Smart cars and highways go global
两个国家交通运输方式的异同英语作文
两个国家交通运输方式的异同英语作文全文共3篇示例，供读者参考篇1Transportation in the USA and ChinaHi there! My name is Emma and I'm a 10-year-old student from the United States. Last year, my family and I had the amazing opportunity to visit China for a few weeks. It was my first time traveling so far away from home and I was really excited to see and experience a new country and culture. One thing that really stuck out to me was how different the transportation systems were between the US and China. Let me tell you all about it!First, let's talk about cars and driving. In the US, it feels like everyone has a car or two. My parents each have their own vehicle to get to work and run errands. We rely a lot on cars and highways to get around. In the big cities in China though, there were way fewer personal cars on the roads. The traffic was still crazy, but it was mostly buses, taxis, and these cool little cars that are just for getting around the city called "tuk-tuks." My dad saidthat car ownership is becoming more common in China's cities, but a lot of people still use public transportation.Speaking of public transportation, that was probably the biggest difference I noticed between the two countries. In my hometown, we have a bus system, but the routes are pretty limited and the buses don't come very often. My mom basically has to drive me everywhere because it's not very convenient to take the bus. But in places like Beijing and Shanghai, they have these huge subway systems that make it really easy to get around without a car. The subway trains came every few minutes and could take you pretty much anywhere in the city. They were really crowded during rush hours, but I thought it was a cool experience. We don't have any kind of rail or subway in my city.Another big difference was the types of vehicles used for public transportation. In the US, the buses are all these big, boxy things. But in China, they had all kinds of interesting buses and vans, including these long bendy buses that could turn super tight corners. I had never seen anything like that before! For taxis, we just have regular cars, but in China there were all these funny little boxy vehicles that were really colorful. My dad called them "breadbox taxis." I'm not sure why they look like that, but I thought they were fun.Of course, there were some similarities too when it comes to transportation. Both countries have airplanes for long distance travel, with big airports and everything. We took a plane to get to China from California. The airplanes looked basically the same on the inside as ones I've been on in the US. There were also still trucks for transporting goods and materials around both countries, even if the brands were different.Once we got outside of the major cities in China, some of the transportation looked more similar to back home. In the countryside, there were a lot of personal cars and pickup trucks, just like you'd see in rural parts of the US. And in some smaller towns, the public buses weren't as frequent as the subways in the cities. But those urban subway and bus systems were definitely the most striking difference to me.Another interesting similarity was bicycles! In my neighborhood, you don't see a ton of people riding bikes since it's easier to just drive places. But in China, especially outside of the biggest cities, bicycles were everywhere! Whole families would be riding together, with kids sitting on baby seats on the adult's bikes. Bikes were used for commuting to work, running errands, you name it. I thought that was so cool. Here we justthink of bicycles as a fun outdoor activity, but in China they use them for real transportation.One last thing I want to mention about the transportation differences was just the sheer number of people. In big US cities, it can definitely feel crowded, but nothing like what I saw in China. Just thinking about the crowds waiting to get on the subway or buses was mind-boggling to me. And the roads seemed way more congested, even when they were these huge multi-lane highways. With so many people, efficient public transportation is probably the only way those cities could function.Overall, I had such an fascinating experience seeing the differences in how people get around between the US and China. The public transit in those big Chinese cities was definitely the most different thing for me. But I also loved seeing fun vehicles like the tuk-tuks and breadbox taxis that we don't have here. I'll always remember the experience of navigating those massive subway stations and cramming into a packed train car. It really opened my eyes to how different parts of the world solve their transportation needs in creative ways. Who knows, maybe one day bicycles and awesome subway systems will be more common here in the States too!篇2Transportation in the USA and ChinaHi there! My name is Alex and I'm going to tell you about the different ways people get around in the United States and China. Both countries are really big with lots of people, but they have some interesting differences when it comes to transportation.Let's start by talking about cars and roads. In the USA, there are tons and tons of cars! It seems like every family has at least one car, and most adults drive themselves to work, school, or to run errands. We have these huge highway systems that crisscross the entire country so you can drive from coast to coast if you want. The roads are nice and smooth (for the most part) and there are rules that everyone has to follow like speed limits, traffic lights, and stopping at stop signs.In China, there are also a whole lot of cars, especially in the big cities like Beijing and Shanghai. But I've heard that in some of the rural areas, cars aren't as common. From what I've learned, the roads in China's cities can get really congested during rush hour times. My friend Xiaoming who lives in Guangzhou says it takes his dad over an hour just to drive a few miles to work somedays! The highways between cities are supposed to be really good though.Another big difference is that way more people take public transportation in China compared to the USA. Hardly anyone in my neighborhood takes the bus or train to get around. We just drive our own cars everywhere. But in China's major cities, the subway and bus systems are awesome! They can move so many people quickly. Xiaoming told me the Beijing subway has over 20 lines and they're building more all the time. He says it's cheap, fast, and super convenient for getting around the city without dealing with traffic.As for trains between cities, both countries have different systems. In the USA, we have a passenger rail service called Amtrak that can take you pretty much anywhere, but the routes are kind of limited compared to China. The cool thing is that some of the trains are double-decker which is fun to ride in. The downside is that they can be kind of slow and the travel times are really long for far away trips.China is famous for its awesome high-speed rail network though. These trains can go over 300 km/h! That's crazy fast. From what I've learned, the high-speed rail lines connect all the major cities, and the travel times are way shorter than driving ortaking a regular train. My teacher told our class that with the high-speed trains, you can get from Beijing to Shanghai, which is over 1,000 km away, in only about 4 hours! That would take at least 12 hours to drive. The high-speed trains look really modern and comfortable too from the pictures I've seen.Switching over to air travel, both the US and China have huge aviation industries with lots of domestic and international flights. But again, there are some key differences. The US has been a leader in air travel for a really long time, so we have older and more established airlines like American, United, and Delta. They've been around for decades and have flights coveringthe entire country and the world.In China, the aviation industry has grown enormously in just the last 20 years or so as more and more people can afford to travel by air. The major Chinese airlines like Air China, China Eastern and China Southern have worked hard to catch up and now they can get you pretty much anywhere too. But because the demand for air travel in China grew so rapidly, they've had to build a ton of new airports and runways in quick time.For example, I saw pictures of the crazy new airport that just opened in Beijing a few years ago. It's one of the biggest airports in the world! It almost looks like a massive spaceship from theoutside. The terminals are ginormous and have a ton ofhigh-tech features to try and make traveling smoother. My uncle visited and said it felt like he was in an airport from the future. I'll have to go there myself one day and check it out.Some other forms of transportation in China that we don't really have in the US are bicycles and high-speed ferries. Bicycles used to be a way more common way to get around in Chinese cities, but now car ownership has gone way up so they aren't used as much anymore except in some smaller cities and towns. But I think it's super cool that China has started building these crazy fast ferries that can go over 150 km/h and shoot across waters to take people between cities with good ports.In the end, while the USA and China both have very advanced transportation systems overall, there are some pretty big differences in how people get around in each country based on things like public transportation, high-speed rail, and bicycle usage. I'd love to be able to experience traveling on the Beijing subway, a high-speed train, and one of those ultra-fast ferries someday! Modes of transportation will probably keep evolving too as technology advances. Who knows what we'll see in the future? Maybe supersonic airplanes or hyperloop trains could be common by the time I'm an adult. I'll just have to wait and see!Well, that's my take on the similarities and differences between transportation in the United States and China. I tried to cover all the major forms like cars, trains, planes and even some of the more unique options. Let me know if you have any other questions! Getting from place to place is something we all do every day, but it's pretty fascinating when you stop and think about all the various ways we can travel these days. Happy trails!