to the NASA Aeronautics and Space Database and its

气候有关的英语作文Climate Change and Its Impact。

Climate change is a hot topic in today's world. Itrefers to the long-term shift in temperature, precipitation, and other atmospheric conditions. This change is mainly caused by human activities, such as deforestation, burning fossil fuels, and industrial processes. The consequences of climate change are far-reaching and have a significant impact on the environment, economy, and human health.One of the most noticeable effects of climate change is the rise in global temperatures. According to the National Aeronautics and Space Administration (NASA), the Earth's average temperature has increased by 1.9 degrees Fahrenheit since the late 19th century. This may seem like a small change, but it has led to more frequent and severe heatwaves, droughts, and wildfires. These extreme weather events can devastate crops, wildlife, and human settlements, leading to food shortages, water scarcity, and economicinstability.In addition to the rise in temperatures, climate change has also caused the melting of polar ice caps and glaciers. This has led to a rise in sea levels, which threatens coastal communities and ecosystems. According to the Intergovernmental Panel on Climate Change (IPCC), sealevels are projected to rise by 1-4 feet by the end of the century, putting millions of people at risk of flooding and displacement. Furthermore, the loss of ice in the Arctic and Antarctic regions is disrupting marine ecosystems and contributing to the extinction of polar bear and penguin populations.Another consequence of climate change is the disruption of natural habitats and ecosystems. As temperatures rise, many plant and animal species are moving to higherlatitudes and altitudes in search of cooler climates. This migration can lead to the loss of biodiversity and the collapse of food chains, which has a ripple effect on the entire ecosystem. In addition, the acidification of oceans due to increased carbon dioxide levels is causing coralbleaching and the decline of marine life, such as fish and shellfish.The impact of climate change is not limited to the environment; it also affects human health and well-being. For example, the rise in temperatures and humidity can exacerbate air pollution and the spread of infectious diseases, such as malaria and dengue fever. In addition, extreme weather events can lead to injuries, mental health issues, and the displacement of communities, which can have long-term social and economic consequences.In conclusion, climate change is a pressing issue that requires immediate action. It is imperative that governments, businesses, and individuals work together to reduce greenhouse gas emissions, transition to renewable energy sources, and protect natural habitats. By taking proactive measures to mitigate climate change, we can safeguard the planet for future generations and ensure a sustainable and healthy future for all.。

