Listening 2026-03 Test 5

==================== IELTS Listening Transcript ==================== PART 1 Speaker 0: You will hear a number of different recordings, and you will have to answer questions on what you hear. There will be time for you to read the instructions and questions, and you will have a chance to check your work. All the recordings will be played once only. The test is in four parts. Write all your answers in the listening question booklet. At the end of the test, you will be given ten minutes to transfer your answers to an answer sheet. Now turn to part one on page two of your question booklet. Part one. You will hear a telephone conversation between a man who wants to join an amateur dramatic society and the society secretary. First, you have some time to look at questions one to five. Now listen carefully and answer questions one to five. Speaker 1: Hello. How can I help you? Speaker 2: Hi. I've just moved to the area and saw an advertisement for your drama society, so I'm calling to find out some more details. Speaker 1: Sure. I'm the society secretary. My name's Jane Caulfield. Speaker 2: Thanks. Can you tell me exactly where the society is based? Speaker 1: Well, the address for the society is my address, which is 117 Green Road, like the color, and that's in Prestwin. But that's just the mailing address. It's not where we actually rehearse. We do that at the clubhouse in Wynn. It's behind the playing fields. It used to be a cricket club, you see. Speaker 2: Oh, right. Speaker 1: So is this a new interest, or do you have some acting experience? It doesn't matter if you haven't, you know. Experience isn't a requirement. Speaker 2: Well, that's good because I haven't got any. But I am musical, and I've got some experience of song festivals. Speaker 1: Oh, that's great. We're always looking for actors and singers, of course, especially male ones. Oh, by the way, do you have a car? Speaker 2: Yes. Why? Speaker 1: It's a big help if you're able to drive. Not all our members have access to transport, so it's very helpful. Speaker 2: I see. Well, I'm sure I can help out there. So when do you actually meet? Speaker 1: On Tuesday from six till 8 PM. Speaker 2: Sorry. You said Tuesday, not Thursday? Speaker 1: Yes. Speaker 2: Good. Thursdays are a problem for me. I do some private tutoring and can't move that. Speaker 1: Right. Speaker 2: And that's all year. No breaks. Speaker 1: Good point. We do close for a couple of weeks, you know, in August, so we don't get together then. Speaker 0: Before you hear the rest of the conversation, you have some time to look at questions six to 10. Now listen and answer questions six to 10. Speaker 2: And is there a joining fee? Speaker 1: To be a member costs just £40. Speaker 2: A year? Speaker 1: Yes. And that covers our annual dinner. Speaker 2: Right. Speaker 1: But there's a rate for concessions, which are for people 60 and the unemployed. Speaker 2: I've just retired, so that's good news. What's the discount? Speaker 1: It was 10%, but now it's more. You pay just £25, which is a reduction of £15. Speaker 2: Every little helps after all, especially with a teenage son. Actually, I