篇3Transportation in Two CountriesHi friends! Today I want to tell you about the different ways people get around in two countries - the United States and Japan. My family is from Japan, but we live in the United States now. I've been lucky to experience the transportation systems in both places. Let me share what I've learned!First, let's talk about cars. Cars are really popular for getting around in both the U.S. and Japan. A lot of families have their own car that they use to drive to work, school, the grocery store, and other places. However, there are some differences in how people use cars between the two countries.In the U.S., most families have bigger cars like minivans, SUVs, or trucks. The roads and parking spaces are larger toaccommodate these bigger vehicles. Many people commute longer distances to work or school by driving on highways and interstate roads. Having your own car is almost a necessity in many parts of the U.S. because the cities are more spread out.In Japan, the cars tend to be smaller and more compact. This is because the cities are more densely populated with narrower roads and tight parking spaces. Japanese people often don't drive as far for their daily commutes compared to Americans. Owning a car is convenient but not as essential since Japan has amazing public transportation options.Speaking of public transportation, that's another major difference between the U.S. and Japan! Japan is famous for its incredible public transit system of trains and buses. The metro subway systems in big cities like Tokyo are just mind-blowing! You can get virtually anywhere by hopping on a train. The trains run frequently and are punctual to the minute. Even kids can navigate the transit systems with ease.In contrast, public transportation is not as extensive or convenient in most parts of the United States. Some major cities like New York have decent subway and bus routes. But in many other regions, buses are irregular and commuter trains arelimited. Most Americans rely on driving themselves due to the lack of public transit options where they live.One mode of transportation that is more popular in the U.S. compared to Japan is biking. Many American cities have dedicated bike lanes and paths for recreational cycling or even commuting to work. You'll see a lot of people using bikes to get around, especially in bike-friendly places like Portland or Boulder. Bicycles aren't used as much for transportation in Japan's densely packed cities, though you may see some bicycles on quieter neighborhood streets.For long distance travel between cities, both countries utilize airplanes and high-speed rail lines. Japan's Shinkansen bullet trains are iconic and can reach amazing speeds to transport people quickly between major metropolitan areas. The U.S. has some high-speed rail like Acela in the Northeast, but most interstate travel happens via domestic flights between major airport hubs.There are also some unique modes of transit you'll only find in certain places. In Japan's scenic mountain areas, I've traveled via narrow-gauge tourist trains and traditional modes like rickshaws or hauseboats. In waterfront American cities likeSeattle, ferries provide water transportation across bays and harbors.As you can see, there are lots of fascinating similarities and differences when it comes to how people get around in the United States versus Japan. Both countries have their strengths in various transportation methods based on their geography, population density, and infrastructure. No matter which transportation modes are used, the goal is to help people efficiently travel where they need to go!I feel lucky to have experienced riding on Tokyo's subways, San Francisco's cable cars, Japanese bullet trains, and American school buses. Trying out different ways to get around is an awesome way to experience new cultures and ways of life. I can't wait to see what other cool transit systems exist in destinations around the world!。
smart cars 大学英语作文
smart cars 大学英语作文Smart Cars: The Future of TransportationWith advancements in technology, the automotive industry is rapidly evolving, and one of the most exciting developments is the emergence of smart cars. Smart cars, also known asself-driving cars or autonomous vehicles, use cutting-edge technology to navigate roads, avoiding obstacles and making decisions on their own. These vehicles have the potential to revolutionize transportation and make our roads safer, more efficient, and more sustainable.One of the key benefits of smart cars is their potential to reduce traffic accidents. According to the World Health Organization, over 1.3 million people die in road traffic accidents each year, and smart cars have the potential to drastically reduce this number. With advanced sensors and artificial intelligence, smart cars can react faster than human drivers, avoiding collisions and making split-second decisions to keep passengers safe. In fact, studies have shown that smart cars could potentially reduce traffic accidents by up to 90%.In addition to safety benefits, smart cars also have the potential to make transportation more efficient. Bycommunicating with each other and with traffic infrastructure, smart cars can optimize traffic flow, reduce congestion, and minimize travel times. This can have a positive impact on the environment, as less time spent idling in traffic means reduced emissions and improved air quality.Furthermore, smart cars can improve accessibility for individuals with disabilities or limited mobility. By giving people who are unable to drive the freedom to travel independently, smart cars have the potential to increase their quality of life and expand their opportunities for work, education, and socialization.Despite the many benefits of smart cars, there are still challenges to overcome before they can become mainstream. One of the biggest challenges is ensuring that smart cars are equipped with the necessary technology to navigate roads safely and make decisions in complex driving situations. This requires significant investment in research and development, as well as collaboration between governments, industry stakeholders, and technology experts.Another challenge is ensuring that smart cars are secure from cyber threats. As smart cars become more connected to the internet and other devices, they are vulnerable to hacking and cyber attacks. Manufacturers must take measures to protectsmart cars from these threats and ensure the safety and privacy of passengers.In conclusion, smart cars have the potential to revolutionize transportation and make our roads safer, more efficient, and more sustainable. With advancements in technology and continued investment in research and development, smart cars have the potential to become a ubiquitous part of our daily lives in the near future. It is an exciting time for the automotive industry, and the possibilities are endless. Let's embrace the future of transportation with smart cars.。
smart cars的英语作文
smart cars的英语作文Smart cars are the future of transportation. These vehicles are equipped with advanced technology that allows them to navigate and operate autonomously. They are designed to be energy-efficient and environmentally friendly, making them a sustainable choice for modern mobility.Smart cars are equipped with sensors and cameras that allow them to detect and react to their surroundings. This technology enables them to avoid collisions and navigate through traffic with ease. With the ability to communicate with other vehicles and infrastructure, smart cars can optimize traffic flow and reduce congestion on the roads.One of the key benefits of smart cars is their energy efficiency. These vehicles are designed to minimize fuel consumption and emissions, making them a greener alternative to traditional cars. By using electric or hybrid powertrains, smart cars contribute to reducing airpollution and mitigating the impact of transportation onthe environment.In addition to their environmental benefits, smart cars also offer convenience and safety for drivers. Withfeatures such as automatic parking, adaptive cruise control, and collision avoidance systems, smart cars provide a more relaxed and secure driving experience. The integration of connectivity and infotainment systems further enhances the overall driving experience.As smart cars continue to evolve, they are expected to play a significant role in shaping the future of transportation. With ongoing advancements in technology and infrastructure, these vehicles have the potential to revolutionize the way people travel and contribute to building more sustainable and efficient urban environments.。
(完整版)Unit2SmartCars课文+翻译+练习
Smart CarsMichio Kaku1 Even the automobile industry, which has remained largely unchanged for the last seventy years, is about to feel the effects of the computer revolution.智能汽车米其奥·卡库即便是过去70年间基本上没有多少变化的汽车工业，也将感受到计算机革命的影响。
2 The automobile industry ranks as among the most lucrative and powerful industries of the twentieth century. There are presently 500 million cars on earth, or one car for every ten people. Sales of the automobile industry stand at about a trillion dollars, making it the world's biggest manufacturing industry.汽车工业是20世纪最赚钱、最有影响力的产业之一。
目前世界上有5亿辆车，或者说每10人就有1辆车。
汽车工业的销售额达一万亿美元左右，从而成为世界上最大的制造业。
3 The car, and the roads it travels on, will be revolutionized in the twenty-first century. The key to tomorrow's "smart cars" will be sensors. "We'll see vehicles and roads that see and hear and feel and smell and talk and act," predicts Bill Spreitzer, technical director of General Motors Corporation's ITS program, which is designing the smart car and road of the future.汽车及其行驶的道路，将在21世纪发生重大变革。
unit-2-smart-cars
Thank you！
• Approximately 40,000 people are killed each year in the United States in traffic accidents.
• GPS is actually but part of a larger movement, called “telematics,” which will eventually attempt to put smart cars on smart highways. (para. 11)
They can eliminate most of the car accidents.
They can alert the police and provide precise location of your car if stolen.
They can monitor one's driving and the driving conditions nearby.
• Promoters of this computerized highway have great hopes for its future. (para.13)
Critical Thinking
1. Human beings make errors, obvious and silly ones sometimes, but the wellprogrammed machines will never do.
features of smart cars
They can alert the driver who feels drowsy.
They can locate your car precisely and warn of traffic jams.
