A green channel of understanding profile grinding
- 格式:docx
- 大小:92.27 KB
- 文档页数:2
小学上册英语第3单元寒假试卷英语试题一、综合题(本题有100小题,每小题1分,共100分.每小题不选、错误,均不给分)1. A ____ is a tiny bird that collects twigs for nests.2.I like to volunteer at the ______ (动物收容所). It feels good to help animals in need.3.What do you call a small, round fruit that is usually red or green?A. PearB. AppleC. CherryD. PlumB4.I love trying new recipes. Recently, I made __________.5.Light can be split into different colors using a _______.6.The __________ (历史的回味) lingers.7.The minerals found in rocks can determine their ______.8.The ______ is essential for many ecosystems.9.What do you call a group of stars forming a pattern?A. GalaxyB. ConstellationC. ClusterD. NebulaB10.The chemical formula for methane is _____.11.I like to keep my __________ (玩具名) __________ (形容词).12.I saw a ladybug on the ________.13.What is the capital of Argentina?A. Buenos AiresB. SantiagoC. LimaD. BogotaA14.Which instrument has keys and is played by pressing?A. GuitarB. ViolinC. PianoD. Drums15.I help my mom with __________. (做饭)16.How many players are there in a basketball team?A. 5B. 7C. 9D. 11A17. A _______ is a reaction that produces heat and light.18.What is the sound a cow makes?A. MeowB. WoofC. MooD. Quack19. Fire of London occurred in ______ (1666年). The Grea20.What is the capital of Sri Lanka?A. ColomboB. KandyC. GalleD. JaffnaA Colombo21.古代的________ (religions) 影响了人们的生活和信仰。
小学上册英语第四单元真题试卷(有答案)英语试题一、综合题(本题有100小题,每小题1分,共100分.每小题不选、错误,均不给分)1.What do we call a young ostrich?A. ChickB. CalfC. KitD. Fawn答案:A.Chick2.We are going to a ________ (音乐会).3.The starfish can regenerate lost ______ (部分).4.The boy plays the ________.5.My _______ (兔子) is curious about everything.6.The __________ is a famous area known for its art.7.My uncle shares his __________ (知识) about fishing.8.The __________ (历史的轮回) reminds us of the cyclical nature of events.9.What is the term for the movement of the Earth around the sun?A. RotationB. RevolutionC. OrbitD. Spin答案: B10.Which planet is known as the Red Planet?A. EarthB. MarsC. JupiterD. Saturn答案:B11.The ______ is the path of the Earth around the sun.12.Asteroids are mostly found in the _______ belt.13.My favorite fruit is ________ (葡萄) in summer.14.The ancient city of Pompeii was buried by the eruption of ______ (维苏威火山).15.What shape has three sides?A. SquareB. TriangleC. CircleD. Rectangle答案: B16.My pet fish swims around its ______ (鱼缸).17.What do you call the process of learning and gaining knowledge?A. EducationB. RecreationC. VacationD. Celebration答案:A18.The country known for its ancient ruins and temples is ________ (以古代遗址和庙宇闻名的国家是________).19.根据图片把下列单词补充完整。
写一篇理解读书是人类进步的阶梯的英语作文全文共3篇示例,供读者参考篇1Reading: The Ladder to Human AdvancementEver since the dawn of civilization, reading has been an integral part of the human experience, serving as a conduit for knowledge, wisdom, and progress. It is a bridge that spans the vastness of time and space, connecting us to the thoughts, ideas, and experiences of those who came before us, and paving the way for those who will come after. In the grand tapestry of human history, reading stands as a profound and indispensable thread, weaving together the past, present, and future in a tapestry of enlightenment.As a student, I have come to understand the immense power that reading holds in shaping our minds, broadening our horizons, and propelling us forward on the path of personal growth and societal advancement. It is an exercise in empathy, enabling us to step into the shoes of others, to explore different worlds, and to gain a deeper understanding of the human condition in all its complexities.Through the pages of books, we bear witness to the triumphs and tribulations of those who have come before us, gleaning invaluable lessons from their successes and failures. The annals of history are etched with the indelible ink of the written word, preserving the stories of great leaders, thinkers, and pioneers whose ideas and actions have shaped the course of human civilization.In the realm of literature, we encounter the boundless imaginations of authors who transport us to realms of fantasy and whimsy, challenging our perceptions and igniting our creativity. The pages of a novel are not mere words on paper; they are portals to new worlds, inviting us to explore the depths of the human psyche, to confront our fears and desires, and to emerge with a newfound appreciation for the richness and