2018年12月四级真题第二套听力原文Short Conversations1. W：I’d like to take a trip to Florida for my spring break. Can you give me any idea where to go?M：I could tell you about the places I visited, but I think you’d better look up a travel agency to help the arrangement.Q：What does the man suggest the woman do?2. M：I'm really tired of driving at night, even though the traffic seems fine.W：I see. Let's stop for some food and then find a motel nearby, so we can start early tomorrow.Q：What do we learn about the speakers?3. M：Jeff's got a lot of good ideas. Do you think he is willing to come to the meeting?W：Oh, I think he'd be glad to come, but what's difficult is getting the guy to speak before a large crowd.Q：What does the woman imply about Jeff?4. W：I hear you are leaving the company and going back to school this year.M：Yes. I'm enrolled in a graduate program in Public Administration.Q：What is the man going to do?5. W: Have you applied for the art director position?M: No, I’d like to, but the job starts on the first of May and I wouldn’t be available until June.Q: What does the man mean?6. W: Will my car be ready by the end of the day?M: It should be. I’ll call if there are any problems. We are open until 6:00.Q: What is probably the man’s job?7. W: I have a big paper due Monday, but I promise Laura we’d clean the apartment this weekend. What am I going to do?M: Why don’t you just see if Laura can wait for a week or two?Q: What does the man suggest the woman do?8. W: Construction on the bridge has really slowed the traffic.M: I know. Since they started working* the time it takes me to get to work has doubled.Q: What are the speakers talking about?Long Conversation 1W: Sales department. Can I help you?M：Oh, yes. I hope so. My name is Kings Bruce of GPF Ltd. (9) We need some supplies for our design office.W：I see. What sort of things are you looking for, Mr. Kings Bruce?M：Well, first of all, we need one complete new drawing board.W：Well, in the standard range, we have the D044, and the D045models.M：Oh, what’s the difference between them?W：Well, the D045 has the mending system and it does cost slightly more as a result.M：So what is the total price?W：For the D045, it is 387 pounds 50 pence.M：And does that include value added tax?W：Oh, yes.M：Can you tell me how long it takes to deliver?W：I can’t give a definite date now I’m afraid, because it depends on the other orders we have to get out. But it will certainly be within three weeks.M: OK, now we also want some drawing pens, ink and correction fluid, and some drawing paper.W：(10) Ah, now the lady who deals with drawing office supplies isn’t here this morning I’m afraid. But I could ask her to give you a ring this afternoon if you like.M: Oh, yes. Thank you.W: What is your telephone number?M：It is Redding. (11) That is code 0734, 21653-51.W: OK, I will get Miss Thompson to ring you this afternoon. Now would you like me to place an order for one D045 drawing board?M：Yes, please. You’ve been most helpful. Goodbye.W：Goodbye.Q9. What’s the man’s purpose in making the telephone call?Q10. Why can’t the man order the other drawing office suppliesright now?Q11. What’s the man's telephone number?Long Conversation 2W: I’m so worried about Mark these days. (12) Ever since he moved into his apartment, he has been losing weight. He really doesn't look well at all.M: He should try to gain some weight. He is probably not eating enough.W: Well, anyway, how is Tim these days?M: Tim? Oh, Tim has been worried, too. (13) He is really getting much too fat. He needs to lose about 75 pounds now.W: That’s a lot of weight to lose. What does Tim eat?M: I really don’t know. But I am sure he is eating too much cake and candy.W: Well, did I tell you Mark doesn’t eat any meat now? He only eats vegetables and fruit.M: That’s probably why he is so thin. Does he smoke?W: Does he smoke? About two packs of cigarettes a day. That’s my son, a smoking vegetarian.M: En, if he stops smoking, he would gain weight. I know he would. Tim put on a lot of weight when he stopped smoking.W: Does Tim play any sports?M: (14) Play sports? Oh, my! I keep telling him, "Tim, dear, you really need to get some exercise.”And you know what he does? He just gets angry.W: (14) I know Mark doesn’t take exercise, either.M: Did you tell him?W: Of course, but you know what it is like being a mother of a13-year-old boy. They just don’t think they need your advice anymore. (15) I wish Mark could find a nice girlfriend to relax and have fun with. I heard Tim has a girlfriend at last. That’s wonderful.Q12. When did Mark start losing weight according to the woman?Q13. Why is the man worried about Tim?Q14. What did Mark and Tim have in common?Q15. What is the woman's wish for Mark?Passage 1Good afternoon. This is Diane Martinet with the midday news on KALF. (16) Fires in California continue to burn out of control, and several small towns in the forests near San Francisco are still in danger. One of the greatest dangers to the 500 firefighters, however, comes not from the fires, but from poison plants in the forest. (17) Many firefighters have got skin problems after touching the plants, and at least three have had to go to the hospital for treatment for their skin problems.NASA, the National Aeronautics and Space Agency, today announced in Florida that the next space shuttle mission has been canceled. The mission was scheduled for an 11:30 a.m. takeoff on Tuesday. (18) However, the flight has been canceled because of problems with the spaceship’s central computer system. NASA technicians noticed the computer problems during last-minute checks.Seven teenager computer specialists have been arrested by police in New Jersey. (19) After taking an advanced computer course at school, the seven boys, all from Princeton, New Jersey, illegally obtain top-secretinformation from government computers in Washington. They also started to use their home computers to access telephone networks.In New York, the value of the dollars stayed the same today. But in Tokyo, the dollar fell dramatically. At the end of the day, it was worth 83 yen, compared to 88 yen yesterday.Q16. What does the midday news on KALF say about fires in California?Q17. What do we learn about many of the firefighters?Q18. What do we learn from the news about the space shuttle mission?Q19. What do we learn about the seven boys in New Jersey?Passage 2(20) When you live in an apartment building, where only wall separates you from your neighbors, everyone needs to be considerate of each other. That’s not what happened in my apartment building. Someone was always leaving the clothes in the washers and dryers in the laundry room. I got tired of running up and down the stairs to see if the clothes had been removed，so I could start my own one. Obviously someone else got tired, too. (21) Because one day, someone took clothes from the washer and dryer，and dumped them in the corner. This act started a battle of letters posted on the wall of the laundry room. The first letter was from Mindy Lance who was really angry that her clothes had been removed from the washer and dryer, and dumped. She then threatened to dump everybody else's clothes she herself found in the washer and dryer. Mindy Lance’s letter enraged other residents and they posted the letters to her. Eventually, Mindy began to behave properly buthard feelings remained. The problem couldn't have been resolved better.(22) The residents had informed the building manager; she then could inform all residents that the clothes should be removed from the washers and dryers within 50 minutes after their wash is done. Those who refuse to obey might not have their leases renew. That could be a fare consent solution. Neighbor problems may sometimes seem inevitable, but it’s important to resolve them fairly.Q20. What does the speaker think residents in an apartment building need to be?Q21. What started a battle of letters in the laundry C) room?Q22.What does the speaker think might be a better way to resolve the problem?Passage 3In today’s class, we'll discuss Toni Morrison's novel Beloved. As I’m sure you all know, (23) Morrison is both a popular and highly respected author and it’s not easy to be both. Born in 1931, Morrison has written some of the most touching and intelligent works on theAfrican-American experience ever written by anyone. And yet to call her an African-American writer doesn’t seem to do her justice. In many ways, she’s simply an American writer and certainly one of the best. Beloved is a truly remarkable work. It was recommended for nearly every nature literary class, including the National Book Award and the National Book Critics Circle Award, and it in fact won the Pulitzer Prize for fiction in 1988. (24) Morrison herself is distinguished for having won the Nobel Prize for literature in 1993. What makes Beloved unique is the skillful sure way in which Morrison blends intensely personal storytelling andAmerican history, racial themes and gender themes, the experience of blacks with the experience of all people everywhere, the down-to-earth reality of slavery with the sense of mysterious spirituality.We will be paying special attention to these themes as we discuss this work and I’m particularly interested in your views on the relative importance of grace and gender in this book. (25) Is it more important that Sethe, the main character is black, or that she is a woman? Which contributes more to her being? What does Morrison tell us about both?Q23. What do we learn about Toni Morrison?Q24. What honor did Toni Morrison receive in 1993?Q25.What does the speaker tell us about Sethe, the main character, in Morrison’s novel Beloved?Compound Dictation26. In addition 27. software 28. available29. individuals 30. technological 31. manufacture32. In short 33. By contrast 34. scientific 35. quantity。

