VIOLIN Virtual Internetworking on Overlay Infrastructure

新人教版B2U3 THE INTERNET Section1 Listening and Speaking1.search engine搜索引擎2.do a survey做一个调查3.pay attention to注意4.too...to太…而不能5.stream videos流式视频6.look up information查找信息7.chat with sb与某人聊天8.content words实词9.function words虚词Section2 Reading and Thinking10.start an online company创办在线公司11.catch the attention of引起注意12.make our lives more convenient让我们的生活更方便13.the most updated information最新信息14.social networks社交网络15.develop a serious illness患重病16.out of work失业17.stick at home呆在家里18.explore the world探索世界19.get support and advice获得支持和建议20.remove the distance消除距离21.be inspired by受到启发22.start an IT club/a small online company/a charity website创办一家IT俱乐部/一家小型在线公司/一家慈善网站23.pay for支付24.apply for申请25.take care of照顾好26.together with连同27.it is highly important to非常重要的是28.bridge the digital divide弥合数字鸿沟29.have access to有权，能使用30.raise money筹集资金31.go through经历32.tough times艰难时期33.inspire sb to do sth激励某人做某事34.at high speeds高速行驶Section3 Discovering Useful Structures35.make a comment about sth对某事发表评论Section4 Listening and Talking36.get in shape保持身材37.keep track of跟踪38.make a fitness plan制定健身计划39.help sb get discounts帮助某人打折40.bank account银行账户141.get thinner变瘦42.keep sb updated on sth使某人了解某事的最新情况43.get a message留言Section5 Reading for Writing44.the golden rule黄金法则45.post comments发表评论46.click on点击47.identity theft身份盗窃48.no excuse for doing sth做某事没有借口49.a target for一个目标50.stir up搅动51.be mean to sb对某人刻薄52.mean comments中庸的评论53.make trouble制造麻烦54.have a very bad experience经历很糟糕55.be made fun of被取笑56.provide for准备57.be familiar with熟悉58.keep in mind记住Section5 Assessing Your Progress/project/video 59.environmental issues环境问题60.clean up.清理61.take over接管62.build up relationship建立关系63.be concerned about关心64.a lack of sleep睡眠不足65.turn off social media关掉社交媒体66.have an impact on影响2新人教版B2U3 THE INTERNETSection1 Listening and Speaking67.______________________搜索引擎68.______________________做一个调查69.______________________注意70.______________________太…而不能71.______________________流式视频72.______________________查找信息73.______________________与某人聊天74.______________________实词75.______________________虚词Section2 Reading and Thinking76.______________________创办在线公司77.______________________引起注意78.______________________让我们的生活更方便79.______________________最新信息80.______________________社交网络81.______________________患重病82.______________________失业83.______________________呆在家里84.______________________探索世界85._____________________获得支持和建议86.______________________消除距离87.______________________受到启发88.___________________________________________ 创办一家IT俱乐部/一家小型在线公司/一家慈善网站89.______________________支付90.______________________申请91.______________________照顾好92.______________________连同93.______________________非常重要的是94.______________________弥合数字鸿沟95.______________________有权，能使用96.______________________筹集资金97.______________________经历98.______________________艰难时期99.______________________激励某人做某事100.______________________高速行驶Section3 Discovering Useful Structures3101.______________________对某事发表评论Section4 Listening and Talking102.______________________保持身材103.______________________跟踪104.______________________制定健身计划105.______________________帮助某人打折106.______________________银行账户107.______________________变瘦108.______________________使某人了解某事的最新情况109.______________________留言Section5 Reading for Writing110.______________________黄金法则111.______________________发表评论112.______________________点击113.______________________身份盗窃114.______________________做某事没有借口115.______________________一个目标116.______________________搅动117.______________________对某人刻薄118.______________________中庸的评论119.______________________制造麻烦120.______________________经历很糟糕121.______________________被取笑122.______________________准备123.______________________熟悉124.______________________记住Section5 Assessing Your Progress/project/video 125.______________________环境问题126.______________________清理127.______________________接管128.______________________建立关系129.______________________关心130.______________________睡眠不足131.______________________关掉社交媒体______________________影响4。