wanted to ask if there's an age limit. Could Jack come along too? He's 15. Speaker 1: Actually, we have a special youth group, and that's open to anyone up to and including 16 years old. So he could join that. Speaker 2: Great. Keep him out of trouble. And what about the shows you put on? You said you were very busy. Do you have plays, etcetera, every year, or how does it work? Speaker 1: Well, we put on at least two productions a year. Occasionally, we might do Shakespeare, but normally, we choose works by modern playwrights. Speaker 2: Sounds quite varied and challenging. And you rehearse for the two productions when you meet up? Speaker 1: Certainly. But that's not all we do. We also write our own family show each winter for the December holidays, which is always a lot of fun and is actually very popular in the local community. We donate the money we make to the children's hospital here. Speaker 2: Well, oh, that sounds very nice. I've been involved in charity work. Speaker 0: That is the end of part one. You now have one minute to check your answers to part one. PART 2 Speaker 3: Section two. You will hear a guide talking to a group of visitors in a garden. First, you'll have some time to look at questions 11 to 14. Now listen carefully and answer questions 11 to 14. Speaker 4: Hello. Welcome to Pine Garden. My name is Manuel, and I'd like to tell you a few things about our establishment before you all wander off and begin your exploration of the grounds. I know you're keen to begin, so I'll try to keep this short. First of all, I'd like to explain what you can do with your ticket. If you want to be closer to nature, you could visit our planting area. In that area, visitors can plant small flowers and bulbs that will grow and become part of the garden. The planting activity is completely free. However, if you have sensitive hands, you'll need to purchase garden gloves to protect your skin. Here at Pine Garden, we sell a number of wooden goods carved from trees that have been felled in our very own pine forest. If you feel like getting involved and having a go yourself, you can join one of our bush timbering lessons free of charge, where you'll be able to make your own keyring under the supervision of a skilled craftsman. The most popular attraction in the garden is our aviary, where you can observe a whole range of bird species. Entry to this section is free, but you have to pay a small supplement in order to enter the hummingbird section. Also, the insect hut not far from it may arouse your interest. There you can find some interesting insects such as butterflies, pocket ladybugs, dragonflies, and so on, and there's no extra charge for that. Unfortunately, there are some areas that are temporarily off limits to visitors today, for example, the gift shop that closed earlier this year and won't be open for another month or so. As I mentioned before, however, you're free to visit our restaurant for food and snacks. And if you're looking to purchase a gift, why not buy that special someone a potted bush or orchid from our plant care center? And our new Treetop Cafe is under construction, which will be very impressive when it's finished. In