space英语作文六年级全文共3篇示例，供读者参考篇1Title: The Wonders of SpaceIntroductionSpace has always fascinated humanity with its vastness, mysteries, and beauty. In this essay, we will explore the wonders of space and the discoveries that have been made over the years.The Milky WayOur home galaxy, the Milky Way, is a vast and awe-inspiring sight. It contains billions of stars, planets, and other celestial objects. The Milky Way is just one of billions of galaxies in the universe, each with its own unique properties and characteristics.PlanetsThere are eight planets in our solar system, each with its own unique features. From the rocky terrain of Mars to the gas giants like Jupiter and Saturn, each planet offers a glimpse into the diversity of the universe. In recent years, new planets have beendiscovered outside our solar system, further expanding our understanding of the universe.Black HolesBlack holes are some of the most mysterious objects in space. They are so dense that nothing, not even light, can escape their gravitational pull. Black holes can be formed when massive stars collapse in on themselves, creating a singularity where the laws of physics break down. Studying black holes has been a major area of research for astronomers.GalaxiesGalaxies are massive clusters of stars, dust, and gas that form the building blocks of the universe. The study of galaxies has revealed new insights into the formation and evolution of the universe. From the spiral arms of the Milky Way to the elliptical shapes of other galaxies, each galaxy tells a unique story about the universe.NASA and Space ExplorationNASA, the National Aeronautics and Space Administration, has been at the forefront of space exploration for decades. From landing on the moon to sending rovers to Mars, NASA has pushed the boundaries of human knowledge about space. Inrecent years, private companies like SpaceX have also entered the space race, further expanding our reach into the cosmos.ConclusionSpace is a vast and mysterious place, full of wonders and mysteries waiting to be discovered. From the galaxies that stretch billions of light-years across to the smallest particles that make up the building blocks of the universe, space offers a glimpse into the infinite possibilities of the cosmos. As we continue to explore and study space, we will undoubtedly uncover new wonders and expand our understanding of the universe.篇2Space ExplorationSpace has always been a topic of wonder and fascination for humans. Since the beginning of time, we have looked up at the stars in the night sky, wondering what else is out there beyond our little planet Earth. Over the years, we have made great strides in space exploration, sending astronauts to the moon, launching satellites into orbit, and exploring other planets with rovers.One of the most famous achievements in space exploration was the Apollo moon landing in 1969. Astronauts NeilArmstrong and Buzz Aldrin became the first humans to walk on the moon, a moment that captured the attention and imagination of people around the world. Since then, there have been many other successful missions to the moon, as well as to other planets like Mars and Venus.Another important aspect of space exploration is the use of satellites. These man-made objects orbit the Earth and are used for a variety of purposes, such as weather forecasting, communication, and monitoring the Earth's climate. Without satellites, many of the modern conveniences we take for granted, such as GPS navigation and television broadcasts, would not be possible.In recent years, there has been a renewed interest in space exploration, with companies like SpaceX and Blue Origin working to develop reusable rockets and spacecraft for cheaper and more frequent travel to space. There are also plans to send humans to Mars within the next decade, a feat that would require unprecedented levels of technology and collaboration.However, space exploration is not without its challenges. The vast distances and harsh conditions of outer space make it a dangerous and expensive endeavor. Astronauts face health risks such as radiation exposure and muscle atrophy, while spacecraftmust be designed to withstand extreme temperatures and pressures. Despite these obstacles, the potential benefits of space exploration – such as discovering new sources of energy or finding other habitable planets – make it a worthwhile pursuit.In conclusion, space exploration is an important and exciting field with the potential to greatly advance our understanding of the universe. By continuing to push the boundaries of what is possible, we can unlock new discoveries and innovations that will benefit humanity for generations to come. As we look to the stars and dream of what lies beyond, let us never forget the importance of exploring the final frontier.篇3Space is a vast and mysterious place that has fascinated humans for centuries. From the twinkling stars in the night sky to the distant planets in our solar system, space holds countless wonders waiting to be discovered. In this essay, we will explore the topic of space and its importance to our understanding of the universe.One of the most intriguing aspects of space is the sheer size of it. The universe is vast beyond comprehension, with billions of galaxies, each containing billions of stars. The sheer scale ofspace is almost impossible for the human mind to grasp, and it is this vastness that makes space so alluring to us.Space is also home to some of the most fascinating objects in the universe, such as black holes, nebulae, and supernovae. Black holes are some of the most mysterious objects in the universe, with a gravitational pull so strong that not even light can escape. Nebulae are massive clouds of gas and dust that give birth to new stars, while supernovae are the explosive deaths of massive stars that can outshine entire galaxies.Exploring space has also allowed us to gain a better understanding of our own planet and the universe as a whole. By studying the stars and planets in our solar system, scientists have been able to learn more about the origins of the universe and the processes that govern its behavior. Space exploration has also led to the development of new technologies that have improved our lives here on Earth, such as satellite communication and remote sensing.In addition to its scientific importance, space also holds a special place in human culture and imagination. For centuries, humans have looked up at the night sky and wondered about the mysteries of the universe. Space has inspired poets, artists,and musicians to create works of art that capture the beauty and wonder of the cosmos.Despite the many advancements we have made in our understanding of space, there is still much that remains unknown. Scientists are constantly pushing the boundaries of knowledge by sending spacecraft to explore distant planets, moons, and asteroids. These missions have provided us with valuable data that has reshaped our understanding of the solar system and the universe.In conclusion, space is a vast and mysterious place that holds countless wonders waiting to be discovered. From the stars in the night sky to the planets in our solar system, space continues to captivate our imaginations and inspire us to push the boundaries of knowledge. By exploring space, we can gain a better understanding of our place in the universe and the forces that govern its behavior. Whether we are studying the origins of the universe or marveling at the beauty of a distant nebula, space will always hold a special place in the hearts and minds of humans.。