互联网对音乐的影响英语作文Answer in English.The internet has had a profound impact on the music industry, both positive and negative. On the one hand, the internet has made it easier for musicians to share their music with a global audience, and for fans to discover new artists. On the other hand, the internet has also led to a decline in music sales, as fans are increasingly able to listen to music for free online.One of the most significant ways that the internet has impacted the music industry is by making it easier for musicians to share their music with a global audience. In the past, musicians had to rely on record labels to get their music heard by the public. This meant that only a small number of artists were able to achieve success. However, with the advent of the internet, musicians can now upload their music to streaming services like Spotify and SoundCloud, and reach a global audience without the needfor a record label.The internet has also made it easier for fans to discover new artists. In the past, fans were limited to listening to the music that was played on the radio or in record stores. However, with the internet, fans can now explore a vast library of music from all over the world. This has led to a greater diversity of music beingavailable to fans, and has helped to create a more vibrant and exciting music scene.However, the internet has also had a negative impact on the music industry. One of the most significant problems is that the internet has led to a decline in music sales. In the past, fans had to purchase albums or singles in order to listen to music. However, with the advent of streaming services, fans can now listen to music for free online. This has led to a decline in sales of physical music products, which has hurt the revenue streams of musicians and record labels.Another problem with the internet is that it has madeit easier for people to pirate music. Piracy is the unauthorized copying and distribution of copyrighted material. This is a major problem for the music industry,as it deprives musicians of their rightful income. In addition, piracy can damage the reputation of musicians, as it can lead to the spread of low-quality recordings.Despite the challenges that the internet has posed tothe music industry, it is clear that the internet has also had a positive impact. The internet has made it easier for musicians to share their music with a global audience, and for fans to discover new artists. As the internet continues to evolve, it is likely that we will see even more changesin the way that music is created, distributed, and consumed.Answer in Chinese.互联网对音乐产业产生了深远的影响，既有正面也有负面。

高二英语互联网词汇综合单选题40题1. When you want to share your daily life with others, you can use a ____.A. websiteB. blogC. appD. browser答案：B。

解析：blog（ 博客）主要是用于个人分享日常生活、观点等内容的平台。

website（网站）概念比较宽泛，它可以包含各种功能和内容，不一定专门用于分享个人日常生活。

app（ 应用程序）是一个比较广泛的概念，虽然有些app可以用于分享生活，但不如blog专门针对这种功能。

browser（ 浏览器）是用来浏览网页等内容的工具，不能直接用于分享生活。

2. You need to download a(n) ____ to your mobile phone if you want to play games on it.A. websiteB. blogC. appD. server答案：C。

解析：app（应用程序）是需要下载到手机上才能使用的软件，游戏软件也是一种app。

website（网站）不能直接下载到手机上进行游戏，它需要通过浏览器访问。

blog（博客）主要是用于分享内容的平台，不是游戏运行的载体。

server（ 服务器）是提供数据等服务的设备，不能下载到手机上玩游戏。

3. If you are looking for some information about travel, which one will you probably visit first?A. A blog written by a travelerB. A game appC. A shopping websiteD. A music website答案：A。