complexity of the human experience.The pursuit of knowledge through reading is a journey without end, for with each book we open, we uncover new horizons and unlock the doors to untold possibilities. Whether delving into the intricacies of science, unraveling the mysteries of the universe, or exploring the nuances of philosophy and art, reading acts as a catalyst for intellectual growth, fostering criticalthinking, and inspiring us to question the boundaries of our understanding.In an era where information is readily available at our fingertips, the art of reading takes on even greater significance. It teaches us to sift through the deluge of data, to discern truth from falsehood, and to cultivate the invaluable skill of critical analysis. By engaging with the written word, we hone our ability to reason, to question, and to form well-informed opinions, equipping us to navigate the complexities of the modern world with clarity and wisdom.Moreover, reading is not merely a solitary endeavor; it is a shared experience that binds communities together, fostering dialogue, and promoting the exchange of ideas. Book clubs, literary festivals, and academic discussions provide platforms for diverse voices to converge, challenging preconceived notions and sparking intellectual discourse that propels society forward.As we turn the pages of a book, we embark on a journey of self-discovery, gaining insights into our own thoughts, emotions, and beliefs. The written word has the power to inspire, to comfort, and to challenge us, prompting us to reflect on our own lives and to chart new paths toward personal growth and fulfillment.In the face of adversity and struggle, reading serves as a beacon of hope, offering solace and guidance. The words of those who have endured hardships and overcome obstacles become a source of strength, reminding us of the resilience of the human spirit and the boundless potential that lies within each of us.Furthermore, reading plays a pivotal role in preserving and celebrating the rich tapestry of human culture and heritage. Through the written word, we can explore the traditions, customs, and beliefs of diverse peoples, fostering a deeper appreciation for the vibrant mosaic of our global community. It is a bridge that transcends borders and boundaries, connecting us to the shared experiences that unite us as a species.In an age of rapid technological advancement, where the pace of change is ever-accelerating, the ability to adapt and learn is paramount. Reading equips us with the adaptability and intellectual agility to navigate the complexities of the modern world, enabling us to embrace new ideas, acquire new skills, and remain relevant in a constantly evolving landscape.As I look ahead to the future, I am filled with a profound sense of gratitude for the gift of reading. It is a ladder that extends upward, beckoning us to ascend to new heights ofunderstanding, empathy, and personal growth. With each book we open, we take a step closer to realizing our full potential as individuals and as a collective humanity.In a world where knowledge is power, reading is the key that unlocks the door to progress, enlightenment, and human advancement. It is a testament to the indomitable spirit of human curiosity and the unquenchable thirst for knowledge that has propelled our species forward throughout the ages.As students, it is our responsibility to embrace the transformative power of reading, to cultivate a love for the written word, and to carry the torch of knowledge into the future. For in the pages of a book, we find not merely words, but the seeds of progress, the sparks of innovation, and the blueprints for a better world.Let us, then, embark on this journey together, turning the pages of history and exploration, and ascending the ladder of human advancement, one book at a time.