航天知识英语竞赛试题及答案一、选择题1. Who is considered the father of modern rocketry?A. Robert H. GoddardB. Yuri GagarinC. Neil ArmstrongD. Wernher von BraunAnswer: A. Robert H. Goddard2. The International Space Station (ISS) orbits the Earth approximately how many times a day?A. 15B. 16C. 24D. 30Answer: B. 163. Which space mission successfully landed on Mars and sent back the first color pictures of the planet's surface?A. Viking 1B. Apollo 11C. Mars PathfinderD. Spirit RoverAnswer: A. Viking 14. What is the name of the first artificial satellitelaunched by the Soviet Union?A. Sputnik 1B. Explorer 1C. TelstarD. VanguardAnswer: A. Sputnik 15. Who was the first human to walk on the Moon?A. Yuri GagarinB. Neil ArmstrongC. Buzz AldrinD. Alan ShepardAnswer: B. Neil Armstrong二、填空题6. The first human-made object to reach the Moon was ________, launched by the United States in 1959.Answer: Pioneer 47. The Apollo program was a series of ________ lunar missions carried out by the United States' National Aeronautics and Space Administration (NASA).Answer: manned8. The Hubble Space Telescope was launched into space by the Space Shuttle ________ in 1990.Answer: Discovery9. The Mars rover ________ was the first rover to drill into Mars' surface to collect samples.Answer: Curiosity10. The first woman to walk in space was ________, a Soviet cosmonaut.Answer: Svetlana Savitskaya三、简答题11. What is the purpose of a space telescope, and why is it advantageous to have them in space rather than on Earth?Answer: A space telescope is designed to observe distant objects in space without the distortion caused by Earth's atmosphere. The main advantage of having a space telescope is that it can capture clearer images and observe parts of the electromagnetic spectrum that are not visible from the ground due to atmospheric interference.12. Explain the concept of a geostationary orbit and its significance.Answer: A geostationary orbit is a circular orbit in Earth's equatorial plane at an altitude of approximately35,786 kilometers (22,236 miles). Satellites in geostationary orbit have an orbital period equal to the Earth's rotation period, which means they appear to be stationary in the sky. This is significant for communication and weather monitoringsatellites, as they can maintain a constant position relative to the Earth's surface.结束语This set of questions is designed to test your knowledge of space exploration and its history. We hope it has been a fun and educational experience for you. Keep exploring the cosmos, both in your studies and in your imagination!。

双语热点：神舟十二飞船出征！附外太空英文词汇神舟十二号中国载人航天飞船已经准备就绪，瞄准北京时间6月17日9时22分发射。

飞行乘组由航天员聂海胜、刘伯明和汤洪波组成，聂海胜担任指令长，备份航天员为翟志刚、王亚平、叶光富。

The Shenzhou-12 manned spaceship will be launched at 9:22 am Thursday (Beijing Time) from the Jiuquan Satellite Launch Center in northwest China, announced the China Manned Space Agency (CMSA) on Wednesday.The spaceship will take three male astronauts -- Nie Haisheng, Liu Boming and Tang Hongbo -- into space for the construction of China's space station, said Ji Qiming, assistant to the director of the CMSA, at a press conference held at the launch center.这3名航天员将成为空间站天和核心舱的首批“入住人员”，他们将执行天地同步作息制度进行工作生活，开展舱外维修维护、设备更换、科学应用载荷等一系列操作。

驻留约3个月后，搭乘飞船返回舱返回东风着陆场。

神舟十二号3名宇航员简介我们中国人创造了属于自己的空间站，送我们自己的航天员上九天揽月，而我们的目标，是无尽的星辰大海。

致敬英雄，祝愿凯旋归来！Here are some basic facts about the three astronauts:聂海胜：再上苍穹Born in 1964, Nie became an astronaut in 1998 and has been to space twice, on the Shenzhou-6 and Shenzhou-10 missions.Shenzhou-6, conducted in 2005, was China's first space mission with more than one astronaut, while Shenzhou-10, launched in 2013, tested docking technology.Nie, the most experienced crew member, will lead the team on the Shenzhou-12 mission, including long-time operations outside the cabin aided by machine arms.He is the oldest astronaut in China. "I just want to go to space," he said before the Shenzhou-10 mission.In a separate press conference with the three astronauts, Nie told reporters that he felt fortunate to be among the first people to enter the Chinese space station."We have the blessings of the people, the support of the staff and the skills learned from training," he said. "I'm confident we can successfully carry out this mission."刘伯明：满怀信心迎接一切挑战Liu is not young either. Born in 1966, he was selected as an astronaut together with Nie Haisheng.During the Shenzhou-7 mission in 2008, Liu helped Zhai Zhigang to conduct a spacewalk.Liu learned about manned space missions during high school and applied to be come a military pilot without the knowledge of his parents. He became a fighter jet pilot in 1990 and has recorded more than 1,000 hours of safe flying.He is a major general in the People's Liberation Army.This time, Liu is facing a much harder job."I have to stay longer outside of the cabin and carry out much more complicated jobs," he told reporters. "But we have gone through systematic training sessions and will wear our new-generation space suits. I have more confidence to finish my job than last time."汤洪波：这一次，我的坐骑是火箭Tang, 45, is a second-generation astronaut with 11 years of experience. It took much longer than he expected to be selected for a real space mission."I knew I had to remain tough," he told CMG. "But I didn't know I needed to stay tou gh for such a long time."He was a backup astronaut for 2016's Shenzhou-11 mission."I have been preparing for the last decade," he said. "I hope I can spend my next decade contributing to the space station."Tang admitted he's a bit nervous about the mission."There's some pressure definitely," he told media. "But I believe I can turn the stress into motivation."Two other astronauts, Deng Qingming and Ye Guangfu, had been rumored to be among the Shenzhou-12 astronauts. Ye has been selected to be a backup for the mission, together with Zhai Zhigang and Wang Yaping.orbit英[ˈɔ:bɪt] 美[ˈɔ:rbɪt]n.asteriod英[ˈæstərɔɪd] 美[ˈæstəˌrɔɪdcomet英[ˈkɒmɪt] 美[ˈkɑ:mət]n.star英[stɑ:(r)] 美[stɑr]n.constellation英[ˌkɒnstəˈleɪʃn] 美[ˌkɑ:nstəˈleɪʃn]n.THE SOUTHERN CROSSn.The Big Dippern.solar eclipse英[ˈsəuləiˈklips] 美[ˈsolɚɪˈklɪps]n.lunar eclipse英[ˈlju:nəiˈklips] 美[ˈlunɚɪˈklɪps]n.galaxy英[ˈgæləksi] 美[ˈɡæləksi]n.telescope英[ˈtelɪskəʊp] 美[ˈtelɪskoʊp]n.astronaut英[ˈæstrənɔ:t] 美[ˈæstrəˌnɔt]spacecraft英[ˈspeɪskrɑ:ft] 美[ˈspeɪskræft]n.rocket英[ˈrɒkɪt] 美[ˈrɑ:kɪt]n.space proben.lunar module美[ˈluːnər ˈmɑːdʒuːl] 英[ˈluːnə(r) ˈmɒdjuːl]n.此外，你知道中国的航天事业给英语贡献了一个极有中国特色英语新词吗？说到“宇航员”，你第一反应想到的词是不是“astronaut”？但你知道吗，不同国家的宇航员还拥有不一样的说法。