解析：一个旅行者写的博客可能会包含很多旅行相关的信息，比如旅游目的地的体验、攻略等。

game app（游戏应用）主要是关于游戏的，与旅行信息无关。

虚拟乐队英语作文带翻译Title: The Rise of Virtual Bands。

In recent years, the concept of virtual bands has taken the music industry by storm, revolutionizing the way we perceive and consume music. A virtual band is essentially a musical group whose members are fictional characters, often brought to life through animation, CGI, or other digital means. These bands create real music, perform concerts (both virtually and sometimes in the real world), and have amassed a significant fanbase worldwide. In this essay, we will delve into the phenomenon of virtual bands, exploring their origins, impact, and significance in today's music landscape.Originating in the realm of animated television shows and movies, virtual bands first gained mainstream recognition with the advent of bands like Gorillaz and Hatsune Miku. Gorillaz, created by Damon Albarn and Jamie Hewlett, introduced the world to a unique blend ofalternative rock, hip hop, and electronic music, accompanied by animated characters that became iconic symbols of the band. Similarly, Hatsune Miku, a virtualidol developed by Crypton Future Media, captured the imagination of fans with her holographic concerts and infectious vocaloid tunes.The allure of virtual bands lies in their ability to transcend the limitations of traditional musical groups. With virtual band members, creators have unlimited creative freedom to experiment with different personas, visual styles, and musical genres. This freedom allows virtual bands to appeal to a diverse audience, spanning various demographics and cultural backgrounds.Moreover, virtual bands offer a unique multimedia experience that combines music, animation, and storytelling. Through music videos, animated series, and interactiveonline platforms, fans can immerse themselves in thefictional worlds inhabited by their favorite virtual bands. This multimedia approach not only enhances the overall entertainment value but also fosters deeper emotionalconnections between fans and the virtual band members.One of the most significant impacts of virtual bands is their role in reshaping the music industry's landscape. In an era dominated by streaming services and digital platforms, virtual bands have capitalized on online communities and social media to cultivate dedicated fanbases. Through platforms like YouTube, Spotify, and virtual concerts in virtual reality (VR) spaces, virtual bands can reach global audiences without the need for traditional marketing strategies or record label support.Furthermore, virtual bands have challenged conventional notions of celebrity and fame. Unlike traditional bands, where the focus is often on the individual personalities of the members, virtual bands prioritize the collective identity of the group as a whole. This shift in focus highlights the power of collaboration and teamwork in creating compelling musical experiences, transcending the cult of personality that often surrounds traditional celebrities.In addition to their entertainment value, virtual bands have also sparked discussions about the intersection of technology and creativity. As advancements in animation, artificial intelligence, and virtual reality continue to evolve, the possibilities for virtual bands are limitless. From virtual reality concerts to interactive fan experiences, virtual bands are at the forefront of innovation, pushing the boundaries of what is possible in the realm of music and technology.In conclusion, virtual bands represent a dynamic and transformative force within the music industry, redefining the way we experience and engage with music in the digital age. With their unique blend of music, animation, and storytelling, virtual bands have captured the hearts and imaginations of fans around the world, transcendingcultural barriers and inspiring creativity. As technology continues to advance, the influence of virtual bands is poised to grow, shaping the future of music in exciting and unexpected ways.标题，虚拟乐队的崛起。