英语综合课后答案
英语综合课后答案Unit 11. What does "the icy defender" refer to?It refers to the raw, bitter, bleak Russian winter.2. What did Napoleon expect when he assembled his army to attack Russia?He expected the conquest of Russia in five weeks.3. What did the Russians do in the face of Napoleon's offensive? What strategy did the Russians adopt?Instead of fighting, they retreated eastward, burning their crops and homes as they went. They let the Russian winter fight the war for them while they bided their time4. What did Napoleon discover after he occupied Moscow? Napoleon discovered that the occupation of the city was an empty victory because the Russians fled their capital leaving him almost nothing at all.5. What happened to Napoleon's army when it was retreating from Moscow?They suffered heavy losses as a result of the extreme cold and the Russians' hit-and-run attacks.6. What did Napoleon do when Paris was captured? Napoleon abdicated and went into exile.7. When did Hitler begin his invasion of the Soviet Union? What tactics did he use? How long did he expect the campaign to last? Hitler began his invasion of the Soviet Union on June 22, 1941 without a declaration of war. He expected the campaign to last no longer than three months by using the so-called "lightning war" tactics.8. Was Stalin prepared for Hitler's attack? What did he do in the face of the German invasion?No, he wasn't. He instructed the Russian people to "scorch the earth" in front of the German invaders.9. How did the people of Leningrad respond to the German attack?The people of Leningrad refused to surrender and put up a heroic, stiff resistance.10. What slowed down the German advance on Moscow? What made the German offensive come to a halt?An early, severe, cold winter, to a large extent, slowed down the German advance on Moscow.11. What was the significance of the battle of Stalingrad?The loss of the battle for Stalingrad turned the tide against Hitler. The German victories were over.12. What conclusion does the author draw from Napoleon's and Hitler's military campaigns?The author concludes that the elements of nature must be reckoned with in any military campaign.Unit 21. How important was the automobile industry in the twentieth century?The automobile industry ranked as among the most lucrative and powerful industries of the twentieth century.2.What will happen to cars and roads in the twenty-first century?Cars and roads will be revolutionized in the twenty-first century3. Why does the author say the key to tomorrow's "smart cars" will be sensors?Because it is sensors that will enable vehicles and roads to be able to see, hear, feel, smell, talk, and act.4. How would sensors help reduce traffic fatalities?Sensors can sense if a driver is drunk and refuse to start up the engine.5. What is the function of the radars hidden in the bumpers?The radars hidden in the bumpers can scan for nearby cars. If you make a serious driving mistake the computer will sound an immediate warning.6. How will a smart car alert a driver who feels drowsy?If the driver's eyelids close for a certain length of time and hisor her driving becomes erratic, a computer in the dashboard could alert the driver.7. What makes it possible for smart cars to determine their approximate location?GPS makes it possible for smart cars to determine their location on the earth to within about a hundred feet.8. What are the prospects for applications of GPS?With the price of microchips dropping so drastically, future applications of GPS are virtually limitless.9. What is "telematics" expected to achieve in increasing the efficiency and safety of highway transportation?It is expected to put smart cars on smart highways.10. What are traffic engineers doing on Interstate 15 close to San Diego?They are installing an MIT-designed system which will introduce the "automated driver".11. What hopes do promoters of the smart highway have for its future?They have great hopes for its future. By 2010, telematics may well be incorporated into one of the major highways in the United States. By 2020, telematics could be adopted in thousands of miles of highways in the United States.12.What are the advantages of smart highways?Smart highways could be an environmental boon, saving fuel, reducing traffic jams, decreasing air pollution, and serving as an alternative to highway expansion.Unit 31. What is the writer according to what he says at the beginning of the text?He runs a manufacturing company.2. What kind of answers did he get from the college graduate who wanted a job?Almost all of them were no.3. What conclusion did the writer draw from the young applicant'sanswers?This applicant was ill prepared for the job he was applying for and therefore ill qualified.4. What is the first suggestion the writer gives to job applicants? Prepare to win.5. What changes have taken place with employees since the writer's college days?They now have to switch jobs frequently.6. What example does the writer use in support of his second suggestion?A 90-year-old tennis player who wanted to work on his weakness —backhand court.7. What is the writer's third suggestion mainly concerned with? Believing in yourself, even when no one else does.8. Why does the writer talk about the cabs in New York when he gives his fourth suggestion?Because he will mention a cabdriver who is different.9. What was it about the cabdriver that particularly impressed the writer?His efforts to make a difference.10. What made the writer travel with his mentor Curt Carlson in Carlson's jet and what happened on the day of departure?He was offered a ride in Curt's jet on a day when Minnesota was hit with one of the worst snowstorms in years and the international airport there was closed for the first time in decades.11. Why was Curt Carlson so happy when they were taxiing down the runway?Because there were no tracks left in the snow, which means he was the first person to take off from there.12. What point does the writer want to make by talking about his mentor, Curt Carlson?Carlson was excited about being first, which is exactly what the writer recommends to job applicants.Unit 41. Why does William Browder say that national identity makes no difference for him?Because he feels he is completely international.2. What does William Browder mean by saying "If you have four good friends and you like what you are doing, it doesn't matter where you are"?What he means is that if one has a network of friends and enjoy what one is doing, one can function well anywhere in the world.3. Who does Davos Man refer to?It refers to a member of the international business élite who treks each year to the Swiss Alpine town of Davos for the annual meeting of the World Economic Forum.4. What are the issues discussed at the World Economic Forum? The issues include everything from post-election Iraq and HIV in Africa to the global supply of oil and the implications of nanotechnology.5. What belief do most Davos men and women share?They all believe that globalization, the unimpeded flows of capital, labor and technology across national borders, is both welcome and unstoppable. They see the world increasingly as one vast, interconnected marketplace in which corporations search for the most advantageous locations to buy, produce and sell their goods and services.6. What does Professor Samuel Huntington think of Davos Man? He describes Davos Man as an emerging global superspecies and a threat.7. Did global trade exist in the past? What did people doing global trade think of it then?Yes, global trade has been around for centuries. In the past, the corporations and countries that benefited from global trade were largely content to treat vast parts of the world as places to mine natural resources or sell finished products.8. What is Goldman Sachs' prediction about the world economy in the future?It predicted that four economies - Russia, Brazil, India and China - will become a much larger force in the world economy than widely expected, based on projections of demographic and economic growth, with China potentially overtaking Germany this decade. By 2050, these four newcomers will likely have displaced all but the U.S. and Japan from the top six economies in the world.9. Who does Manila Woman refer to?It refers to low-paid migrant workers from Asia and elsewhere who are increasingly providing key services around the world. 10. What is the major difference between Davos Man and Manila Woman?Unlike Davos Man, Manila Woman is strongly patriotic.11. Why does Patrick Sayer focus on the domestic market? Because he thinks that there are still too many barriers to cross-border business in Europe, let alone the world.12. What does the author think Davos Man need to figure out?Davos Man needs to figure out how to strike a balance on a global scale between being international and being national at the same time.Unit 51. Does the narrator think our first impressions of a person are always right? Why or why not?No, he doesn't. Because his personal experience tells him this is wrong.2. What was Edward Burton by profession? How did he look? He was a merchant and had been in business in Japan for many years. He was a tiny little fellow, not much more than five feet four in height, and very slender, with white hair, a red face much wrinkled, and blue eyes.3. What struck the narrator most about Edward Burton? Why? Edward Burton had done something the narrator could never have believed he would, unless he had heard the story from his own lips. Both in appearance and manner he suggested the type of character you would not associate with such an action.4. Who was Lenny Burton? How did Edward Burton get to know him?Lenny Burton was a bridge player. Edward Burton used to play bridge with him.5. What was Edward Burton's impression of Lenny?In his eyes, Lenny was not a bad chap, and he liked him.6. How did Lenny manage to support himself?He got, from time to time, a bit of money from his family in London and made a bit more by card-playing.7. Why did Lenny call at his namesake's office one day?He called at his namesake's office to ask for a job8. How did Edward respond to his request?Edward refused his request and humiliated him.9. How did the response help to show him up in his true colors?The response showed that he was a cruel man because he even made fun of Lenny who was down and out instead of giving him help.10. What idea did Edward think of when Lenny begged again fora job?Edward asked Lenny to swim from the Shioya Club round the beacon and land at the creek of T arumi. It was over three miles and rather difficult.11. Why did Lenny hesitate before he agreed to do as he was told to?Because he knew that he was not in good condition and might not make it.12.When Edward set a condition for offering a job, was he aware Lenny would be drowned? How do you know?Yes. Because Edward said that he hadn't got a vacancy in his office when he set the condition.Unit 61. What did we use to expect from technology?We used to think that technology would make our lives easier.2. In what ways have inventions such as the motorcar and theaircraft brought us benefits? And what about the advent of washing machines?Inventions such as the motorcar and the aircraft have offered us unimaginable levels of personal mobility. Washing machines have freed women from having to toil over the laundry.3. What new burdens has technology produced apart from cramming work into our leisure time?According to the author, aside from allowing work to spread into our leisure time, technology has also added the new burden of dealing with faxes, e-mails and voicemails.4. How fast is information generated today as compared to a couple of centuries ago?A couple of centuries ago, nearly all the world's accumulated learning could be contained in the heads of a few philosophers. Today, those heads could not hope to accommodate more than a tiny fraction of the information generated in a single day.5. What is Edward Wilson's purpose in subscribing to sixty-odd journals and magazines?His purpose is to keep him up with what is going on in his specialized field - entomology.6. What gives rise to our discontent with super abundance? The confusion of endless choice.7. Is everyone time-starved today? What percentage of the population is suffering under the stresses and strains of life today? No. About half the population is suffering under the stresses and strains of life today.8. What is stress envy, as conceived by Paul Edwards? According to Paul Edwards, lots of people have a sense that if you're not stressed, you're not succeeding. Therefore everyone wants to have a little bit of this stress to show they're an important person.9. How much free time has the average American gained since the mid-1960s? How are the gains distributed between the sexes? The average American has gained five hours a week in free timesince the mid-1960s. The gains are unevenly distributed between the sexes.10. What is meant by "the growth of the work-life debate"?It is meant that there are more and more debates on how many years people should work and whether long hours or shorter hours working policies should be adopted, etc11. What does Godbey mean by saying "It's the kid in the candy store"?Here Godbey makes a comparison. The kid in the candy store is more often than not attracted by a wide variety of good candies and doesn't know which to choose. This is true of us, too. There are so many good things to do, but we don't have enough time to do them all.12. What remedy does the author offer for time stress?The author points out that a more successful remedy may lie in understanding the problem rather than evading it. We should have "fewer desires" and "set boundaries for ourselves."。
全新版大学英语综合教程第四册Unit2
• Benz奔驰
• Hummer 悍马 (原意为“蜂鸟”，悍马 多数为大型吉普车、房 车)
• Cadillac凯迪拉克 the Cadillac of sth一流 的，最好的，顶级的
How much do you know about smart cars?