篇2Reading Books as a Stairway to Human ProgressWe've all been told by our teachers and parents how important it is to read books. But do we really understand why?Books aren't just words on a page - they represent the accumulated knowledge and imagination of humanity across centuries. Every book we read is like a step up a monumental staircase, lifting us higher and giving us a broader perspective on the world and our place in it.I still remember the first book that truly opened my eyes as a child - a collection of Greek myths. The stories of gods and heroes like Zeus, Hercules and Odysseus sparked my imagination and made me realize there were entire civilizations and ways of looking at the world that were different from my own. It made me curious to learn more about those ancient cultures and how they viewed life, death, love and everything in between.That curiosity quickly spread to other subjects through the books I was given or picked up on my own. Books on animals and the natural world showed me the incredible diversity of life on this planet and how every species is exquisitely adapted to its environment through millions of years of evolution. History books recounted the epics of human societies rising and falling over time, allowing me to learn from both their triumphs and their tragic mistakes.Every book was a door into a new realm of knowledge and perspective. Some opened my eyes to injustice and inequality that I hadn't recognized before, like accounts of the Civil Rights movement or stories depicting the harsh realities of life in poverty. Others celebrated the achievements of science and human ingenuity, like vivid descriptions of our journey into space or narratives about groundbreaking inventions.As my reading expanded, I found books that fundamentally challenged the way I viewed the world itself. Writings by ancient and modern philosophers raised deep questions about the nature of reality, knowledge, ethics and the meaning of life that I had never seriously contemplated. Religious and spiritual texts introduced me to belief systems vastly different from the one I was raised with, causing me to reevaluate my assumptions.By reading voices from all backgrounds, time periods and schools of thought, I gradually escaped the limited bubble of my own circumstances and began to see the world through a multitude of lenses. I learned that for every question, there are multiple perspectives and viewpoints to consider before forming my own conclusions.This process continues every time I open a new book. Even if I don't agree with everything I read, it helps me identify my ownblindspots and assumptions. I'm forced to consider new information and ideas that I might otherwise never encounter in my daily life. A good book challenges me and pushes me to examine my beliefs more thoroughly, either strengthening my positions through deeper analysis or opening my mind to alternative ways of looking at things.Reading books is truly like climbing a staircase of wisdom that has been built by the thinkers and storytellers of every culture throughout human history. With every book I read, I'm joining a conversation that transcends time and space, engaging with ideas that have been passed down and added to over generations. I stand on the shoulders of those who came before and can see farther as a result.Of course, books don't just convey cold facts and data - they also spread important human values through the magic of storytelling. The struggles and triumphs of characters in literature, whether fictional or biographical, have shaped my understanding of virtues like integrity, courage, resilience and compassion in powerful ways that go beyond mere instruction. A well-told story burrows into our hearts and stays with us, informing how we approach life's difficulties and ethical choices.Beyond enriching our inner lives and personal growth, widely reading the written works of our civilizations and cultures is a vital stairway for human progress itself. All the technological marvels around us, from soaring skyscrapers to lifesaving medicines to this very computer I'm writing on, were made possible by the accumulated knowledge passed down through books over centuries. Every branch of science and philosophy has its roots in the earliest written records and builds on the findings and theories of those who came before.Even our concepts of democracy, human rights and justice find their foundations in the books of thinkers like John Locke, Thomas Paine, Mary Wollstonecraft and so many others whose ideas sparked revolutions of the mind. The vision for a free and equitable society was first articulated through the written word before it could be realized in practice.In this age of boundless information at our fingertips through the internet, some might argue that books have become outdated or irrelevant. After all, why read a book when you can just google something and get the condensed facts? The answer is that books provide depth, context and different viewpoints that a basic internet