人教版（2019）高中英语必修第二册Unit3The Internet同步练习2一、阅读理解(共2题；共16分)1．（8分）阅读理解All networks like3G and4G will be things of the past,because5G will be reachable in the near future.So,what's so special about a5G future?First of all,its download speed can be as fast as20GB/s, which is100to200times that of4G.But what's more impressive is5G's low delay rate.Now,4G takes an average of200milliseconds(毫秒)to send and receive information.But5G will get it down to1 millisecond.5G is a great breakthrough.It's going to change the way equipment connects to the Internet,and more importantly,to each other.And self-driving cars may be one of the biggest breakthroughs to come out of5G.Human reaction time is200milliseconds,yet we still have accidents every day.The self-driving car under a5G network could react and communicate its reaction to hundreds of cars around it,all within1 millisecond.It'll play a great role in preventing car accidents and ending traffic jams completely.5G can benefit us in many other ways.Operations could be performed by robots controlled by experts from the other side of the world.Therefore,more lives will be saved in time.Factories can be staffed by robots that can communicate their tasks to each other,and they can do more work efficiently over a5G network.Imagine a group of drones(无人机)flying over a field of crops,using sensors(传感器)on the ground to sort,pick,feed,and water plants all on their own.Then farmers won't have to work so hard anymore.However,5G is not perfect.One major disadvantage has to do with why it's so fast.5G uses the millimeter waves,while4G uses the15to40centimeter-long waves.And shorter waves go fast but not very far.On4G networks,the signal can go10kilometers.But the5G signal can go at most300meters,and it can't even go through walls or rain.So,what does that mean?Having such a short signal distance means we need to build a lot of transmitters(信号发射塔)in the future.（1）（2分）How does the author show us5G's advantages in Paragraph1?A．By giving examples of the uses of5G.B．By making comparisons between4G and5G.C．By explaining the scientific principles of5G.D．By analyzing5G's development from4G.（2）（2分）According to the author,the self-driving cars will________.A．cause more car accidentsB．slow down5G's developmentC．run without being connected to the InternetD．have a much faster reaction speed than humans（3）（2分）What does the underlined part"be staffed by robots"in Paragraph3mean?A．Be built by robots.B．Have robots as workers.C．Offer employees home robots.D．Produce more medical robots.（4）（2分）What does the last paragraph mainly talk about?A．The main weakness of5G networks.B．How to make4G networks more perfect.C．The types of long waves and short waves.D．How to improve the signal of mobile phones.2．（8分）阅读理解The Consumer Technology Association,formerly called The International Consumer Electronics Show,or CES,believes about170,000people will attend the show.About one-third of them are reported to come from countries besides the United States.More than4,000businesses will show products used through the Internet such as gaming,self-driving cars,artificial intelligence（人工智能）and robotics.One of the biggest stars at CES this year is the voice-controlled digital(数字的)assistant.While the technology is not new,many companies will show off the latest digital assistants.Equipment controlled by digital assistants,especially those turned on by voice,were already big sellers in2017.This year,Google,Amazon and Apple are expected to release even more products to keep up with the rising demand.Digital assistants are powered by artificial intelligence and machine learning technology.They are designed to learn users'preferences over time and then“think"and act on their own.Some of the biggest developments in technology have come in the area of home automation(自动化).Amazon Echo,Google Home,Apple's Home Pod and Microsoft's Cortana are a few examples of voice-controlled equipment.All include smart speakers that"talk"to users inside the house and can perform operations.Experts with the Consumer Technology Association say sales of smart speakers are expected to nearly double in2019.The Internet-linked products can play music or find information when asked questions.They can also control equipment such as lighting,cameras,televisions and temperature controllers.Among new "smart"home products to be released at the CES are voice-controlled washing machines,refrigerators, showers and toilets.There is also much new physical fitness and health-related equipment on show.Some are designed to help people create the best personal fitness plans to reach their goals.Wearable health equipment is used to study and measure body conditions,while others help recognize signs of disease.（1）（2分）What will be shown at CES?A．Books about robots.B．International fashion.C．Schools'teaching art.D．Equipment related with the Internet.（2）（2分）Why are Google,Amazon and Apple expected to develop more intelligent products? A．To create music.B．To treat all kinds of diseases.C．To meet the increasing needs.D．To make experiments in space.（3）（2分）How do users communicate with the equipment of home automation?A．By fax.B．By voice.C．By email.D．By body language.（4）（2分）In which part of a newspaper may this text appear?A．Art.B．Health.C．Education.D．Technology.二、任务型阅读(共1题；共5分)3．