Lesson48Communications Satellites1. In a world that is becoming more and more interdependent, there is an ever-increasing need to link communications systems on various continents and to provide live international television coverage, This need is now being met by the communications satellites.1.在一个变得更加相互依存的世界中有不断增加的需要上的链接通信系统世界各大洲,并提供国际电视直播覆盖范围,这种需要是如今遭到communicatians卫星。

2. Communications satellites make use of technology that hasbeen available for some time;the microwave radio relay.Microwaves, whic h have a higher frequency than ordinary radiowaves, are used routinely in sending thousands of telephone callsand television programs across long distances. They give high-quality performance, and they can carry many messages at thesame time.2.通信卫星使有的技术的使用已经一段时间;可用微波无线电中继。

微波炉、有较高的频率比普通的无线电波,用于定期发送成千上万的电话和跨远距离的电视节目。

高考英语缩略词与缩写扩展练习题30题含答案解析1. What does “WTO” stand for?A. World Trade Organization答案解析：“WTO”是“World Trade Organization”的缩写。

世界贸易组织（World Trade Organization），简称世贸组织（WTO），是一个独立于联合国的永久性国际组织，其主要职能是负责管理世界经济和贸易秩序等，总部设在瑞士日内瓦。

2. The abbreviation “NASA” refers to _.A. National Aeronautics and Space Administration答案解析：“NASA”是“National Aeronautics and Space Administration”的缩写。

美国国家航空航天局（（National Aeronautics and Space Administration），简称NASA，是美国联邦政府的一个行政性科研机构，负责制定、实施美国的民用太空计划与开展航空科学暨太空科学的研究等。

3. “CPU” is short for _.A. Central Processing Unit答案解析：“CPU”是“Central Processing Unit”的缩写。

中央处理器（Central Processing Unit），简称CPU，是计算机的运算核心和控制核心，它的功能主要是解释计算机指令以及处理计算机软件中的数据。

4. Which is the full form of “DIY”?A. Do It Yourself答案解析：“DIY”是“Do It Yourself”的缩写。

“Do It Yourself”即自己动手做，在很多场景下使用，比如家居装修、手工制作等领域，倡导人们自己动手进行创造和改造。

5. “PDF” stands for _.A. Portable Document Format答案解析：“PDF”是“Portable Document Format”的缩写。

关于nasa的英语作文Title: Exploring the Universe: The Impact of NASA。

The National Aeronautics and Space Administration (NASA) stands as a beacon of human ingenuity, exploration, and discovery. Since its inception in 1958, NASA has propelled humanity beyond the confines of Earth, delving into the mysteries of space and advancing our understanding of the cosmos. Through its missions, research, and technological innovations, NASA has left an indelible mark on both scientific progress and the human imagination.Firstly, NASA has been instrumental in expanding our knowledge of the solar system and the universe beyond. Through groundbreaking missions like the Apollo moon landings, the Voyager probes, and the Mars rovers, NASA has provided humanity with unprecedented insights intocelestial bodies and their environments. These missionshave not only unveiled the secrets of distant worlds but have also paved the way for future exploration andcolonization beyond Earth.Moreover, NASA's research efforts have significantly contributed to our understanding of Earth itself.Satellites and instruments developed by NASA have enabled scientists to monitor climate change, track weather patterns, and study natural disasters with unparalleled precision. By collecting data from space, NASA has empowered policymakers, researchers, and citizens with the information needed to address global challenges and protect our planet for future generations.Furthermore, NASA's technological innovations have revolutionized various fields, from aerospace engineering to medical science. Technologies initially developed for space exploration, such as lightweight materials, advanced propulsion systems, and life support systems, have found applications in everyday life. From cordless power tools to memory foam mattresses, the spin-off technologies from NASA's research have permeated numerous industries, improving efficiency, safety, and quality of life for people around the world.Beyond its scientific and technological contributions, NASA has also inspired generations of individuals to pursue careers in STEM (science, technology, engineering, and mathematics). The iconic images of astronauts floating in space, the awe-inspiring footage of rocket launches, and the tales of human perseverance in the face of adversity have captivated audiences worldwide. Through educational programs, outreach initiatives, and collaborations with schools and universities, NASA continues to nurture the next generation of scientists, engineers, and explorers, ensuring that humanity's quest for knowledge and adventure will endure.In conclusion, NASA's impact on humanity transcends the boundaries of space and time. From unraveling the mysteries of the cosmos to safeguarding our home planet, NASA's contributions to science, technology, and education are immeasurable. As we look to the future, NASA remains at the forefront of exploration, pushing the boundaries of human achievement and inspiring us to reach for the stars. Through its endeavors, NASA continues to ignite ourcuriosity, expand our horizons, and remind us of the boundless potential of the human spirit.。