search simply cannot match. We may have more raw data available to us, but the wisdom to properlyanalyze and apply that data comes through close reading and engagement with broader ideas.Books allow us to debate the fundamental questions, immerse ourselves in other perspectives and explore the deepest complexities of the human experience in a way that database entries and listicles never could. Reading books stretches our thinking and sparks our curiosity in a way that passive consumption of facts and figures does not.That is why, even in this modern era of limitless information, books remain the crucial stairway to human progress and enlightenment. Every book we open is a chance to gain new knowledge, question our assumptions and expand our understanding. Every story contained in those pages carries the hopes, fears, dreams and philosophies that have shaped our civilizations and brought us to this point.Reading books connects us intimately with the minds of others, allowing us to soar across cultures, time periods and worldviews unlike anything else. In doing so, we climb ever higher on the staircase of collective wisdom built by all who came before. With each book, we pull ourselves up another step, seeing farther than we could before and catching a new glimpse of the way forward for humanity.So yes, I encourage everyone to read as much and as widely as possible. Fill your minds with the ideas and perspectives contained in those pages which were quite literally revised for generations in the hopes of elevating the human condition. Embrace your curiosity and let books guide you up the stairway of knowledge, understanding and progress. For it is only by climbing that staircase of wisdom, facing the challenges and complexities it presents to us, that humanity can continue its aspiration towards truth, justice and enlightenment.篇3Reading is the Ladder of Human ProgressThe world we live in today is shaped by the intellectual achievements and discoveries of those who came before us. From the ancient philosophers who contemplated the nature of existence to the modern scientists who unraveled the mysteries of the universe, human progress has been driven by a relentless pursuit of knowledge. At the heart of this quest lies the humble act of reading – a powerful tool that has unlocked the doors to understanding, enlightenment, and advancement throughout history.As a student, I have come to appreciate the transformative power of reading in ways that extend far beyond the confines of the classroom. Each book I pick up is a gateway to new realms of thought, a portal through which I can explore ideas, cultures, and perspectives that challenge and broaden my own worldview.One of the most remarkable aspects of reading is its ability to transcend the boundaries of space and time. Through the written word, we can journey to distant lands, immerse ourselves in foreign cultures, and even peer into the minds of those who lived centuries ago. This temporal and spatial transcendence is a profound gift, for it allows us to learn from the experiences and wisdom of those who came before us, ensuring that thehard-won lessons of history are not lost to the sands of time.Moreover, reading fosters empathy and understanding –virtues that are essential for human progress. When we read, we are invited to step into the shoes of characters from all walks of life, to experience their joys and sorrows, their triumphs and struggles. This vicarious experience cultivates a deeper appreciation for the rich tapestry of human experience, breaking down the barriers of prejudice and ignorance that so often impede our collective advancement.Beyond its intellectual and emotional benefits, reading also plays a crucial role in shaping the leaders and visionaries of tomorrow. Great thinkers and innovators throughout history have been avid readers, drawing inspiration and insight from the written works of those who came before them. Isaac Newton, for instance, credited his groundbreaking discoveries in physics to "standing on the shoulders of giants" – a reference to the intellectual giants whose works he had studied and built upon.In our modern age, the importance of reading has only grown more pronounced. As technology continues to reshape the world at a breathtaking pace, the ability to adapt and continuously learn has become a vital skill. Reading equips us with the knowledge and mental flexibility necessary to navigate this