（5分）任务型阅读The Internet has opened up a whole new online world for us to meet,chat and go where we've never been before.But just as in face to face communication,there are some rules of behavior that should be followed when online.Imagine how you'd feel if you were in the other person's shoes.For anything you're about to send:ask yourself,"Would I say this to the person's face?"if the answer is no,rewrite and reread.If someone in the chat room is rude to you,your instinct(本能)is to fire back in the same manner. But try not to do so.If it was caused by a disagreement with another member,try to fix the situation by politely discussing it.Remember to respect the beliefs and opinions of others in the chat room.Offer advice when asked by newcomers,as they may not be sure what to do or how tocommunicate.When someone makes a mistake,whether it's a stupid question or an unnecessarily long answer,be kind about it.If it's a small mistake,you may not need to say anything.Even if you feel strongly about it,think twice before saying anything.Having good manners yourself doesn't give you license to correct everyone else.At the same time,if you find you are wrong,be sure to correct yourself and apologize to those that you have offended.It is not polite to ask others personal questions such as their age,sex and marital status.Unless you know the person very well,and you are both comfortable with sharing personal information,don't ask such questions.A.It's natural that there are some people who speak rudely or make mistakes online.B.Repeat the process till you feel sure that you'd feel comfortable saying the words to the person's face.C.Everyone was new to the network once.D.The basic rule is simple:treat others in the same way you would want to be treated.E.When you send short messages to a person online,you must say something beautiful to hear.F.You should either ignore the person,or use your chat software to block their messages.G.If you do decide to tell someone about a mistake,point it out politely.三、完形填空(共1题；共20分)4．（20分）完形填空Many people tend to bring electronic products when travelling,including st year I just ruined my summer vacation by bringing along a modern convenience:the iPad.Instead of looking at nature,I（1）my e-mail.Instead of reading great novels,I stuck to reading（2）newspapers each morning.And that was the problem:I was acting（3）I were still in the office.My body was on vacation but my（4）wasn't.So this year I made up my mind to try something（5）:getting away from the Internet.I knew it wouldn't be easy,（6）I'm not good at self-control.But I was（7）.I started by （8）the iPad to my wife.Then,a stroke of luck:The mobile phone（9）at our cabin was worse than in the past.I was trapped in a small circle and（10）to carry out my rgely （11）from e-mail and my favorite newspaper websites,I had little way to（12）the world.I had no（13）but to do what I had planned to do all along:read books.With determination and the strong support of my wife,I succeeded in my vacation struggle（14）the Internet.I finally（15）that it was me,of course,not the iPad,that was the（16）.I knew I had（17）when we passed a Starbucks and my wife asked if I wanted to stop touse the Wi-Fi."Don't need it,"I said.（18）,as we return to work,a test begins:Can I（19）when I'm back at work?I had no intention of（20）my iPad completely.But I hope to resist the temptation(抵抗诱惑)to use it every five minutes.（1）A．received B．selected C．checked D．removed（2）A．online B．informal C．local D．traditional（3）A．so that B．as if C．now that D．even though（4）A．opinion B．identity C．mind D．curiosity（5）A．attractive B．logical C．magical D．different（6）A．since B．unless C．though D．so（7）A．excited B．shocked C．determined D．frightened（8）A．showing B．handing C．sending D．introducing（9）A．quality B．design C．signal D．technology（10）A．concerned B．continued C．inspired D．forced（11）A．taken out B．pulled down C．cut off D．carried away（12）A．rely on B．connect to C．help with D．look at（13）A．method B．goal C．trick D．choice（14）A．against B．for C．on D．to（15）A．expected B．realized C．permitted D．suggested（16）A．puzzle B．sign C．evidence D．problem（17）A．won B．forgotten C．suffered D．recovered（18）A．Somehow B．Anyway C．However D．Therefore（19）A．survive B．change C．escape D．continue（20）A．taking apart B．giving up C．turning to D．caring about四、语法填空(共1题；共10分)5．（10分）语法填空The past thirty years(see)the rapid growth of the pared to the 1980s,there are now many more computers(connect)to the Internet.People hold different views about the future of cyberspace.Some pessimistic experts have a lot of worries,one of is crime in cyberspace.In the future,terrorists may attack the world's computers,thus causing chaos to(we)human beings.Many other people,on other hand,are full of optimism about the future of the Internet."In the future,"says Angela Rossetto of Cyberia magazine,"It is clear that we are going to see a huge development in shopping on the Internet.We will have(entertain)from the Nets and that television will probably(appear)."Some experts say virtual reality,the use of computers with sounds and pictures that make us feel as if we are a real situation,will become a part of future life."(person),I believe we will work in virtual offices,shop in virtual supermarkets,we will even study in virtual school,"says Australian expert Peter Anderson.五、根据提示翻译句子(共8题；共9分)6．（1分）The important problem for nearly two weeks.这个重要问题已经讨论了近两周。