Warm-up discussion
1. Smart is short for Swatch Mercedes ART. 2. Smart car is a vehicle equipped with multimedia digital
systems, such as sensors, in-car navigational systems, Global Positioning Systems, small radars to make driving safe and fast, so it’s versatile. 3. It is an application of artificial intelligence in vehicles. 4. It plays an important role in Intelligent Transport Systems (ITS).
Terms of smart cars:
• sensor(L10) • monitor(L24) • bumper(L25) • dashboard(L33) • orbiting satellite(L40) • receiver(L49) • navigation(L53) • microchip(L56) • radio transmitter(L65) • rear-view mirror
• What do you imagine a smart car can do? talk to the driver? drive on its own? warn the driver of dangers? locate the car? sense the driving conditions nearby?
review & exercise 2
Summary
GPS and “telematics” make it possible to build smart highways by mounting computer chips, sensors, and radio transmitters on highways to alert cars to traffic jams and obstructions. When telematics is incorporated into highways, this could prove to be an environmental boon , saving fuel, reducing traffic jams, decreasing air pollution, and serving as an alternative to highway expansion.
Summary
When telematics is incorporated into highways, this could prove to be an environmental boon , saving fuel, reducing traffic jams, decreasing air pollution, and serving as an alternative to highway expansion.
antonyms:
Regular Underestimate Limited e________ o________ e________
Words and Phrases to Drill
alert application approximately bunch convert correlate decrease eliminate expansion frequency hazard highway incorporate lane lucrative magnetic manufacture monotonous mount pollution presently prototype satellite vapor vibrate as well be poised to (do) get/ be stuck in (sth.) in the air send out start up take control of turn sth. into/ become a reality
smart cars的英文作文
smart cars的英文作文英文：Smart cars, also known as connected cars, are vehicles that are equipped with advanced technology that allows them to communicate with other cars, infrastructure, and the internet. These cars are designed to improve safety, efficiency, and convenience for drivers and passengers.One of the most significant benefits of smart cars is their ability to communicate with other vehicles on the road. This technology, known as vehicle-to-vehicle (V2V) communication, allows cars to share information about their speed, location, and direction of travel. This information can be used to prevent accidents and improve traffic flow.Another advantage of smart cars is their ability to communicate with infrastructure such as traffic lights and road signs. This technology, known as vehicle-to-infrastructure (V2I) communication, allows cars to receivereal-time information about traffic conditions, road closures, and other important updates. This information can be used to plan more efficient routes and avoid traffic congestion.Smart cars also offer a range of convenience features such as remote start, automatic parking, and hands-free calling. These features make driving more enjoyable and less stressful, allowing drivers to focus on the road and enjoy their journey.Overall, smart cars are a significant advancement in automotive technology that offer numerous benefits to drivers and passengers. As technology continues to evolve, we can expect to see even more advanced features and capabilities in the cars of the future.中文：智能汽车，也称为互联汽车，是配备先进技术的车辆，可以与其他车辆、基础设施和互联网进行通信。
smartcars课文翻译
能看、能听、有知觉、具嗅觉、会说话的智能汽车?还能自动驾驶?这听起来或许像是在做梦，但计算机革命正致力于把这一切变为现实。
智能汽车米基奥•卡库即便是过去70年间基本上没有多少变化的汽车工业，也将感受到计算机革命的影响。
汽车工业是20世纪最赚钱、最有影响力的产业之一。
目前世界上有5亿辆车，或者说每10人就有1辆车。
汽车工业的销售额达一万亿美元左右，从而成为世界上最大的制造业。
汽车及其行驶的道路，将在21世纪发生重大变革。
未来“智能汽车”的关键在于传感器。
“我们会见到能看、能听、有知觉、具嗅觉、会说话并能采取行动的车辆与道路，”正在设计未来智能汽车和智能道路的通用汽车公司ITS项目的技术主任比尔•斯普雷扎预言道。
美国每年有大约4万人死于交通事故。
在汽车事故中死亡或严重受伤的人数太多，我们已经不屑在报纸上提及。
这些死亡的人中至少有半数是酒后开车者造成的，另有许多死亡事故是驾驶员不小心所导致。
智能汽车能消除绝大多数这类汽车事故。
它能通过会感测空气中的酒精雾气的电子传感器检测开车者是否喝醉酒，并拒绝启动引擎。
这种车还能在遇窃后通报警方，告知车辆的确切地点。
能监控行车过程以及周围行车状况的智能汽车已经建造出来。
藏在保险杠里的微型雷达能对周围的汽车作扫描。
如果你发生重大行车失误(如变道时有车辆在你“盲点”内)，计算机立即会发出警报。
在麻省理工学院媒介实验室，业已制造出能测知你行车时有多少睡意的样车，这对长途卡车司机意义尤其重要。
一连数小时注视着中夹分道线这样一个单调、几乎能催眠的过程是被严重低估的威胁生命的重大隐患。
为消除这一隐患，藏在仪表板里的一架微型相机可对准开车者的脸部及眼睛。
如果司机的眼帘合上一定时间，行车变得不稳，仪表板里的计算机就会向司机发出警报。
开车最头疼的两大麻烦是迷路和交通堵塞。
虽然计算机革命不可能彻底解决这两个问题，但却会带来积极的影响。
你汽车上与绕轨道运行的卫星发出的无线电信号调谐的传感器能随时精确地确定你汽车的方位，并告知交通阻塞情况。
smartcars课文翻译
能看、能听、有知觉、具嗅觉、会说话的智能汽车?还能自动驾驶?这听起来或许像是在做梦，但计算机革命正致力于把这一切变为现实。
智能汽车米基奥•卡库即便是过去70年间基本上没有多少变化的汽车工业，也将感受到计算机革命的影响。
汽车工业是20世纪最赚钱、最有影响力的产业之一。
目前世界上有5亿辆车，或者说每10人就有1辆车。
汽车工业的销售额达一万亿美元左右，从而成为世界上最大的制造业。
汽车及其行驶的道路，将在21世纪发生重大变革。
未来“智能汽车”的关键在于传感器。
“我们会见到能看、能听、有知觉、具嗅觉、会说话并能采取行动的车辆与道路，”正在设计未来智能汽车和智能道路的通用汽车公司ITS项目的技术主任比尔•斯普雷扎预言道。
美国每年有大约4万人死于交通事故。
在汽车事故中死亡或严重受伤的人数太多，我们已经不屑在报纸上提及。
这些死亡的人中至少有半数是酒后开车者造成的，另有许多死亡事故是驾驶员不小心所导致。
智能汽车能消除绝大多数这类汽车事故。
它能通过会感测空气中的酒精雾气的电子传感器检测开车者是否喝醉酒，并拒绝启动引擎。
这种车还能在遇窃后通报警方，告知车辆的确切地点。
能监控行车过程以及周围行车状况的智能汽车已经建造出来。
藏在保险杠里的微型雷达能对周围的汽车作扫描。
如果你发生重大行车失误(如变道时有车辆在你“盲点”内)，计算机立即会发出警报。
在麻省理工学院媒介实验室，业已制造出能测知你行车时有多少睡意的样车，这对长途卡车司机意义尤其重要。
一连数小时注视着中夹分道线这样一个单调、几乎能催眠的过程是被严重低估的威胁生命的重大隐患。
为消除这一隐患，藏在仪表板里的一架微型相机可对准开车者的脸部及眼睛。
如果司机的眼帘合上一定时间，行车变得不稳，仪表板里的计算机就会向司机发出警报。
未来的智能交通工具英语作文
未来的智能交通工具英语作文1In the future, smart transportation will change our lives in many amazing ways.Autonomous driving will be a common feature. This means that cars and other vehicles can drive themselves, and people can relax or do other things during the journey.Smart vehicles will also be highly energy-efficient. They might use advanced technologies to save energy and reduce waste. For example, some might be powered by electricity or hydrogen, which produce less pollution than traditional fuels.Another great advantage of future smart transportation is that it will be environmentally friendly. Solar-powered vehicles could become widespread, reducing our reliance on fossil fuels and helping to clean up the air.Imagine flying cars that can solve traffic congestion. They could fly above the roads, allowing for a smooth flow of traffic.And solar-driven transportation would greatly decrease environmental pollution, making our planet a healthier place to live.In conclusion, the future of smart transportation is full of possibilities. We can look forward to a world where travel is not only convenient but also sustainable and environmentally friendly.In the future, intelligent transportation will play an extremely crucial role. It will bring about revolutionary changes to our lives.The changes in the way people travel will be remarkable. For instance, self-driving cars will become the norm. Passengers can relax and enjoy the journey without the need to drive themselves. This not only reduces the stress of travel but also increases safety. Moreover, flying cars might also become a reality. People will be able to avoid traffic congestion on the ground and reach their destinations more quickly.The impact on urban planning will also be significant. The development of intelligent transportation will lead to a reconfiguration of urban infrastructure. For example, charging stations for electric vehicles will be ubiquitous, and dedicated lanes for intelligent transportation will be established. This will optimize the use of urban space and improve the efficiency of transportation.Take the magnetic levitation train as an example. It has greatly enhanced transportation efficiency and shortened travel times. The intelligent subway has also improved urban commuting, making people's lives more convenient.In conclusion, the future of intelligent transportation holds immense promise. It will transform our lives in ways we can only imagine today, making our world more connected and accessible.One day, I had the amazing opportunity to take a ride on a future intelligent spaceship for a vacation. Before setting off, I was filled with excitement and anticipation. I couldn't wait to experience this cutting-edge mode of transportation.When I stepped into the spaceship, I was immediately struck by its sleek and modern design. The interior was filled with advanced technology and comfortable seats. As the spaceship took off, I felt a gentle push-back and then a smooth acceleration. The view outside the window was simply breathtaking. I could see the Earth getting smaller and smaller as we headed towards our destination.During the journey, I was amazed by the intelligent systems on board. The spaceship seemed to know exactly what I needed and provided everything in an instant. There was no turbulence or discomfort, and I felt completely at ease. I spent my time enjoying the various entertainment options and communicating with other passengers.Finally, when we arrived at our destination, I was filled with a sense of wonder and gratitude. This journey had exceeded all my expectations.I realized that the future of intelligent transportation was not just a dream but a reality that could bring us convenience and joy. I couldn't wait to share this wonderful experience with my friends and family, hoping that they too could one day enjoy such an amazing adventure.Nowadays, the transportation tools we use have some problems. For example, cars and buses running on fossil fuels cause air pollution and contribute to climate change. Traffic jams are common in big cities, which waste people's time and make them frustrated.The concept of future intelligent transportation tools brings hope. These could include electric cars that are becoming more and more popular. They are energy-efficient and environmentally friendly. Also, there are smart transportation systems that can optimize traffic flow. Sensors and advanced algorithms help manage traffic lights and guide vehicles to avoid congestion.The development prospects of future intelligent transportation tools are very bright. With continuous technological progress, we may see self-driving cars that ensure safer and more efficient travel. Flying cars could also become a