fact, the Moral Town's already opened ahead of schedule, and it's attracting a lot of people. Now, our tourist office is normally available to provide tourists with a variety of help. However, the officer is sick at home today. Please do not let this discourage you from visiting these as they provide quite an experience. Speaker 3: Before you hear the rest of the talk, you'll have some time to look at questions 15 to 20. Now listen and answer questions 15 to 20. Speaker 4: I also would like to introduce you to our plant specialists who are responsible for the wonderful plant displays here at Pine Garden. And Missus Mary is one of our experts, and she is personally responsible for our beautiful display of plants that are all found growing naturally in the local area. Mr Burson has the difficult task of growing varieties of plants that are suited to much drier and hotter climates than ours, which means we do not have to store water on-site. If you visit the glass house, you'll be able to see many plants that he has managed to cultivate without the need for rain or irrigation. Mister Smith is responsible for the produce that you can eat in our restaurant, which ranges from varieties that grow under the ground to those that grow on trees and bushes. Now, Mister Nooni here is our expert on the most commonly growing plant in the world, grass. You may have noticed how beautifully green and lush our grounds are, thanks to his specialist knowledge. Mr Scanlon ensures that our soil is full of nutrients, so that the natural habitat is supported and encouraged. He does this by fertilizing the earth with a special formula of his own creation. Finally, I would like to introduce you all to Doctor Mandelson. He is the manager of our landscaping team and works closely with our other experts to ensure that everyone works together to create a landscape that is both beautiful and sustainable. Well, that just about rounds it up. Now if anyone has any questions... Speaker 3: That is the end of section two. You now have half a minute to check your answers. PART 3 Speaker 0: Part three. You will hear two teachers called Andrew and Sarah discussing how to prepare students for a geology field trip. First, you have some time to look at questions 21 to 25. Now listen carefully and answer questions 21 to 25. Speaker 6: Hi, Sarah. It's great that we've got some free time this afternoon to decide what advice to give when we talk to the students on the geology field trip to Iceland. Speaker 5: Hi, Andrew. Yes. I've already jotted down a few ideas about the issues that come up on these trips. Speaker 6: We should include something about existing rules and laws that apply, like the country code. Or the mountain code? Speaker 5: Yes. The country code's mainly just common sense. So let's include the mountain one. That's what they need to know about for geology. Speaker 6: Then there are similar guidelines for caving, but they won't need those in the part of Iceland we're going to. Speaker 5: Okay. Speaker 6: Right. Let's think about when they're on-site and looking after the environment. I don't mean not dropping litter, that's obvious, or like closing gates. But