大学英语六级模拟试卷610(题后含答案及解析)题型有：1. Writing 2. Reading Comprehension (Skimming and Scanning) 3. Listening Comprehension 4. Reading Comprehension (Reading in Depth) 5. Cloze 8. TranslationPart I Writing (30 minutes)1．Directions: For this part, you are supposed to write a short essay entitled Internet according to the following outline given below in Chinese. The first sentence of each paragraph has been given to you.1. 因特网越来越普遍地进入到我们的学习、工作和生活当中2．因特网的益处3. 因特网的消极方面Internet Internet has been playing an increasing role in our daily life._________________________. Internet has enabled us to do a lot of things more easily and quickly._________________________. However, if not managed properly, Internet can create many problems too._________________________. All in all, we cannot live without Internet now._________________________.正确答案：Internet Internet has been playing an increasing role in our daily life. It has brought us lots of benefits while making some serious problems. Internet has enabled us to do many things more easily and quickly. We can communicate freely by e-mail with people all over the world. It takes only a few seconds to get a message across with the cost substantially lower than that of regular mail. ICQ provides us with countless chances of making friends despite his or her sex, age, country. Also, an enormous amount of information can be accessible through the Internet. A fantastic new world will be open to us just by clicking the mouse. However, it’not managed properly, Internet can create many problems too. Sometimes we may spend excessive time sorting out the junk mails jammed in the mail box instead of doing something meaningful. Furthermore, as Internet has become so indispensable for personal contact and public services, that once the routine function of the system is disrupted or infected by virus, valuable information may be revealed or lost to the individuals and social institutions. Therefore, the safety of networks has become a growing public concern. All in all, we cannot live without Internet now. There is no limit to things Internet can do. Nevertheless, we should take notice of the problems resulted from Internet and take effective measures to cope with them. Anyway, Internet is changing the whole world.Part II Reading Comprehension (Skimming and Scanning) (15 minutes)Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions attached to the passage. For questions 1-4, mark：Y (for YES) if the statement agrees with the information given in the passage;N (for NO) if the statement contradicts the information given in the passage;NG (for NOT GIVEN)if the information is not given in the passage.Creatures of the Thermal (热量的) Vents The three-person submersible Alvin sank through the cold, dark waters of the Pacific Ocean for more than an hour, finally touching down on the sea floor more than 8,000 feet below the surface. It was December 1993, and the scientists inside the sub had come to thisstretch of the East Pacific Rise, an underwater mountain range about 500 miles southwest of Acapulco, Mexico, to inspect a recently formed hydrothermal vent--a fissure(裂缝) in the ocean bottom that leaks boiling, acidic water. Peering out through the sub’s tiny windows, the visitors were astonished to see thickets of giant tube worms, some four feet tall. The tail ends of the worms were firmly planted on the ocean floor, while red plumes on the other ends swayed like a field of poppies. Alvin had brought researches to the same spot less than two years earlier, when they had seen none of these strange creatures. Previous measurements showed that individual tube worms could increase in length at a rate of 33 inches per year, making them the fastest-growing marine invertebrates. That means tube worms can grow more rapidly than scientists once thought. The giant tube worm is one of the most eye-catching members of a diverse community that forms around hydrothermal vents. Scientists once thought that no living thing could survive the harsh combination of toxic chemicals, high temperatures, high pressures, and total darkness at these vents. But in 1977, researchers diving in Alvin discovered tube worms and other strange organisms thriving at a Vent off the Galapagos Islands. Similar communities have since been found at several hundred hot sots around the world. These creatures are like nothing else on Earth. Vents form where the planet’s crustal plates are slowly spreading apart and magma is welling up from below to form mountain ranges known as mid-ocean ridges. As cracks form at these spreading centers, seawater seeps a mile or two down into the hot rock. Enriched with minerals leached from the rock, the water heats and rises to the ocean floor to form a vent. Vents are usually clustered