate that drug abuse is a very serious global problem. Therefore, it is everyone’s responsibility to say no to drugs.Drug abuse hurts an individual drug user both physically and mentally. The most serious health conditions associated with drug abuse include heart problems, respiratory problems, kidney failure, liver damage and a weakened immune system, increasing the risk of illness and infection. Moreover, drugs interfere with a person’s ability to make sensible decisions. Consequently, people under the influence of drugs are no longer in control of their own mind and likely to put themselves or others in great danger. They also suffer from memory loss and mood disorders like depression or anxiety.Apart from its harm to individuals, drug abuse also destroys families and impactssociety as a whole. Drug users sometimes lie and steal to fuel their habit, while ignoring the responsibilities they have to their families. This can lead to not only financial hardship but also the breakdown of once strong family relationships and the loss of stability within the family. The impact drug abuse has on society is also enormous. Under the influence of drugs, drug users may exhibit violent behaviour and sometimes even commit criminal acts, threatening public safety. They are willing to do anything to get their hands on drugs. Also, because drug users need a regular supply of drugs, the criminal underworld quickly develops, eating away at the fabric of society.Knowing the serious damage that can be caused through the use of drugs, you may be asking yourself: why would anybody be foolish enough to start taking drugs? There is no simple answer to this question, but there are well-identified risk factors for drug abuse. Some people experiment with drugs simply out of curiosity, some regard drug use as an escape from the stresses of everyday life, and others start to use drugs just because people around them are drug users.Fortunately, there are things you can do to protect yourself from drug use. First of all, drug education is of vital importance. You should learn more about drugs, especially new designer drugs, which are incredibly dangerous. The more you know about the terrible consequences of taking drugs, the more likely you are to stay away from them. Secondly, you need to choose where you go and who you spend time with very carefully. Make sure you surround yourself with friends who you can really count on and turn to for support. Last but not least, should you ever come under pressure to use drugs, you must immediately seek assistance from an adult who you look up to, such as a family member, a teacher or a doctor.In conclusion, I hope my message is clear—say no to any kind of drug. The most effective way to avoid all the problems caused by the use of drugs is not to use them in the first place.Unit 1sow the seeds of sth 成为…的肇端；播下…的种子(2)*coronavirus /kəˈrəʊnəvaɪrəs/ n. 冠状病毒(2)*multiply /ˈmʌltɪplaɪ/ vi. & vt. 成倍增加，迅速增加；乘，乘以；（使）繁殖增殖(2)infect /ɪnˈfekt/ vt. 传染，使感染；传染，使感染（计算机病毒）；使感染（某种感情），影响(2)*symptom /ˈsɪmptəm/ n. 症状；征候，征兆(2)*sore /sɔː(r)/ adj.（发炎）疼痛的，酸痛的；气恼，愤慨(2)*throat /θrəʊt/ n. 咽喉，喉咙，颈前部(2)transmit /trænzˈmɪt/ vt. 传播，传染；传（热、声等），透（光等）；传送，输送vi. 传送，输送(2)*respiratory /rəˈspɪrətri; ˈrespərətri/ adj. 呼吸的(2)*contaminate /kənˈtæmɪneɪt/ vt. 污染，弄脏；玷污，毒害(2)*inadequate /ɪnˈædɪkwət/ adj. 不充分的，不足的，不够的；不胜任的，缺乏信心的(2)*ventilation /ˌventɪˈleɪʃn/ n. 通风(2)*approximately /əˈprɒksɪmətli/ adv. 大概，大约，约莫(3)underlying /ˌʌndəˈlaɪɪŋ/ adj. 潜在的，隐含的，根本的；表面下的，下层的(3) variant /ˈveəriənt/ n. 变种，变体，变形(3)pull together 齐心协力，通力合作(3)join forces with 同…联合，与…合作(3)*pharmaceutical/ˌfɑːməˈsuːtɪkl; ˌfɑːməˈsjuːtɪkl/ adj. 