科学没有国界但科学家有祖国英语作文全文共6篇示例，供读者参考篇1Science Has No Borders, But Scientists Have HomelandsHi there! My name is Lily and I'm 10 years old. Today, my teacher asked us to write an essay about the idea that "Science has no borders, but scientists have homelands." At first, I wasn't sure what that meant, but after some thinking, I think I understand it now. Let me share my thoughts with you!Science is like a giant puzzle that people all over the world are working on together. It doesn't matter what country you're from or what language you speak – if you're a scientist, you're trying to figure out how the universe works. Scientists share their discoveries and ideas with each other, no matter where they live. That's why we say "science has no borders."For example, let's talk about space exploration. NASA (that's the National Aeronautics and Space Administration in the United States) sent astronauts to the moon. But they didn't do it all alone! Scientists and engineers from many different countries helped design the rockets, spacesuits, and other equipmentneeded for the mission. Even though the astronauts were American, the science behind the moon landing belonged to people all over the world.Or think about medicine. Doctors and researchers are always working hard to find cures for diseases like cancer, COVID-19, and malaria. They share their research with other scientists globally so that everyone can learn from each other's work. A scientist in India might make a discovery that could lead to a new treatment in Mexico. Science brings the whole world together for the greater good of humanity.But even though science doesn't have borders, scientists themselves have homelands – the countries or cultures they grew up in. Their homelands shape who they are and how they see the world. Let me give you an example from my own life.My best friend Maya is really good at math and science. Her family is from India originally, and she told me that her grandparents used to work on rockets for the Indian Space Research Organization (ISRO). Maybe that's why Maya loves learning about space so much! She's really proud of India's achievements in science and technology.On the other hand, my family is from China, and my parents are always telling me stories about great Chinese scientists andinventors from history. Like Zhang Heng, who invented the first seismometer to detect earthquakes way back in 132 AD! Or Joseph Needham, the British scientist who studied ancient Chinese science and technology. Hearing stories like these makes me feel connected to my Chinese heritage and the long tradition of scientific exploration there.I think every scientist has a homeland that helped shape their curiosity and passion for understanding the world around them. Maybe their homeland inspired their love of nature or gave them role models to look up to. Maybe their cultural traditions encouraged them to ask questions and seek knowledge.At the same time, being part of the global scientific community means scientists get to share ideas and work together with people from all different homelands. They can take pride in their roots while still embracing science as a universal language that brings the whole world closer.In my opinion, having homelands doesn't divide scientists at all. Instead, it makes science richer because we get to combine all the different perspectives, experiences, and ways of thinking that people from diverse backgrounds bring to the table. The morescientists can learn from each other's cultures and traditions, the more amazing discoveries we'll make together.Like my teacher always says, "United minds can conquer any problem!" As long as scientists keep collaborating across borders while celebrating where they came from, there's no limit to what we can achieve. Who knows – maybe someday a scientist like me will find the cure for cancer or figure out how to travel to other planets!For now, I'll just keep studying hard, asking lots of questions, and dreaming big. The world of science is wide open, waiting for kids like me to explore it. No matter where we're from, the universal language of science will help guide the way as we uncover the mysteries of the universe, side by side. What an exciting adventure!篇2Science Has No Borders, But Scientists Have a HomelandHi there! My name is Timmy and I'm 10 years old. Today I want to talk to you about something really important - science and how it relates to countries and borders. It's a big topic but I'll do my best to explain it in a way that makes sense.First, let's talk about what science actually is. Science is all about studying the world around us through observations and experiments to learn how things work. Scientists ask questions, make hypotheses or educated guesses, test those guesses, and then draw conclusions based on the evidence they find. The cool thing about science is that it doesn't care what country you're from or what language you speak. The laws of physics, chemistry, biology and other sciences apply everywhere on Earth (and beyond!).For example, if a scientist in America discovers a new species of frog, that discovery doesn't just belong to America. Scientists all over the world can study that new frog and learn from it. Or if a physicist in China figures out a new equation about how gravity works, every other physicist on the planet can use that equation too. Science has no borders! The knowledge spreads across countries and continents because science is universal. In that way, science belongs to the whole world and brings people together.But here's where it gets a little tricky. Even though science itself doesn't have borders, the scientists who do the science are human beings who live in specific places and have a homeland or country they belong to. Most scientists were born and grew up in a particular country, maybe learned the local language andcustoms, and develop a sense of belonging and loyalty to that place. Their home country helped shape who they are.That homeland connection matters because it can influence what kinds of scientific questions a scientist gets interested in studying. A scientist from a coastal country might be really curious about ocean life and ecosystems. A scientist from the mountains might focus more on geology and landscapes. An astronomer from a country with a great telescope might spend a lot of time studying the stars. You get the idea!Countries also provide funding and resources that allow scientists to do their research. They build universities, labs, telescopes, satellites, and all the tools scientists need. So scientists often feel thankful and loyal to their homeland for giving them the opportunity to be a scientist in the first place.At the same time, scientists have to be objective and follow evidence over any national pride or bias. If the data shows something that contradicts what your home country wants to believe, a good scientist tells the truth about the evidence. Ignoring facts for patriotic reasons wouldn't be real science. That's one of the reasons international collaboration is so vital - scientists from different countries can check each other's work and make sure conclusions are solid.Another reason diversity in science is so valuable is that scientists from diverse backgrounds and cultures can bring new perspectives and different ways of looking at problems. If every scientist studying cancer was from the same country and had the same experiences, they might miss important insights. But including researchers from all over the world increases the chance of a breakthrough. Diversity makes science smarter!Speaking of diversity, let me tell you about a really cool scientist named Dr. Tiera Fletcher. She's an American chemist who grew up loving science but didn't see a lot of people who looked like her in science careers. Now she's achieved great things like creating glow-in-the-dark materials using bioluminescence from fireflies and jellyfish! And she's using her success to inspire more girls and minorities to get involved in STEM fields. She clearly has pride in being an American scientist bringing positive change. But her work and the science behind it can benefit kids all around the globe. That's the power of science without borders!So in the end, while science may be universal and belong to the world, scientists are people who come from somewhere specific and have connections to a homeland culture. Those ties to a particular place don't make their scientific discoveries anyless valid or important. We just have to remember that mixing diverse perspectives and letting the evidence speak for itself, not national loyalty, is what truly advances human knowledge.Thanks for reading my essay! I tried to cover a pretty big concept as best I could. Science is amazing and I can't wait to see what new breakthroughs scientists from all over the world will make next. Stay curious!