in fields, underwater versions of Yellowstone’s geyser basins. Individual vent openings typically range from less than a half inch to more than six feet in diameter. Such fields are normally found at a depth of more than a mile. Most have been discovered along the crest of the Mid-Oceanic Ridge, a 46,000-mile-long chain of mountains that wraps around Earth like the seams on a baseball. A few vents have also been found at seamounts, underwater volcanoes that are not located at the intersection of crustal plates. Hydrothermal vents are underwater oases (避风港), providing habitat for many creatures that are not found anywhere else in the ocean. Water pouring out of vents can reach temperatures up to about 400℃; the high pressure keeps the water from boiling. However, the intense heat is limited to a small area. Within less than an inch of the vent opening, the water temperature drops to 2℃, the ambient temperature of deep seawater. Most of the creatures that assemble around vents live at temperatures just above freezing. Thus, chemicals are the key to vent life, not heat. The most prevalent chemical dissolved in vent water is hydrogen sulfide (硫化氢), which smells like rotten eggs. This chemical is produced when seawater reacts with sulfate (硫酸盐) in the rocks below the ocean floor. Vent bacteria use hydrogen sulfide as their energy source instead of sunlight. The bacteria in turn sustain largeorganisms in the vent community. The clams, mussels, tube worms, and other creatures at the vent have a symbiotic relationship (共生关系) with bacteria. The giant tube worms, for example, have no digestive system--no mouth or gut. The worm depends virtually solely on the bacteria for its nutrition and both partners benefit. The brown, spongy tissue filling the inside of a tube worm is packed with bacteria about 285 billion bacteria per ounce of tissue. The plumes at the top of the worm’s body are red because they are filled with blood, which contains hemoglobin that binds hydrogen sulfide and transports it to the bacteria housed inside the worm. In return, the bacteria oxidize the hydrogen sulfide and convert carbon dioxide into carbon compounds that nourish the worm. Tube worms reproduce by spawning (产卵). They release sperm (精子) and eggs, which combine in the water to create a new worm. Biologists don’t know how the infant worm acquires its own bacteria. Perhaps the egg comes with a starter set. Scientists also don’t know how tube worms and other organisms locate new vents for colonization. The vents are small, and they are separated like islands. Most vent organisms have a free-swimming larval stage (幼虫期). But scientists aren’t sure whether the larvae float aimlessly or purposely follow clues such as chemical traces in the water--to find new homes. Studying the life cycle of vent organisms is difficult. Researchers have visited only a fraction of the ocean’s hot spots. They have been able to observe vent life only by shining bright lights on creatures accustomed to in inky darkness, and many samples die quickly when removed from their unique environment. Underwater cameras are helping scientists make less interfering observations, but diving expeditions are still the most useful way to gather information. The 1993 Alvin expedition to the East Pacific Rise was one in a series of dives to the area. The site was first visited in 1989, and scientists observed vent organisms thriving there. But when Alvin returned two years later, its flabbergasted occupants witnessed the birth of a hydrothermal vent. A recent volcanic eruption spread glassy lava across the ocean floor, and the researchers measured temperatures up to 403℃the hottest ever recorded at a hydrothermal vent. The scientists dubbed the site Tube Worm Barbecue, because the worms they brought back to their ship had burned flesh. “The most spectacular sight down there was this massive blinding snowstorm of bacteria,” says Rich Lutz, a marine ecologist at Rutgers University, who led the expedition. On the ocean floor, the bacteria formed mats several inches thick, but he scientists saw no other living things. Since the eruption, scientists have been able to watch several stages of colonization at the site. When they returned in March 1992, only a few bacterial mats remained. In their place were colonies of Jericho worms and a variety of small crustaceans. In December 1993, the scientists first observed the giant tube worms there. The scientists named the area Phoenix, because new life had arisen from the ashes of the eruption.2．No living thing could survive at a vent except tube worms.A．YB．NC．NG正确答案：B解析：参见文中第3段第3句：“But in 1977，researchers diving in Alvin discovered tube worms and other strange organisms thriving at a vent．．．”(除了tube worms还有其他一些奇异的生物体。