what about not scaring birds or damaging rare plant life? Actually, what I think happens is that they all become so focused on what they're doing that they forget about other things around them. It's not intentional damage. Speaker 5: And we have to include something about collecting samples. Speaker 6: That's vital for geology students. Speaker 5: Yeah. There's quite a list of rules about that. For example, only take minute samples and only if necessary. Speaker 6: Yes. That's the golden rule. That has to come first, and then, I guess, never take a fossil away from the area. And when you do disturb an area to take a sample, make sure you leave it as you found it. Speaker 5: Okay. Speaker 6: And there's something we still have to find out about. Isn't there something about how you can never take a sample from a wall? Speaker 5: You mean a man-made wall or something like a natural rock face? Speaker 6: A wall, like of a building. Speaker 5: Don't you just have to get permission from the owner? But I'm not sure, to be honest, so we need to check that. Another really important thing is advice on safety, especially as a lot of our trips are along the coast. Speaker 6: Yes. Well, you can usually hear if any large boulders start to tumble down a cliff. And you realize you're on soft sand when you start sinking. But when people are working on the seashore, they often fail to notice that the tides come in, and they're cut off by water. That's what we should make a point about. Speaker 5: Okay. Speaker 0: Before you hear the rest of the discussion, you have some time to look at questions 26 to 30. Now listen and answer questions 26 to 30. Speaker 5: Before we do anything else, could we just talk about the reading packs we put together for the students to read before they go on the field trip to Iceland? Speaker 6: Absolutely. They'll need to do most of the reading beforehand because there won't be time while we're away, and there's a lot of technical data. That's certainly the case in the pack called Geothermal Fields. Does that cover industrial uses of geothermal energy? Speaker 5: No. It deals with harnessing the heat generated from the earth in geothermal areas to grow vegetables for local consumption. They'll need to understand the geological characteristics that make this possible. Speaker 6: Right. Speaker 5: The reading pack called The Hot Spot will help them understand how Iceland differs from other islands formed at the same time, like Bermuda and the Canary Islands. It's the existence of the hot spot that explains the rock formations of this island, and makes it unlike any of the others. Speaker 6: Now I definitely think they should read the pack about glaciers. They need to be aware that although the ice in glaciers up in the mountains can stay frozen for thousands of years, if anything happens to make the glaciers melt suddenly, the water produced pours down the valleys, and it can mean that whole villages suddenly have to be evacuated. Speaker 5: Right. Then the Basalt Rock pack shows how Iceland's landscape, like many other islands, has been moulded over millions of years by lava flows from volcanic eruptions, especially the area