篇3Science Has No Borders, But Scientists Have a HomelandHi there! My name is Jamie and I'm 10 years old. Today I want to talk to you about something really important - science! Science is super cool and helps us understand the world around us. But did you know that even though science doesn't have any borders or boundaries, the people who do science (called scientists) actually do have a homeland? Let me explain what I mean.Science is universal - it doesn't matter where you're fromOne of the best things about science is that it's the same no matter where you go in the world. The laws of physics, chemistry, biology and all the other sciences apply everywhere, from thebiggest cities to the smallest villages. Whether you're in New York, Tokyo, Rio de Janeiro or a tiny island in the Pacific Ocean, gravity still makes things fall down, water still boils at 212°F (100°C), and plants still need sunlight, water and nutrients to grow. Science has no borders!Scientists from all over have made amazing discoveries and inventions that help people everywhere. For example, the mathematician Pythagoras was from Greece but his famous theorem about right-angled triangles is used by people everywhere today. Or think about Marie Curie who was born in Poland but did her Nobel Prize-winning work on radioactivity in France. Or Albert Einstein from Germany whose theories of relativity revolutionized our understanding of the universe. Science brings people together from all around the world to share ideas and make the world a better place.It doesn't matter what language you speak, what religion you practice, or what country you're a citizen of - if you use the scientific method of observing, experimenting, and analyzing data, then you are a scientist! Science is a universal language that anyone can learn and participate in. That's why lots of big science projects involve teams of researchers from manydifferent countries all working together. Science has no borders and belongs to everyone in the world.But scientists themselves still have homelandsWhile science may be universal and have no borders, the people who do science - the scientists themselves - are still from particular places with their own cultures and backgrounds. Every scientist has a homeland where they grew up learning the language, celebrating the holidays, eating the foods, and absorbing the traditions of that place. You can take the scientist out of their homeland, but you can't take the homeland out of the scientist!For example, Marie Curie may have done her famous work in France, but she was born in Warsaw, Poland and carried her Polish culture, language and identity with her wherever she went. Or think of Albert Einstein - he spent most of his amazing scientific career in places like Switzerland, Germany and the United States. But he was born and raised in Germany, celebrating German holidays, speaking the German language, and being shaped by German culture. His unique perspective as a German scientist contributed to his revolutionary theories about space, time and energy.A scientist's homeland and cultural background can influence how they approach problems and the types of questions they ask. Their native languages, beliefs, values and life experiences all provide a unique lens through which they view the world. By bringing together scientists from diverse homelands, we get teams with multiple perspectives working on solving the biggest challenges facing humanity.Every scientist feels pride for their homelandAnother reason why scientists have a homeland is because it's human nature to feel pride for the place you were born and came from. When a scientist makes an important breakthrough or wins a major award like the Nobel Prize, people in their homeland country feel an extra sense of pride, celebration and joy. The scientist's accomplishments make their whole nation proud!For example, when Donna Strickland won the 2018 Nobel Prize in Physics for her work on high-intensity laser pulses, it was a moment of great national pride for Canadians since she is from Guelph, Ontario. Or in 2014 when Malala Yousafzai was awarded the Nobel Peace Prize at just 17 years old for her advocacy for girls' education, it made all Pakistanis beam with pride that she was from their homeland. Scientists feel immense priderepresenting their homelands on the world stage when they achieve something remarkable.I'll always rep my homeland of Australia when I become a scientist! I can't wait to eat Vegemite sandwiches in the lab and put a Aussie flag on my lab coat. Maybe I'll even name one of my big discoveries "The Sydneyosaurus" or something to represent where I'm from Down Under. No matter how universal science gets, I'll always carry the Aussie spirit with me!Let's celebrate our homelands while coming together through scienceIn the end, we should celebrate the fact that scientists all have their own homelands that shape who they are. The diversity of cultures, perspectives, and experiences that scientists bring from their homelands is what allows science to grow and evolve in creative new ways. Science may be borderless, but it's powered by scientists who are formed by their native lands.At the same time, we should remember that science is a universal, global endeavor that unites people from all around the world. Scientists from every corner of the planet should collaborate and work together to solve problems and expand human knowledge. If we can celebrate our homelands while stillcoming together through the common language of science, that's the best of both worlds!So let's keep repping our homelands while practicing borderless science. I'll be the kid scientist from Australia working with my friends from Japan, Brazil, Tanzania and everywhere else to unlock the mysteries of the universe. We may be from different homelands, but we're all scientists who are part of the same universal human family. United through science, there's no limit to what we can discover and achieve!篇4Science Has No Borders, But Scientists Have a HomelandHi! My name is Alex and I'm 10 years old. Today I want to talk to you about science and how even though science doesn't have any borders or boundaries, the people who do science (called scientists) all have a homeland - a country where they were born and grew up.What is science? Science is about discovering and learning new things about the world around us through observation and experimentation. Scientists study everything - from the tiniest atoms to the biggest galaxies in space! Some scientists study plants and animals. Others study the human body and try to findcures for diseases. Some even study the weather and climate. Scientists are pretty much studying every single thing in the universe to learn how it works.The really cool thing about science is that it doesn't belong to any one country or group of people. Science is universal - it's for everyone in the world to learn and explore no matter where you live. The laws of science, like gravity or how plants grow, are the same everywhere on Earth. When a scientist in China learns something new about black holes, that knowledge belongs to the whole world, not just China. And if a scientist in Brazil discovers a new species of frog, that discovery is for everyone, not just Brazilians. Science has no borders!But even though science itself doesn't have borders, the scientists who do science all come from different homelands or countries. A scientist could be born and raised in France, Japan, Nigeria, Canada, or any other nation in the world. Every scientist has a place they call home - it's the country where they grew up, went to school, and first learned about science as a kid. The homeland shapes who a scientist is and how they view the world. It's a huge part of their identity.My homeland is the United States. I was born in New York City and have lived here my whole life. I love so many thingsabout the US - the diverse people and cultures, the amazing cities, the beautiful