第三单元过关检测(B卷)(时间:120分钟满分:150分)第一部分听力(共两节,满分30分)第一节(共5小题;每小题1.5分,满分7.5分)听下面5段对话。

每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项。

听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

1.What does the woman prefer to do?A.Find a quiet place.B.Check in at the hotel.C.Avoid the traffic jam.2.Why can’t the man help the woman?A.Because he will be leaving soon.B.Because he is too busy to do so.C.Because he doesn’t know how to help her.3.What subject does the boy show little interest in?A.Biology.B.Math.C.Physics.4.What is the speakers’ opinion about the film?A.It makes them puzzled.B.It isn’t worth w atching.C.It has a surprising ending.5.Which club is the man in?A.The sports club.B.The performance club.C.The book club.第二节(共15小题;每小题1.5分,满分22.5分)听下面5段对话或独白。

每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项。

听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟;听完后,各小题将给出5秒钟的作答时间。

如果我们更重视虚拟生活的四级作文英文回答：Virtual life has become an integral part of our daily routine. With the rapid development of technology, the virtual world has provided us with countless opportunities and conveniences. However, the excessive emphasis on virtual life has raised concerns about its impact on our real lives.Firstly, virtual life offers us a platform to connect with people from all over the world. Through social media platforms like Facebook and Instagram, we can easily stay in touch with friends and family, even if they are thousands of miles away. This virtual connection allows us to share our thoughts, experiences, and emotions, making our relationships stronger. For example, I have a friend who moved to another country for work, and thanks to virtual life, we are able to maintain our friendship by regularly chatting and sharing updates on social media.In addition to social connections, virtual life also provides various entertainment options. Online gaming, for instance, allows us to immerse ourselves in virtual worlds and experience adventures that would otherwise be impossible. These virtual experiences not only provide us with entertainment but also help us develop problem-solving and critical thinking skills. For instance, I used to play an online game where I had to strategize and work with a team to defeat opponents. This not only gave me a sense of accomplishment but also improved my teamwork skills.However, it is important to strike a balance between virtual life and real life. Excessive reliance on virtual life can have negative consequences. For example, spending too much time on social media can lead to feelings of isolation and loneliness. People may become so engrossed in their virtual lives that they neglect their real-life relationships and miss out on meaningful experiences. I remember a time when I was so addicted to a mobile gamethat I would spend hours playing it, neglecting my responsibilities and relationships. This affected myacademic performance and strained my friendships.中文回答：虚拟生活已经成为我们日常生活中不可或缺的一部分。

The Transformative Role of the Internet inthe Music IndustryThe advent of the internet has revolutionized virtually every aspect of modern life, and the music industry is no exception. The influence of the internet on music has been profound, altering the way we discover, consume, and interact with music. This essay explores the significant role of the internet in the music industry, supported by illustrative examples.Firstly, the internet has democratized access to music. Prior to the digital revolution, music was typically distributed through physical media such as CDs, cassettes, and vinyl records. However, with the advent of streaming services like Spotify, Apple Music, and YouTube,individuals can access an almost limitless library of music from anywhere in the world with an internet connection. This has not only made it easier for music fans to discover new artists and genres but has also given independent musicians a platform to share their music with a global audience.Secondly, the internet has transformed the music-making process. Before the internet, collaboration between musicians was limited to those in the same geographical location. However, today, musicians can collaborate with each other regardless of their location, thanks to online collaboration tools and platforms like SoundCloud and Bandcamp. This has opened up new possibilities forcreativity and innovation, as musicians can drawinspiration from a diverse range of cultures and genres.Moreover, the internet has revolutionized the music industry's business model. Traditional record sales have been supplanted by streaming services that generate revenue through subscriptions, advertisements, and paid downloads. This new business model has been a boon for artists, as it allows them to generate income from their music even whenit's not being sold as a physical product. It has also made it possible for artists to connect directly with their fans, building stronger relationships and communities.One illustrative example of the internet's impact onthe music industry is the rise of the "indie" music movement. In the past, independent musicians had limitedopportunities to distribute and promote their music. However, with the advent of streaming services and social media, indie musicians have been able to bypass traditional music distributors and reach a wider audience directly. This has led to a surge in creativity and diversity in the music industry, as independent artists are able to experiment with new sounds and styles without the constraints of commercial viability.In conclusion, the internet has played a pivotal role in revolutionizing the music industry. It has democratized access to music, transformed the music-making process, and revolutionized the industry's business model. The examples of the rise of streaming services and the indie music movement demonstrate the internet's transformative power in the music industry. As technology continues to evolve, we can expect even more profound changes in the way we discover, consume, and interact with music.**互联网在音乐领域的作用**互联网的出现彻底改变了现代生活的方方面面，音乐行业也不例外。