reality, making long-distance travel much faster. Moreover, public transportation might become more intelligent and comfortable, attracting more people to use it and reducing the number of private cars on the road.In conclusion, the future of intelligent transportation tools is full of possibilities. They will surely change the way we travel and make our lives better.In the future world, the means of transportation have undergone astonishing changes. Imagine a world where vehicles can fly freely in the sky, and underwater submarines can travel at amazing speeds.The most fascinating one is the time machine. It allows us to travel through time and space. We can go back to the ancient past to witness the rise and fall of civilizations, or leap into the distant future to explore unknown mysteries. This amazing invention has opened up endless possibilities for us.Another wonderful creation is the teleportation vehicle. With just a thought, it can take us to any place we want to go in an instant. No more traffic jams or long waits at the airport. We can freely visit distant friends and family, or explore the most beautiful corners of the world.The intelligent transportation in the future also has perfect environmental protection functions. They are powered by clean energy, and no longer cause pollution to the earth. Moreover, these vehicles can automatically avoid obstacles and accidents, ensuring the safety of passengers.In this future world full of imagination, intelligent transportation has truly changed our lives and brought us unprecedented convenience and joy.。
smart cars英语作文结合课文
Title: The Future of Transportation: Smart Cars and Their ImpactIn today's rapidly evolving technological landscape, the automotive industry stands at the forefront of innovation. Smart cars, the embodiment of this technological revolution, are poised to revolutionize the way we travel, making driving safer, more efficient, and more convenient. This essay delves into the concept of smart cars, their features, and their potential impact on society.IntroductionFor decades, the automobile industry remained largely unchanged, with incremental improvements in engine efficiency, safety features, and comfort. However, in recent years, the computer revolution has begun to transform the automotive landscape. Smart cars, equipped with advanced sensors, high-tech computer systems, and internet connectivity, are redefining what we consider a vehicle.Features of Smart CarsAutonomous Driving: At the heart of smart cars lies the ability to navigate roads independently. By using a combination of sensors, radars, cameras, and GPS, these vehicles can make decisions on their own, reducing the risk of accidents caused by human error. This feature has the potential to significantly improve road safety and reduce traffic congestion.Collision Avoidance Systems: Smart cars are equipped with sophisticated collision avoidance systems that use radar and sensors to detect obstacles in their path. These systems automatically adjust the car's speed or direction to avoid collisions, thereby enhancing road safety for all users.Intelligent Traffic Management: By connecting to a central server, smart cars can share real-time traffic information, allowing traffic managers to make informed decisions about routing and flow control. This not only reduces traffic congestion but also saves time and fuel for drivers.Energy Efficiency: Many smart cars are equipped with hybrid or electric engines that consume less fuel and emit lower levels of greenhouse gases. This not only contributes to energy conservation but also helps in reducing the carbon footprint of the automotive industry.Connectivity and Convenience: Smart cars can be integrated with smartphones and other devices, allowing drivers to access their favorite music, podcasts, or navigation apps while on the road. Additionally, these cars can provide real-time updates on vehicle maintenance, ensuring that drivers are always aware of their car's condition.Potential Impact on SocietyThe widespread adoption of smart cars is expected to have far-reaching implications on society. Firstly, it will lead to a significant reduction in road accidents, saving countless lives and reducing the economic burden associated with accidents. Secondly, the improved energy efficiency of smart cars will contribute to the global effort to combat climate change.Moreover, smart cars have the potential to transform urban planning and infrastructure. As autonomous vehicles become more prevalent, the need for traditional parking spaces and traffic signals may diminish, freeing up valuable urban space for other uses. This could lead to the development of more pedestrian-friendly cities and a reduction in urban sprawl.ConclusionIn conclusion, smart cars represent the future of transportation. By integrating advanced sensors, high-tech computer systems, and internet connectivity, these vehicles are making driving safer, more efficient, and more convenient. While there are concerns about privacy and security, the potential benefits of smart cars far outweigh these concerns. As the technology continues to evolve, we can expect to see smart cars become an integral part of our daily lives, transforming the way we travel and shaping the future of our cities.。
智能公路和智能汽车的看法英语作文
智能公路和智能汽车的看法英语作文全文共3篇示例，供读者参考篇1Intelligent Highways and Intelligent Vehicles: A Student's ViewAs a student living in the modern world, I cannot help but be in awe of the rapid technological advancements happening all around us. Two areas that particularly fascinate me are intelligent highways and intelligent vehicles. These cutting-edge technologies have the potential to revolutionize the way we travel, making our journeys safer, more efficient, and more environmentally friendly.Intelligent highways, also known as smart highways, are road systems that incorporate a variety of advanced technologies to optimize traffic flow, reduce congestion, and enhance safety. One of the key features of intelligent highways is the use of sensors and cameras to monitor traffic conditions in real-time. This data is then processed by sophisticated algorithms that can detect incidents, such as accidents or roadwork, and adjust traffic signals accordingly to minimize delays and prevent bottlenecks.Additionally, intelligent highways often employ variable speed limit signs that can dynamically adjust the speed limit based on traffic conditions, weather, and other factors. This not only helps to improve traffic flow but also increases safety by reducing the likelihood of accidents caused by sudden braking or lane changes. Dynamic message signs can also convey important information to drivers, such as accident warnings, detour routes, or weather alerts.Another fascinating aspect of intelligent highways is the integration of vehicle-to-infrastructure (V2I) communication systems. These systems allow vehicles to exchange data with roadside units, traffic signals, and other infrastructure elements. For example, a vehicle could receive information about an upcoming traffic jam or a green light, allowing the driver to adjust their speed and route accordingly. This not only improves traffic flow but also reduces emissions by minimizingstop-and-go driving.Complementing intelligent highways are intelligent vehicles, also known as smart cars or autonomous vehicles. These vehicles are equipped with a range of advanced technologies that allow them to operate with varying degrees of autonomy, from driver assistance features to full self-driving capabilities.One of the most notable features of intelligent vehicles is their ability to perceive their surroundings through a combination of sensors, cameras, and radar systems. This situational awareness allows the vehicle to detect and respond to obstacles, pedestrians, and other road users, potentially reducing the risk of accidents caused by human error or inattention.Intelligent vehicles often incorporate advanced driver assistance systems (ADAS), such as adaptive cruise control, lane-keeping assistance, and automatic emergency braking. These features not only enhance safety but also make driving a more comfortable and less stressful experience, particularly in heavy traffic or on long journeys.As technology continues to evolve, we are moving closer to the realization of fully autonomous vehicles that can navigate and operate without human intervention. While the prospect of self-driving cars may seem daunting or even unnerving to some, proponents argue that they could significantly reduce the number of accidents caused by human error, which accounts for a staggering percentage of traffic collisions.Moreover, intelligent vehicles have the potential to revolutionize mobility for those who are unable to drive due to age, disability, or other factors. By providing a safe andconvenient means of transportation, autonomous vehicles could greatly improve the quality of life for these individuals, allowing them to maintain their independence and freedom of movement.Of course, the integration of intelligent highways and intelligent vehicles is not without its challenges. Concerns have been raised about cybersecurity risks, as these systems rely heavily on interconnected networks and data exchange. Robust security measures must be implemented to prevent hacking attempts or cyberattacks that could compromise the safety and integrity of these systems.Additionally, there are ethical considerations surrounding the decision-making algorithms that govern autonomous vehicles. In the event of an unavoidable collision, how should the vehicle prioritize the safety of its occupants versus pedestrians or other road users? These complex ethical dilemmas must be addressed through extensive research, public discourse, and carefully crafted regulations.Despite these challenges, the potential benefits of intelligent highways and intelligent vehicles are too significant to ignore. By reducing traffic congestion, improving safety, and minimizing environmental impact, these technologies could have aprofoundly positive impact on our daily lives and the world around us.As a student passionate about technology and its applications, I am excited to witness the continued development and implementation of intelligent highways and intelligent vehicles. However, I also recognize the importance of critically evaluating these technologies and addressing their potential drawbacks and unintended consequences.Ultimately, the successful integration of intelligent highways and intelligent vehicles will require a collaborative effort among engineers, policymakers, experts from various disciplines, and the general public. By working together and embracing these transformative technologies responsibly, we can create a future where transportation is safer, more efficient, and more sustainable for all.