in the Northwest of the island. Speaker 6: And lastly, reading about Geothermal Power Plants will inform them of Iceland's plan to stop using energy derived from carbon in the future. Heating and electricity will come from sustainable sources, which won't cause any pollution. Speaker 5: I think that'll be all the reading they'll have time for. Speaker 0: That is the end of part three. You now have thirty seconds to check your answers to part three. PART 4 Speaker 7: Section four. You will hear part of a presentation on recent crocodile research in Australia. First, you have some time to look at questions 31 to 40. Now listen carefully and answer questions 31 to 40. Speaker 8: Hello, everybody. I've just arrived back from my field trip, and Professor Martin has asked me to tell you about it today in our research forum. As many of you know already, my dissertation relates to crocodile behavior. My specialty is the saltwater crocodile, which is much larger than the freshwater crocodile. I've just come back from the Northern Territory where I've been part of a groundbreaking study observing crocodile movements. It's not the only time crocodile movements have been followed, but this study is unique because we tracked crocodiles using a satellite. Up until now, studies like this one have only been able to track crocodile movements using radio. Not only was this method more stressful for the animal, which had to be caught several times, but it was also not very reliable as the signal was often lost. So you might be wondering why we chose to track crocodiles. Well, crocodile attacks on people and livestock are rare. But when they do happen, the government believes that the problem crocodile should be relocated rather than killed. But can we be sure that the crocodile won't simply return to the place where it came from? So, we designed a study to try to answer these questions. We wanted to establish, firstly, how far crocodiles can travel over a period of time. The second thing that we wanted to know was how easy is it for crocodiles to navigate. Could they find their own way home again if they were moved to another location? Of course, the biggest challenge when observing crocodiles is that they are very secretive animals. They stay well away from people if they can, which makes them really difficult to follow. I'll give you some information about the design of the study now. There were three crocodiles in our study, all from the Northern Territory and measuring between three and four and a half meters in length. The crocodiles were captured, measured and tagged, and then taken by helicopter to new locations up to 400 kilometers away from where they were found. We were then able to use the tracking data to monitor their movements. We used a specially designed transmitter which we attached to each animal's head. The transmitter collected the data and relayed it back to us. The results of our study were quite astounding. After they were released, each crocodile remained in the release site for some weeks, making random movements around the site each day. But then, they each swam home, traveling by the most direct route. These crocodiles showed