制药的，配药的，卖药的n. 药物(3)biotech /ˈbaɪəʊtek/ n. 生物技术(3)in record time 以最快的速度(3)do one’s worst 进行最大破坏，使尽最坏的招数(3)precaution /prɪˈkɔːʃn/ n. 预防措施，预防，防备(3)*hygiene /ˈhaɪdʒiːn/ n. 卫生(3)*soap /səʊp/ n. 肥皂(3)*sanitizer /sænɪtaɪzə(r)/ n. 杀菌洗手液，消毒杀菌剂(3)*mask /mɑːsk/ n. 口罩，面罩，面具；假面具；面膜；伪装，掩饰vt. 掩饰，掩藏(3)social distancing 社交距离(3)*vaccinate /ˈvæksɪneɪt/ vt. 给…接种疫苗(3)*quarantine /ˈkwɒrəntiːn/ n.（为防传染的）检疫，隔离期(3)*pandemic /pænˈdemɪk/ n.（全国或全国性）流行病，大流行病adj. 大范围流行的(3)put sth aside 忽视，不理睬，忘记；储存，保留(3)lining /ˈlaɪnɪŋ/ n. 衬层，内衬，衬里；（身体器官内壁的）膜(5)every cloud has a silver lining 黑暗中总有一线光明(5)*liver /ˈlɪvə(r)/ n. 肝(6)*irritate /ˈɪrɪteɪt/ vt. 刺激；使烦恼(6)medication /ˌmedɪˈkeɪʃn/ n. 药，药物(6)*fatal /ˈfeɪtl/ adj. 致命的；灾难性的，毁灭性的，导致失败的(6)*dose /dəʊs/ n.（药的）一剂，一服；一份，一次，一点(7)*prescribe /prɪˈskraɪb/ vt. 让…采用（疗法），给…开（药），开（处方）；规定，命令，指示(7)*excessive /ɪkˈsesɪv/ adj. 过分的，过度的(7)*cybercrime /ˈsaɪbəkraɪm/ n. 网络犯罪(9)*span /spæn/ n. 持续时间；范围，包括的种类vt. 持续，贯穿；包括，涵盖；横跨，跨越(9)*phishing /ˈfɪʃɪŋ/ n. 网络仿冒，网络钓鱼(9)*malware /ˈmælweə(r)/ n. 恶意软件(9)part with sth 放弃，交出（尤指不舍得的东西）(9)*ransom /ˈrænsəm/ n. 赎金vt.（为某人）交付赎金(9)attachment /əˈtætʃmənt/ n.（用电子邮件发送的）附件；依恋，爱慕；信念，信仰；（机器的）附件；连接，连接物；暂时隶属于(9)*spam /spæm/ n. 滥发的电邮，垃圾电邮(9)*fraudulent /ˈfrɔːdʒələnt/ adj. 欺骗的，欺诈的(9)*patch /pætʃ/ n. 修补（程序），补丁(9)drop one’s guard 放松警惕(9)disorder /dɪsˈɔːdə(r)/ n. 失调，紊乱，疾病；杂乱，混乱，凌乱；骚乱，动乱(11) *kidney /ˈkɪdni/ n. 肾，肾脏(11)*interfere /ˌɪntəˈfɪə(r)/ vi. 干涉，干预，介入(11)*rational /ˈræʃnəl/ adj. 合理的，理性的，明智的；理智的，清醒的(12)exhibit /ɪɡˈzɪbɪt/ vt. 表现，显示，显出（感情、品质或能力）；展览，展出vi. 展览，展出n.（一件）展览品，陈列品(12)underworld /ˈʌndəwɜːld/ n. 黑社会，黑道，犯罪集团(12)*exploit /ɪkˈsplɔɪt/ vt.利用（…为自己谋利）；剥削，压榨；运用，利用，发挥；开发，开采，开拓(12)*vulnerability /ˌvʌlnərəˈbɪləti/ n. 弱点(12)*immense /ɪˈmens/ adj. 极大的，巨大的(12)*tempt /tempt/ vt. 引诱，诱惑；劝诱，鼓动，怂恿，利诱(12)*whirlpool /ˈwɜːlpuːl/ n.（河水或海水的）旋涡(12)fight off 抵抗，击退(13)*chill /tʃɪl/ n. 着凉，受寒；寒冷，寒意，凉意(13)*rash /ræʃ/ n. 皮疹，疹adj. 轻率的，鲁莽的(13)。
Unit1Beware and take care当心保重ReadingFighting the hidden enemy抗击隐秘的敌人—a war we must win一场我们必须赢的战争An enemy appeared without warning,attacking its unsuspecting victims with efficiency.This silent and invisible enemy moved swiftly through communities and secretly crossed borders.The world soon learnt that the enemy we faced was Covid-19.它像一部恐怖电影一样展现在我们面前。
一个致命的杀手毫无预警地出现了，以残酷的效率攻击毫无戒备的受害者。
这种沉默而无形的敌人迅速穿过社区，秘密跨越边界，一路上播下了害怕的种子。
Covid-19is caused by a new strain of coronavirus.Once entering the body,the virus multiplies inside the cell quickly and infects neighbouring mon symptoms can include fever,tiredness,a dry cough,a headache,loss of taste or smell. However,in some cases,the virus causes the body’s own immune system to overreact, resulting in the body killing its own healthy cells.Consequently,the disease can become worse,causing damage to the body’s organs and tissues.新冠病毒是由2019年末首次识别的一种新型冠状病毒株引起的，一旦进入人体，病毒在细胞中迅速繁殖并感染邻近细胞。
Unit 1 Our living planetThe ocean deep 海洋深处We look upwards and wonder what lies beyond our planet. We send probes into the vastness of space to explore the unknown. We build space stations to advance our understanding of the universe. Our curiosity about outer space has remained unshakeable. Meanwhile, it is estimated that more than eighty per cent of the world's oceans are unexplored. So, if we want to find exciting new life forms as well as undiscovered and unusual geological formations, the ocean is where we should also be looking· Then why don't we dive to the bottom of a really deep ocean and take a long, close look beneath the waves?我们仰望天空，好奇在我们的星球之外有什么。
我们向浩瀚的太空发射空间探测器以探索未知世界。
我们建造空间站以增进对宇宙的了解。
我们对太空的好奇心一直以来从未动摇。
同时，据估算，世界上超过80%的海洋还未被探索。
因此，如果我们想找到令人激动的新生物以及未被发现的、不同寻常的地质构造，海洋也是我们应该去寻找的地方。