篇2Intelligent Roads and Intelligent Vehicles: A Vision of the FutureAs a student living in the modern age of rapidly evolving technology, I can't help but be amazed at the prospects of intelligent transportation systems. The concepts of intelligentroads and intelligent vehicles have long been the stuff of science fiction, but they are quickly becoming a reality that will revolutionize the way we travel and transport goods.Intelligent roads, also known as smart roads, refer to a network of highways and streets that are embedded with sensors, communication technologies, and intelligent systems to optimize traffic flow, enhance safety, and reduce environmental impact. These roads are designed to gather real-time data on traffic patterns, weather conditions, and potential hazards, and use this information to provide dynamic routing, speed management, and incident response.One of the key features of intelligent roads is their ability to communicate with intelligent vehicles, enabling a seamless exchange of information and facilitating advanced driver assistance systems (ADAS). These vehicles are equipped with a suite of sensors, cameras, and radar systems that allow them to perceive their surroundings, detect potential dangers, and make informed decisions about navigation and control.Imagine driving on a smart highway where the road itself can detect congestion ahead and automatically reroute traffic to alternative routes, or adjust speed limits based on real-time conditions. This level of coordination between the road andvehicles could significantly reduce travel times, fuel consumption, and emissions, while also improving overall safety.But the benefits of intelligent transportation systems go far beyond just optimizing traffic flow. Smart roads could also play a crucial role in emergency response situations, alerting authorities to accidents or breakdowns and providing real-time updates on road conditions to first responders. Additionally, these roads could be designed to prioritize public transportation and emergency vehicles, further enhancing the efficiency of our transportation networks.From a personal perspective, the prospect of intelligent vehicles is both exciting and reassuring. As a young driver, the idea of having a car that can assist me with parking, lane keeping, and even autonomous driving in certain situations is incredibly appealing. These advanced driver assistance features could not only make driving more convenient but also significantly improve road safety by reducing human error, which is a leading cause of accidents.However, the integration of intelligent roads and intelligent vehicles also raises important ethical and privacy concerns. With the vast amount of data being collected and shared between these systems, there are legitimate questions about data privacy,security, and the potential for misuse or exploitation. It is crucial that robust safeguards and regulations are put in place to ensure that personal information and travel data are protected and used responsibly.Additionally, the transition to intelligent transportation systems will undoubtedly have significant economic and societal implications. While the long-term benefits of increased efficiency and safety are clear, there may be disruptions to certain industries and job sectors during the transition period. It will be important for policymakers and industry leaders to proactively address these challenges and ensure that the benefits of these technologies are distributed equitably across all segments of society.Despite these concerns, I am cautiously optimistic about the future of intelligent roads and intelligent vehicles. The potential benefits in terms of reduced congestion, improved safety, and environmental sustainability are too great to ignore. As a student, I am excited to be part of a generation that will witness and potentially contribute to the development and implementation of these transformative technologies.However, it is crucial that we approach this technological revolution with a critical eye and a commitment to addressingthe ethical, social, and economic challenges that may arise. By fostering open dialogue, encouraging public awareness, and prioritizing responsible innovation, we can ensure that intelligent transportation systems are developed and deployed in a way that truly serves the greater good of society.In conclusion, the convergence of intelligent roads and intelligent vehicles represents a paradigm shift in the way we think about transportation. While there are valid concerns and challenges to be addressed, the potential benefits in terms of efficiency, safety, and sustainability are immense. As a student with a vested interest in the future, I am both excited and hopeful about the prospects of this technological revolution, and I look forward to being part of the ongoing conversation and development of intelligent transportation systems.篇3My Views on Smart Roads and Smart VehiclesEver since I was a little kid, I've been fascinated bycutting-edge technology and how it can make our lives easier and better. Two areas that have seen rapid development in recent years are smart roads and smart vehicles. While I'm definitely excited about the potential benefits, I also have someconcerns about these emerging technologies that I think we need to carefully consider.Let me start with smart roads. The basic concept is using sensors, cameras, and other monitoring systems embedded into the roads and infrastructure to collect real-time data on traffic conditions, accidents, weather, construction areas and more. This data can then be analyzed by artificial intelligence systems to optimize traffic flow, reroute vehicles around problems, and generally make our road transportation networks function much more efficiently.Just think about how much time and fuel we currently waste sitting in traffic jams that could potentially be prevented with smarter traffic management. Avoiding those backups and having a smoother flow of vehicles would reduce emissions, save people time and money, and make our daily commutes less stressful. Smart roads could also help prevent accidents by quickly detecting hazards and alerting drivers through smart car systems and electronic road signs.Another big advantage is better maintenance and repair of road infrastructure. With all the monitoring sensors in place, problems like potholes, cracking, and bridge damage could be automatically detected much sooner before they cause majorissues. Road crews could then be dispatched with precise data on what needs fixing and where. This would allow problems to get addressed sooner while requiring less human labor to constantly patrol and visually inspect every mile of road.Those are some of the awesome potential upsides, but smart roads also raise some serious concerns in my opinion. There are major privacy implications to having your travel monitored and tracked by a comprehensive road sensor network. While monitoring traffic flows is one thing, I wouldn't want my specific vehicle and driving habits identified and that data sold to advertisers or used to penalize me. We would need very strong data privacy regulations.There are also cybersecurity risks to having so much of our transportation infrastructure reliant on computer systems and networks that could potentially be hacked. If bad actors were able to hijack the smart road management AI, they could potentially cause all kinds of havoc by snarling traffic in key areas or rerouting vehicles into hazards. The systems would need incredible security and resilience built in.Smart vehicles are the other side of this technological coin, and they deserve a close look as well. Modern cars already have lots of smart features like driver assistance, self-parking, crashavoidance, and more. But we're rapidly moving toward trueself-driving vehicles that could essentially operate with no human input at all.The benefits here are massive in terms of safety and accessibility. Smart self-driving cars could virtually eliminate accidents caused by human error like distracted or impaired driving. They could also provide much greater mobility to people who currently can't drive due to age or disabilities. No more need to watch the road, so you could work, read, or just relax during your travel time.From an environmental perspective, smart cars that are centrally optimized and routed could drastically improve fuel efficiency while reducing emissions from excess idling andsub-optimal driving patterns. The effects of millions of individual drivers all making decent but imperfect choices would be eliminated in favor of a centralized perfect optimization. Traffic would flow better while using less energy.However, the concerns about security and privacy remain just as relevant for smart vehicles. Maybe