remarkable navigational skills and stamina to swim such long voyages. So what conclusions did we draw from this? Well, we proved that crocodiles are clearly capable of making marathon swims to find their way home. This meant that the current policy should be reconsidered. You might be wondering how the crocodiles managed to get home. We concluded that they used factors such as sight and smell, as well as their position to the sun to point their way. It's a little known fact that crocodiles are more closely related to birds than they are to any other reptile, so we believe it's possible that they use the same system to negotiate long journeys. Now that the study has been completed... Speaker 7: That is the end of section four. You now have half a minute to check your answers. ==================== Chinese Translation ==================== 第一部分 Speaker 0：你将听到几段不同的录音，并需要根据听到的内容回答问题。你会有时间阅读指令和问题，也有机会检查你的答案。所有录音只播放一次。考试共分四个部分。请将所有答案写在听力问题册上。考试结束后，你将有十分钟时间将答案誊写到答题纸上。现在翻到问题册第二页的第一部分。第一部分。你将听到一个电话对话，内容是一名想加入业余戏剧协会的男子与协会秘书之间的交谈。首先，你有时间看一下第一至第五题。现在请仔细听，并回答第一至第五题。 Speaker 1：你好。有什么可以帮你的吗？ Speaker 2：嗨。我刚搬到这个地区，看到了你们戏剧协会的广告，所以打电话来了解更多细节。 Speaker 1：当然。我是协会秘书。我叫简·考尔菲尔德。 Speaker 2：谢谢。你能告诉我协会的具体地址吗？ Speaker 1：嗯，协会的地址就是我的地址，格林路117号，就是颜色的那个格林，在普雷斯温。但那只是邮寄地址，不是我们实际排练的地方。我们在温恩的俱乐部会所排练，就在运动场后面。那里以前是个板球俱乐部。 Speaker 2：哦，好的。 Speaker 1：那么，这是你新产生的兴趣，还是你有过一些表演经验？没有也没关系，你知道的。经验不是必需的。 Speaker 2：嗯，那很好，因为我没有任何经验。但我有音乐天赋，而且参加过一些歌曲节。 Speaker 1：哦，那太好了。我们当然一直在寻找演员和歌手，尤其是男性。哦，顺便问一下，你有车吗？ Speaker 2：有。怎么了？ Speaker 1：如果你能开车，那会帮很大忙。我们不是所有成员都有交通工具，所以这很有帮助。 Speaker 2：我明白了。嗯，我肯定能在这方面帮忙。那么你们实际上什么时候见面？ Speaker 1：星期二，从下午六点到晚上八点。 Speaker 2：抱歉。你说的是星期二，不是星期四？ Speaker 1：是的。 Speaker 2：很好。星期四对我来说有问题。我要做家教，没法调整时间。 Speaker 1：好的。 Speaker 2：而且全年都这样，没有休息。 Speaker 1：说得好。我们确实会休息几周，你知道，在八月份，所以那段时间我们不聚会。 Speaker 0：在听到对话的其余部分之前，你有时间看一下第六至第十题。现在请听并回答第六至第十题。 Speaker 2：有入会费吗？ Speaker 1：成为会员只需40英镑。 Speaker 2：一年？ Speaker 1：是的。而且这包括了我们的年度晚宴。 Speaker 2：好的。 Speaker 1：但还有优惠费率，适用于60岁以上的人和失业者。 Speaker 2：我刚退休，所以这是个好消息。折扣是多少？ Speaker 1：以前是10%，但现在更多了。你只需付25英镑，也就是便宜了15英镑。 Speaker 2：毕竟，积少成多，尤其是我还有个十几岁的儿子。实际上，我想问一下有没有年龄限制。杰克也能来吗？他15岁。 Speaker 1：实际上，我们有一个特别的青年组，面向16岁及以下的人开放。所以他可以加入那个组。 Speaker 2：太好了。让他别惹麻烦。那你们上演的节目呢？你说你们很忙。你们每年都有戏剧之类的吗？还是怎么运作的？ Speaker 1：嗯，我们每年至少上演两部作品。偶尔，我们可能会演莎士比亚，但通常我们选择现代剧作家的作品。 Speaker 2：听起来很多样化，也很有挑战性。你们见面时就是为这两部作品排练吗？ Speaker 1：当然。但这并不是我们做的全部。我们每年冬天还会为十二月假期创作自己的家庭节目，这总是很有趣，而且在当地社区很受欢迎。我们把赚到的钱捐给这里的儿童医院。 Speaker 2：嗯，哦，听起来很不错。我以前也参与过慈善工作。 Speaker 0：第一部分到此结束。你现在有一分钟时间检查第一部分的答案。 第二部分 Speaker 3：第二部分。你将听到一位导游在花园里向一群游客讲解。首先，你有时间看一下第11至第14题。现在请仔细听，并回答第11至第14题。 Speaker 4：大家好。欢迎来到松树花园。我叫曼努埃尔，在你们各自去探索园区之前，我想先介绍一下我们这里的几件事。我知道你们很想开始，所以我会尽量简短。首先，我想解释一下你们可以用门票做什么。如果你想更亲近自然，可以参观我们的种植区。在那个区域，游客可以种植小花和球茎，它们会生长并成为花园的一部分。种植活动是完全免费的。但是，如果你的手比较敏感，你需要购买园艺手套来保护皮肤。在松树花园，我们出售许多用我们自己松树林中砍伐的树木雕刻而成的木制品。如果你想亲自动手尝试一下，可以免费参加我们的丛林木工课，在那里你可以在熟练工匠的指导下制作自己的钥匙扣。花园里最受欢迎的景点是我们的鸟舍，在那里你可以观察到各种各样的鸟类。进入这个区域是免费的，但你需要支付少量附加费才能进入蜂鸟区。此外，离它不远的昆虫小屋可能会引起你的兴趣。在那里你可以找到一些有趣的昆虫，比如蝴蝶、瓢虫、蜻蜓等等，而且不需要额外收费。不幸的是，今天有些区域暂时不对游客开放，例如，今年早些时候关闭的礼品店，还要大约一个月才能重新开放。不过，正如我之前提到的，你们可以自由前往我们的餐厅享用食物和小吃。如果你想买礼物，为什么不从我们的植物护理中心给特别的人买一盆灌木或兰花呢？我们新的树顶咖啡馆正在建设中，建成后会非常壮观。事实上，莫拉尔镇已经提前开放了，吸引了很多游客。现在，我们的游客咨询处通常可以为游客提供各种帮助。但是，工作人员今天生病在家。请不要因此气馁，不去参观这些地方，因为它们会给你带来相当不错的体验。 