那么，我们为什么不潜到很深的海底，长时间地、仔细地观察海底呢?The first 200 metres of our dive takes us through what can be called the open ocean, where most visible light exists. Here lives much of the marine life we know about, such as dolphins, corals and seaweeds. Sinking below 200 mertes, we enter the twilight zone, where there is little sunlight and thus almost no plant life. Most of the fish living here are small filter feeders which swim up at night to feed in the nutrient-rich waters above .Also living in the twilight zone are hunters with telescopic, upward-pointing eyes that can easily spot a meal in the waters above. Consequently, the fish most likely to be eaten have evolved to have thin bodies so thar they arc less easily to be seen fr om below. However, once they are captured, the hunters’ backward-carving teeth prevent them from getting away. Evolution, it seems, helps both the hunter and the hunted in equal measure.我们下潜的头200米带我们穿过所谓的透光区，这里有大部分可见光。
我们所知的许多海洋生物，如海豚、珊瑚和海藻，生活在这一层。
下潜到200米以下，我们进入暮光区，这里没有阳光，因此几乎没有植物。
生活在此的大多数鱼类都是小型滤食性动物，它们在夜间向上游，到上面营养丰富的水域进食。
同样生活在暮光区的还有双眼凸起向上的猎食者，它们能轻易地发现上层水域中的食物。
结果，最有可能被吃掉的鱼已经进化成细长的身体，所以从下面不太容易看见它们。
然而，一旦它们被捕获，猎食者向后弯曲的牙齿让它们无法逃脱。
进化似乎在同等程度上帮助了猎人和猎物!Once past 1,000 metres, we have reached the deep ocean, where there is no light and temperatures drop just above freezing. The pressures are huge and can be more than 100 times the pressure of the Earth’s atmosphere. It is then surprising that many creatures can live in this extreme environment. They cannot rely solely on their eyesight to survive and have evolved fascinating characteristics. Indeed, many organisms in the deep ocean are blind. In order to obtain food and avoid being caught, they have to depend on other senses such as smell and their ability to detect slight changes in water pressure. Also, some fish have both male and female organs to increase the chances of reproduction, as fish are so scarce at these depths that it can be difficult for them to find a mate. The fish in the deep ocean are among the strangestcreatures on the Earth, many of which have yet to be properly studied.一旦超过1000米，我们就到达了深海区，这里没有光，温度降至略高于冰点。
压力巨大，可能是地球大气压力的100多倍。
令人惊奇的是，许多生物可以生活在这种极端的环境中。
它们仅仅依靠视觉无法生存，因而进化出神奇的生存特征。
事实上，深海中的许多生物都是看不见的。
为了获取食物和躲避被捕食，它们不得不依靠其他感官，如嗅觉，和感知水压微小变化的能力。
此外，一些鱼类同时拥有雄性和雌性器官，以增加繁殖的可能性，因为在这样的深度，鱼如此稀少，以至于找配偶对它们来说很难。
深海鱼类是地球上最奇怪的生物之一，其中许多还尚未被充分研究。
On reaching the ocean floor, we may see shrimps and other organisms around hydrothermal vents. These vents form in volcanically active areas, pouring mineral-rich fluids into the sea. Before the discovery of these creatures, it was thought that all life on the Earth obtained its energy from the sun. However, this discovery has revealed that life forms can obtain nutrients and energy from thermal sources. Knowing that life35 can exist in these extreme conditions has changed scientific opinion about the chances of there being life elsewhere in the universe. In addition to the vents and remarkable organisms, we cannot miss the Mariana Trench, located in the north-western part of the Pacific Ocean. Its deepest point, known as the Challenger Deep, is nearly 11 ,000 metres below sea level. You could place Mount Qomolangma in the Challenger Deep, and its top would still be more than 2,000 metres below the surface! While there is little life at such great depths, it is far from boring. Of the many strange geological formations to be found here are rock bridges which cross the Trench, some reaching a height of 2,500metres above the Challenger Deep.一到达海底，我们就可能在热液喷口周围看到虾和其他生物。
这些喷口形成于火山活动频繁的区域，喷涌出富含矿物质的流体进入海洋。
在发现这些生物之前，人们认为地球上的所有生命都是从太阳获得能量的。