national parks. Even though science doesn't belong to any one country, I feel very proud that many important scientists were born in America, like Benjamin Franklin, Thomas Edison, and the Wright Brothers. Their American homeland and upbringing shaped who they were as scientists and inventors.At the same time, the United States has benefited tremendously from brilliant scientists born in other homelands. Albert Einstein was born in Germany before moving to America. Jadav Chandra Bose, who made篇5Science Has No Borders, But Scientists Have a HomelandHi there, my name is Emma, and I'm a 10-year-old student who loves science! Today, I want to share my thoughts on an important topic: "Science has no borders, but scientists have a homeland."What does this phrase mean? Well, let me explain.Science is like a big, beautiful garden filled with knowledge and discoveries. It's a place where curious minds come together to learn about the world around us. Whether you're studyingplants, animals, the stars, or anything else, science helps us understand how things work.Now, when we say "science has no borders," it means that science belongs to everyone, no matter where you're from or what language you speak. Science is like a universal language that everyone can understand and contribute to.For example, let's say a scientist in China makes an amazing discovery about how to grow better crops. That discovery can help farmers all over the world, no matter what country they live in. Science doesn't care if you're Chinese, American, African, or from anywhere else – it's for everyone!But here's the cool part: even though science has no borders, scientists do have a homeland. What does that mean? Well, it means that every scientist comes from a specific place, with its own culture, traditions, and way of life.Imagine a scientist named Aisha from Egypt. She might study science using the same methods as scientists from other countries, but she also brings her own unique perspective and experiences to her work. Maybe she's inspired by the ancient Egyptian pyramids or the Nile River. Her homeland shapes who she is and how she approaches her research.Or think about a scientist named Javier from Mexico. He might be fascinated by the diverse plant life in his country and want to learn more about how different species adapt to their environments. His love for his homeland might inspire him to study biology and help protect the natural world.You see, scientists come from all over the globe, with different backgrounds and stories. But they all share a passion for discovery and a desire to make the world a better place through science.That's why it's so important to have scientists from many different countries and cultures working together. Each one brings their own unique perspective and experiences to the table, and when we combine all those perspectives, we can learn and discover even more!Imagine if only scientists from one country studied space. They might miss out on important insights or ideas from scientists in other parts of the world. But when scientists from different homelands collaborate, they can share their knowledge and push the boundaries of what we know about the universe.The same goes for any field of science – medicine, technology, environmental studies, you name it! By working together and learning from each other's cultures andexperiences, scientists can make incredible breakthroughs that benefit everyone on our planet.So, while science has no borders and belongs to all of humanity, scientists have a special connection to their homelands. Their cultures, traditions, and experiences shape who they are and how they approach their work. And when scientists from different homelands come together, it's like a beautiful tapestry of knowledge and understanding.That's why I love science so much – it's a world of endless discovery, where people from all over the globe can share their ideas and work together to make the world a better place. And even though scientists have different homelands, they're all united by their love of learning and their desire to explore the mysteries of the universe.Who knows, maybe one day I'll become a scientist too, and I can contribute my own unique perspective to the amazing world of science! But for now, I'll keep learning, exploring, and appreciating the incredible diversity of scientists and their homelands.Science has no borders, but scientists have a homeland –and that's what makes science so special and full of wonder.Together, we can unlock the secrets of the universe, one discovery at a time!篇6Science Has No Borders, But Scientists Have a HomelandHi everyone! My name is Emily, and I'm 10 years old. Today, I want to talk to you about something really important – science and scientists. You see, science is amazing! It helps us understand the world around us and creates cool new inventions that make our lives better.But here's the thing – science doesn't belong to any one country or group of people. It's like a big, awesome playground where everyone can come and play, no matter where they're from or what they look like. Science has no borders!Think about it this way: when a scientist in China makes a new discovery, that discovery doesn't just belong to China. It belongs to the whole world! Because science is about sharing knowledge and working together to learn more. Whether you're from America, Japan, Brazil, or anywhere else, you can be a scientist and contribute to making the world a better place.That's the beauty of science – it brings people together from all over the globe to solve problems and explore the mysteries of the universe. It's like one big international team where everyone's ideas are welcome.But here's something important to remember: even though science has no borders, scientists do have a homeland. You see, every scientist comes from somewhere – a place where they grew up, went to school, and learned to love science.For me, that place is the United States of America. I was born here, and I'm proud to be an American. This is my homeland, the place that helped shape who I am today. And you know what? I bet lots of other scientists feel the same way about their own homelands.Maybe there's a scientist in India who feels a special connection to their country and its rich scientific history. Or a scientist in Kenya who is inspired by the amazing wildlife and landscapes of their homeland. Every scientist has a place that made them who they are, and that's something to be proud of.At the same time, being proud of your homeland doesn't mean you can't work with scientists from other countries or appreciate their contributions. In fact, that's one of the coolestthings about science – it brings people together from all over the world to collaborate and share ideas.Imagine if scientists only worked with other scientists from their own country and ignored everyone else's research. That would be terrible! We'd miss out on so many amazing discoveries and inventions. Science thrives when we work together, share our knowledge, and learn from each other's perspectives.That's why it's important to remember that while science has no borders, scientists have homelands – special places that helped shape their love of science and their unique experiences. And by working together and respecting each other's backgrounds, we can make the world an even more amazing place through science.So, let's celebrate our homelands and be proud of where we come from. But let's also remember that science is a global effort, and by collaborating with scientists from all over the world, we can solve the biggest challenges facing our planet.Who knows? Maybe one day, a scientist from America will team up with a scientist from China to cure a deadly disease. Or maybe a scientist from Brazil will work with a scientist from Australia to develop a new type of renewable energy. Thepossibilities are endless when we break down borders and work together in the name of science.At the end of the day, science is a universal language that brings people together. And while scientists may come from different homelands, we all share a common goal: to make the world a better place through knowledge, curiosity, and understanding.So let's keep exploring, learning, and working together as one big global scientific community. Because when it comes to science, there are no borders – only endless possibilities waiting to be discovered!。