Speaker 3：在听到演讲的其余部分之前，你有时间看一下第15至第20题。现在请听并回答第15至第20题。 Speaker 4：我还想向你们介绍我们的植物专家，他们负责松树花园里这些美妙的植物展示。玛丽女士是我们的专家之一，她个人负责我们美丽的本地植物展示区，这些植物都是在当地自然生长的。伯森先生的任务很艰巨，他负责种植适应比我们这里更干燥、更炎热气候的植物品种，这意味着我们不需要在现场储存水。如果你参观温室，你会看到许多他成功培育的植物，这些植物不需要雨水或灌溉。史密斯先生负责我们餐厅里可以食用的农产品，从地下生长的品种到树上和灌木上生长的品种都有。现在，努尼先生是我们研究世界上最常见植物——草的专家。你可能已经注意到我们的草坪是多么翠绿茂盛，这要归功于他的专业知识。斯坎伦先生确保我们的土壤富含养分，从而支持和促进自然栖息地。他通过使用自己配制的特殊肥料来施肥。最后，我想向大家介绍曼德尔森博士。他是我们景观团队的管理者，与其他专家密切合作，确保大家共同努力，创造出既美丽又可持续的景观。好了，差不多就这些了。现在，如果有人有任何问题…… Speaker 3：第二部分到此结束。你现在有半分钟时间检查答案。 第三部分 Speaker 0：第三部分。你将听到两位老师，安德鲁和莎拉，讨论如何为学生的一次地质实地考察做准备。首先，你有时间看一下第21至第25题。现在请仔细听，并回答第21至第25题。 Speaker 6：嗨，莎拉。太好了，今天下午我们有点空闲时间，可以决定在跟学生们谈冰岛地质实地考察时给他们什么建议。 Speaker 5：嗨，安德鲁。是的。我已经记下了一些关于这些考察中可能出现的问题的想法。 Speaker 6：我们应该包括一些关于适用的现有规则和法律的内容，比如乡村守则。还是山地守则？ Speaker 5：是的。乡村守则基本上只是常识。所以我们还是包括山地守则吧。那是他们在地质学方面需要了解的。 Speaker 6：还有类似的洞穴探险指南，但他们在我们要去的冰岛那个区域用不上。 Speaker 5：好的。 Speaker 6：好。我们来想想他们在现场时如何保护环境。我不是说不乱扔垃圾，那是显而易见的，或者像关好门。但是，比如不要惊吓鸟类或破坏稀有植物呢？实际上，我认为发生的情况是，他们都太专注于自己正在做的事情，以至于忘记了周围的其他事物。这不是故意的破坏。 Speaker 5：我们还得包括一些关于采集样本的内容。 Speaker 6：这对地质学学生来说至关重要。 Speaker 5：是的。关于这个有一长串规则。例如，只采集微小的样本，而且只在必要时才采集。 Speaker 6：是的。这是黄金法则。必须放在第一位，然后，我想，永远不要从该区域带走化石。当你确实为了采集样本而扰动一个区域时，一定要确保恢复原状。 Speaker 5：好的。 Speaker 6：还有一件事我们还需要弄清楚。是不是有一条关于永远不能从墙上采集样本的规定？ Speaker 5：你是指人造墙还是像天然岩壁那样的东西？ Speaker 6：墙，比如建筑物的墙。 Speaker 5：难道不是只需要得到主人的许可就行了吗？但老实说，我不太确定，所以我们需要核实一下。另一件非常重要的事情是关于安全的建议，尤其是我们的很多考察都是沿着海岸进行的。 Speaker 6：是的。嗯，如果有大块岩石开始从悬崖上滚落，你通常能听到声音。当你开始下陷时，你会意识到自己站在软沙上。但是当人们在海岸边工作时，他们常常没有注意到潮水上涨，然后被水困住。这才是我们应该强调的一点。 Speaker 5：好的。 Speaker 0：在听到讨论的其余部分之前，你有时间看一下第26至第30题。现在请听并回答第26至第30题。 Speaker 5：在我们做其他事情之前，我们能先谈谈我们为学生准备的阅读资料包吗？这些资料是让他们在去冰岛实地考察之前阅读的。 Speaker 6：当然。他们需要提前完成大部分阅读，因为我们在外面的时候没有时间，而且有很多技术数据。地热田这个资料包肯定就是这样。它涵盖了地热能的工业用途吗？ Speaker 5：不。它讲的是利用地热区从地球内部产生的热量来种植蔬菜供当地消费。他们需要了解使这成为可能的地质特征。 Speaker 6：好的。 Speaker 5：热点这个阅读包将帮助他们理解冰岛如何与同时期形成的其他岛屿（如百慕大和加那利群岛）不同。正是热点的存在解释了这座岛屿的岩石构造，使其与其他岛屿截然不同。 Speaker 6：现在我绝对认为他们应该阅读关于冰川的资料包。他们需要意识到，尽管山区冰川中的冰可以冻结数千年，但如果发生任何导致冰川突然融化的事情，产生的水会倾泻而下流入山谷，这可能意味着整个村庄突然需要疏散。 Speaker 5：好的。那么玄武岩资料包展示了冰岛的地貌如何像许多其他岛屿一样，在数百万年间被火山喷发的熔岩流塑造，尤其是在该岛的西北部地区。 Speaker 6：最后，阅读关于地热发电厂的内容将让他们了解冰岛未来停止使用碳基能源的计划。供暖和电力将来自可持续的、不会造成任何污染的能源。 Speaker 5：我想这就是他们有时间阅读的全部内容了。 Speaker 0：第三部分到此结束。你现在有三十秒时间检查第三部分的答案。 第四部分 Speaker 7：第四部分。你将听到关于澳大利亚近期鳄鱼研究的演讲节选。首先，你有时间看一下第31至第40题。现在请仔细听，并回答第31至第40题。 Speaker 8：大家好。我刚从实地考察回来，马丁教授让我今天在我们的研究论坛上向大家介绍一下。你们很多人已经知道，我的论文与鳄鱼行为有关。我的专长是咸水鳄，它比淡水鳄大得多。我刚从北领地回来，在那里参与了一项开创性的研究，观察鳄鱼的活动。这并不是第一次追踪鳄鱼的活动，但这项研究的独特之处在于我们使用卫星追踪鳄鱼。在此之前，类似的研究只能使用无线电追踪鳄鱼的活动。这种方法不仅给动物带来更大压力（需要多次捕捉），而且也不太可靠，因为信号经常丢失。所以你们可能想知道我们为什么选择追踪鳄鱼。嗯，鳄鱼袭击人和牲畜的事件很少见。但当袭击发生时，政府认为应该将问题鳄鱼迁移，而不是杀死。但我们能确定鳄鱼不会简单地返回它原来的地方吗？因此，我们设计了一项研究来尝试回答这些问题。我们首先想确定鳄鱼在一段时间内能游多远。我们想知道的第二件事是鳄鱼的导航能力如何。如果它们被转移到另一个地方，它们还能自己找到回家的路吗？当然，观察鳄鱼时最大的挑战是它们是非常隐秘的动物。它们会尽量远离人类，这使得它们很难被追踪。我现在给你们介绍一下这项研究的设计。我们的研究中有三只鳄鱼，都来自北领地，体长在三米到四米半之间。这些鳄鱼被捕获、测量并标记，然后用直升机运到距离它们被发现地点最远400公里的新位置。然后我们利用追踪数据来监测它们的活动。我们使用了一个专门设计的发射器，固定在每只动物的头部。发射器收集数据并将其传回给我们。我们的研究结果相当惊人。被释放后，每只鳄鱼都在释放地点停留了几周，每天在周围随机活动。但随后，它们都游回了家，走的是最直接的路线。这些鳄鱼展现了非凡的导航能力和耐力，能够游这么长的距离。那么我们从这得出了什么结论呢？嗯，我们证明了鳄鱼显然有能力进行马拉松式的游泳来找到回家的路。这意味着当前的政策应该重新考虑。你们可能想知道鳄鱼是如何找到回家的路的。我们得出结论，它们利用了视觉和嗅觉等因素，以及它们相对于太阳的位置来指引方向。一个鲜为人知的事实是，鳄鱼与鸟类的关系比与其他任何爬行动物都更密切，所以我们认为它们有可能使用相同的系统来完成长途旅行。现在这项研究已经完成…… Speaker 7：第四部分到此结束。你现在有半分钟时间检查答案。