even more so since a hacker gaining control over self-driving cars could cause incredibly dangerous situations far beyond just snarling traffic.There would need to be hardware backdoors and human override protocols to prevent such nightmare scenarios.And even if the systems are secure, there's the question of liability when inevitably something goes wrong despite the AI's best efforts. When there's a crash, is it the automaker's fault? The AI company's fault? The city's fault for a mapped road hazard? We lack the legal and regulatory frameworks to sort that out currently.On a more philosophical level, I have mixed feelings about abdicating so much of our mobility to centrally controlled AI systems. While I'm pragmatic enough to see the benefits of optimized traffic flow, there's something to be said for the freedom and spontaneity of human-controlled individual vehicles. If everything is efficiently pre-routed and managed, do we lose some of the liberty and independence that cars originally gave us? It's something to ponder.Ultimately, I'm quite excited about the potential of smart roads and smart vehicles to dramatically improve safety, travel efficiency, environmental impacts, and accessibility. But we need to be clear-eyed about the risks and downsides as well. Privacy, security, liability, and maintaining some level of individualmobility all need to be carefully evaluated and regulated as these technologies progress.If we can find the right balance and get the details figured out, I think smart transportation networks could make all of our lives significantly better and our cities function more smoothly. We just need to be thoughtful and proactive about addressing the challenges before we're completely ceded control to the machines. With prudent governance, I'm optimistic that we can enjoy the upsides of these innovations while protecting what makes us human.。
智能汽车与智能公路小英语作文100字
智能汽车与智能公路小英语作文100字全文共3篇示例，供读者参考篇1Smart Cars and Smart Roads: The Future of TransportationAs a high school student fascinated by technology, I can't help but be excited about the incredible advancements happening in the world of smart cars and smart roads. These cutting-edge innovations are poised to revolutionize the way we think about transportation, promising a future that is safer, more efficient, and more sustainable.Let's start with smart cars. These vehicles are equipped with an array of sensors, cameras, and advanced computing systems that allow them to perceive their surroundings and make intelligent decisions on the road. They can detect pedestrians, other vehicles, and potential hazards, and react accordingly, reducing the risk of accidents caused by human error or inattention.But smart cars aren't just about safety; they also offer a wealth of convenience features. Imagine a world where your car can park itself, navigate to your destination without input, andeven adjust its settings based on your preferences and driving habits. It's like having a personal chauffeur at your beck and call, but without the added expense.Of course, smart cars alone aren't enough to truly transform our transportation system. That's where smart roads come into play. These intelligent infrastructure systems use a network of sensors, cameras, and communication technologies to monitor traffic flow, detect incidents, and optimize routing in real-time.Imagine driving on a smart road where your car communicates seamlessly with the infrastructure, receivingup-to-the-minute information on traffic conditions, construction zones, and even weather alerts. Your vehicle could then adjust its speed and route accordingly, ensuring a smoother, more efficient journey.But the benefits of smart roads go beyond just optimizing traffic flow. These systems can also help reduce emissions by minimizing stop-and-go traffic, which is a major contributor to air pollution in urban areas. Additionally, smart roads can prioritize public transportation and emergency vehicles, further enhancing efficiency and safety.Of course, the integration of smart cars and smart roads raises important questions about privacy, cybersecurity, and theethical implications of autonomous decision-making. As with any transformative technology, there will be challenges to overcome and concerns to address.However, I believe that the potential benefits of these innovations far outweigh the risks. By embracing smart cars and smart roads, we can create a transportation system that is safer, more efficient, and more sustainable – a system that not only improves our daily commutes but also helps to address pressing global issues like climate change and urban congestion.As a student, I'm excited to be part of a generation that will witness and shape the future of transportation. Who knows, maybe one day I'll even have the opportunity to work on developing these cutting-edge technologies myself.In the meantime, I'll continue to follow the progress of smart cars and smart roads with eager anticipation, knowing that the journey to a better future is well underway.篇2Smart Cars and Smarter Roads: Envisioning the Future of TransportationAs a student passionate about emerging technologies, I find the concept of intelligent cars and intelligent roads captivating.These cutting-edge advancements have the potential to revolutionize the way we perceive and experience transportation, promising a future where safety, efficiency, and sustainability take center stage.Intelligent cars, or autonomous vehicles, are no longer confined to the realms of science fiction. With their advanced sensors, cameras, and sophisticated algorithms, these vehicles can navigate through complex traffic scenarios, detect obstacles, and make real-time decisions without human intervention. Imagine being able to sit back, relax, and let your car take the wheel while you catch up on work, indulge in your favorite book, or simply enjoy the scenery.However, the true potential of intelligent cars lies in their seamless integration with intelligent road infrastructure. Envision a network of smart roads that communicate with vehicles, sharing real-time data on traffic conditions, accidents, and construction zones. This symbiotic relationship would enable vehicles to reroute efficiently, reducing congestion and minimizing travel times.But the benefits extend far beyond mere convenience. Intelligent roads could be equipped with sensors that monitor road conditions, alerting maintenance crews to potential hazardsor areas in need of repair. This proactive approach could significantly enhance road safety, preventing accidents and saving countless lives.Moreover, the integration of intelligent cars and roads could pave the way for groundbreaking traffic management systems. Imagine a world where traffic lights are a thing of the past, replaced by a dynamic, self-regulating system that optimizes traffic flow based on real-time data. This could not only reduce commute times but also contribute to a greener future by minimizing fuel consumption and emissions.The potential environmental benefits of this technology cannot be overstated. Intelligent cars, with their precise control over acceleration and braking, could significantly improve fuel efficiency. Additionally, the seamless integration of intelligent cars and roads could facilitate the widespread adoption of electric and alternative-fuel vehicles, further reducing our carbon footprint.Of course, the path to realizing this vision is not without its challenges. Concerns about cybersecurity, data privacy, and the ethical dilemmas surrounding decision-making in autonomous vehicles must be addressed. However, with collaborative efforts from governments, tech giants, and academic institutions, thesehurdles can be overcome, paving the way for a safer, more efficient, and sustainable transportation future篇3Intelligent Cars and Smart Roads: The Future of TransportationAs a high school student fascinated by technology, I can't help but get excited thinking about the future of transportation. The convergence of intelligent cars and smart roads promises to revolutionize the way we travel, making our journeys not only more efficient but also safer and more eco-friendly. It's like something straight out of a sci-fi movie, but it's rapidly becoming a reality.Let's start with intelligent cars. These vehicles are equipped with an array of sensors, cameras, and advanced computing systems that allow them to perceive their surroundings, interpret data, and make decisions autonomously. They can detect obstacles, monitor traffic conditions, and even communicate with other vehicles and infrastructure. The potential benefits are numerous: reduced accidents caused by human error, improved fuel efficiency through optimized driving patterns, and increased mobility for those unable to drive themselves.But intelligent cars alone are just one piece of the puzzle. To truly unlock their full potential, we need smart roads – a network of interconnected highways and city streets that can seamlessly integrate with these advanced vehicles. Imagine roads that can dynamically adjust speed limits based on real-time traffic data, or intersections that can coordinate traffic flow to minimize congestion and emissions.Smart roads will also be able to communicate critical information to intelligent cars, such as upcoming road hazards, construction zones, or even potential accidents. This two-way communication will enable vehicles to make informed decisions and adapt their behavior accordingly, creating a safer and more efficient transportation system.Of course, the transition to intelligent cars and smart roads won't happen overnight. There are significant challenges to overcome, such as developing robust cybersecurity measures, establishing industry-wide standards, and addressing the ethical and legal implications of autonomous vehicles. But the potential rewards are too great to ignore.Imagine a world where traffic jams are a thing of the past, where commute times are drastically reduced, and where the environmental impact of transportation is minimized. Imaginecities with cleaner air, reduced noise pollution, and more efficient use of public spaces currently occupied by parking lots.As a student, I'm excited to witness and potentially contribute to this transportation revolution. The interdisciplinary nature of intelligent cars and smart roads means that expertise from various fields – engineering, computer science, urban planning, and even psychology – will be required to make this vision a reality.Of course, there will be skeptics and those resistant to change. But as someone who has grown up in a world where technology has rapidly transformed virtually every aspect of our lives, I have no doubt that intelligent cars and smart roads will become the new norm. It's not a matter of if, but when.In the meantime, I encourage my fellow students to stay curious, embrace innovation, and think critically about the implications of this emerging technology. We have the opportunity to shape the future of transportation, and with the right mindset and determination, we can create a safer, more efficient, and more sustainable way to move people and goods around the world.。
smartcars英语作文
smartcars英语作文Sure, here's a composition on "Smart Cars":The Evolution of Smart CarsIn the rapidly advancing world of technology, the automotive industry has not been left behind. The introduction of smart cars has revolutionized the way we travel. These vehicles are equipped with advanced technologies that make driving safer, more efficient, and even enjoyable.Enhanced Safety FeaturesSmart cars are designed with an array of safety features that were once the stuff of science fiction. They are fitted with sensors and cameras that detect the vehicle's surroundings, allowing for features like adaptive cruise control, lane departure warnings, and automatic emergency braking. These systems not only alert drivers to potential hazards but also take proactive measures to prevent accidents.Efficiency and Eco-FriendlinessOne of the key aspects of smart cars is their focus on efficiency. Many smart cars are electric or hybrid vehicles, reducing their carbon footprint and reliance on fossil fuels.They are also designed to optimize fuel consumption, with systems that can predict and adjust for traffic conditions, reducing unnecessary stops and starts.Connectivity and IntegrationSmart cars are not just about driving; they are about connectivity. They integrate seamlessly with smartphones and other devices, allowing drivers to access information, entertainment, and even control vehicle functions remotely. This level of integration ensures that drivers are always connected and informed, enhancing their overall driving experience.Autonomous DrivingThe pinnacle of smart car technology is the development of autonomous vehicles. These cars have the ability to navigate roads without human intervention, using sophisticated algorithms and data from multiple sensors. While still in the testing phase in many places, the potential for self-driving cars to transform transportation is immense.Challenges and the FutureDespite the many benefits, smart cars also face challenges such as cybersecurity risks, ethical considerations regarding autonomous driving decisions, and the need for widespread infrastructure support. However, as technology continues to evolve, these challenges are being addressed, and the future of smart cars looks promising.ConclusionSmart cars represent the convergence of automotive engineering and cutting-edge technology. They are not just a means of transportation; they are a symbol of progress and innovation. As we move towards a more connected and automated world, smart cars are set to play a pivotal role in shaping our future.This composition provides an overview of smart cars, their features, and the potential they hold for the future of transportation.。
smart cars 英语作文
smart cars 英语作文Smart cars are the future of transportation. They are equipped with advanced technology that allows them to navigate through traffic, park themselves, and even communicate with other vehicles on the road. With the rise of smart cars, we can expect to see a significant decrease in accidents and traffic congestion.One of the most exciting features of smart cars istheir ability to be connected to the internet. This means that they can access real-time traffic information, weather updates, and even communicate with other smart devices. This connectivity makes smart cars not only safer but also more efficient and convenient for drivers.In addition to their advanced technology, smart cars are also designed to be more environmentally friendly. Many smart cars are electric or hybrid, which means they produce fewer emissions and are more sustainable than traditional vehicles. This is an important step towards reducing ourcarbon footprint and combating climate change.Despite all the benefits of smart cars, there are still some concerns about their safety and security. As with any connected device, there is always the risk of hacking and cyber attacks. Manufacturers and regulators need to work together to ensure that smart cars are secure and protected from potential threats.Overall, smart cars have the potential to revolutionize the way we think about transportation. They offer a range of benefits, from improved safety and efficiency to reduced environmental impact. As technology continues to advance, we can expect to see even more exciting developments in the world of smart cars.。
中国新能源汽车走向世界的英语作文
中国新能源汽车走向世界的英语作文Title: China's New Energy Vehicles: Paving the Way for Global AdoptionIn recent years, China has emerged as a global leader in the development and promotion of new energy vehicles (NEVs), spearheading efforts to reduce carbon emissions, combat climate change, and transition towards sustainable transportation solutions. The country's strategic investments and advancements in NEVs have not only transformed its domestic automotive industry but also positioned China as a key player in shaping the future of electric mobility worldwide.One of the primary drivers behind China's push for NEVs is the imperative to address environmental challenges and reduce the reliance on fossil fuels. With growing concerns over air pollution and climate change, the Chinese government has implemented ambitious policies and incentives to promote the adoption of electric vehicles (EVs), plug-in hybrids, and fuel cell vehicles. These initiatives have catalyzed the rapid growth of the NEV market in China, making it the world's largestmarket for electric cars.Furthermore, China's commitment to innovation and technological advancement has propelled the development of cutting-edge NEV technologies. Domestic automakers and tech companies have made significant strides in battery technology, electric drivetrains, and autonomous driving systems, positioning China at the forefront of EV innovation. Chinese NEV manufacturers are not only meeting domestic demand but also seeking to expand their presence in international markets, showcasing the quality and competitiveness of Chinese-made electric vehicles.In addition to technological advancements, China's emphasis on infrastructure development has been crucial in supporting the widespread adoption of NEVs. The country has invested heavily in charging infrastructure, building a robust network of charging stations and battery swap facilities across urban centers and highways. This infrastructure investment has alleviated range anxiety, improved accessibilityto charging points, and accelerated the transition to electric mobility in China.Moreover, China's strategic partnerships and collaborations with global stakeholders have facilitated the exchange of knowledge, expertise, and best practices in the field of NEVs. By engaging in international cooperation, China has leveraged shared resources and insights to further enhance its NEV ecosystem and contribute to the global transition towards sustainable transportation solutions.In conclusion, China's efforts to promote the adoption of new energy vehicles exemplify its commitment to sustainable development, environmental stewardship, and technological innovation. Through policy support, technological advancements, infrastructure investments, and international collaboration, China is not only driving the growth of the NEV market domestically but also influencing the global trajectory towards a cleaner, greener automotive future. As China's NEV industry continues to expand andmature, it is poised to play a pivotal role in shaping the world's transition to sustainable transportation systems, marking a significant milestone in China's journey towards a low-carbon economy and a greener planet.。
大学英语第四册Summary和课后练习翻译
Unit1summary1.人们常说骄兵必败。
拿破仑和希特勒在俄罗斯的失败就是典型的例子。
They say that pride comes before a fall. The failure of Napoleon’s and Hitler’s invasions of Russia is a good case in point.2. 1812年，拿破仑率领大军入侵俄罗斯。
他自信会马到成功，预言5周内攻下俄国。
In 1812, Napoleon led his Grand Army into Russia. Confident of a quick victory, he predicted the conquest of Russia in five weeks.3.然而他未能料到会在莫斯科遭遇劲敌---俄罗斯的严冬，从而以失败告终。
But he was not prepared for the devastating enemy that met him in Moscow --- the severity of Russian winter. Thus he ended in failure.4. 1941年，希特勒不宣而战，对苏联发动袭击。
他希望速战速决，预计3个月结束战役。
In 1941, without a declaration of war, Hitler began an invasion of the Soviet Union. He expected a short campaign --- to last no longer than 3 months.5.但是，他犯下了同样的致命错误---低估了俄罗斯冬季的严酷，而付出了惨重的代价。
But he made the same vital mistake --- underestimated the severity of Russian winter, and took a toll on his invading army.6.任何军事行动都必须考虑到自然因素。