ever-changing landscape, enabling us to stay ahead of the curve and contribute to the ongoing march of progress.Yet, despite its unparalleled value, the act of reading is often underappreciated and neglected in our fast-paced, digital world. We are bombarded with a constant stream of information, much of it ephemeral and superficial, leaving little time or inclination for the deep, sustained engagement that reading demands.As students, it is our responsibility to buck this trend and embrace reading as a cornerstone of our personal andintellectual growth. By cultivating a love for the written word, we not only enrich our own lives but also contribute to the collective advancement of humanity.In the pages of books, we find the wisdom of the ages, the insights that have shaped civilizations, and the inspiration to push the boundaries of human knowledge ever further. Each time we open a book, we climb another rung on the ladder of progress, standing on the shoulders of those who came before us and reaching ever higher towards new horizons of understanding.So, let us embrace reading with open hearts and minds, recognizing it not merely as a means of acquiring knowledge, but as a noble pursuit that connects us to the rich tapestry of human experience and propels us towards a brighter, more enlightened future. For in the written word lies the key to unlocking the full potential of human progress, one page at a time.。
襄阳2024年11版小学四年级上册英语第5单元测验试卷(有答案)考试时间:90分钟(总分:110)B卷考试人:_________题号一二三四五总分得分一、综合题(共计100题共100分)1. 填空题:The _______ (兔子) has a fluffy tail.2. 选择题:What is the opposite of "noisy"?A. LoudB. QuietC. SilentD. Soft3. 听力题:The _____ is the distance light travels in one year.4. 填空题:I like to play ______ (排球) at school.5. 听力题:I like to ___ with my family. (spend time)6. 填空题:A ________ (植物观察员) documents findings.7. 听力题:Rocks that are formed from the compression of sediments are called ______ rocks.8. 填空题:The __________ (历史的涵养) cultivates appreciation.9. 选择题:What is the opposite of "light"?A. BrightB. HeavyC. SoftD. Hard答案: B. Heavy10. 填空题:My mom is a __________ (护理人员).11. 填空题:__________ (成分) of a mixture can vary in amount.12. 听力题:The ________ (discussion) promotes understanding.13. 填空题:My aunt makes __________ for us. (蛋糕)14. 听力题:The ____ has a long tongue and is often seen catching flies.15. 填空题:The turtle can live for more than ______ (百年).16. 填空题:A tortoise can live for over a ________________ (百年).17. 填空题:I enjoy _______ (参加)演出.18. 填空题:I can’t wait to invite friends to play with my __________ (玩具名).19. 听力题:The process of ______ can lead to the formation of new geological structures.20. 填空题:The _____ (香草) is used in cooking.21. 填空题:The __________ (历史的开阔) invites exploration.22. 填空题:We saw a ________ at the aquarium.What instrument has keys and is played by pressing?A. GuitarB. ViolinC. PianoD. Flute答案:C24. 填空题:We have a ______ (快乐的) celebration for achievements.25. 选择题:Which vegetable is orange and usually found in salads?A. CucumberB. TomatoC. CarrotD. Lettuce答案: C26. 填空题:The _____ (花卉) industry provides many jobs.27. 听力题:We have a picnic on the _____ (草地).28. 填空题:Do you prefer __________ (玩具名) or __________ (玩具名)?29. 听力题:The _____ of a planet can affect its climate.30. 填空题:My ________ (玩具名称) glows in the dark.31. 填空题:A ___ (小龙) is a mythical animal.32. 选择题:What do you eat for dessert?A. SoupB. SaladC. CakeD. RiceThe capital of Uganda is ________ (坎帕拉).34. 听力题:The dog is __________ in the yard.35. 填空题:The ______ (蜜蜂) are important for pollination.36. 选择题:What is the capital of France?A. RomeB. BerlinC. ParisD. Madrid37. 填空题:I love to explore new places with my toy ____. (玩具名称)38. 听力题:We have a _____ (野餐) planned.39. 选择题:What do we call a person who flies an airplane?A. DriverB. PilotC. SailorD. Engineer40. 选择题:What is the name of the fairy tale character who kissed a frog?A. Snow WhiteB. CinderellaC. The Princess and the FrogD. Rapunzel41. 听力题:A mixture of gases is called a _______ mixture.42. 听力题:The bee buzzes around _____.43. 听力题:The kids are _____ to the playground. (running)What is the capital of Latvia?A. RigaB. VilniusC. TallinnD. Kaunas45. 听力题:Sedimentary rocks are made from particles that have ______ together over time.46. 填空题:I saw a _____ (兔子) in my backyard.47. 选择题:What is the opposite of 'up'?A. DownB. LeftC. RightD. Across48. 听力题:The chemical formula for aluminum chloride is __________.49. 选择题:What type of animal is a dolphin?A. FishB. ReptileC. MammalD. Amphibian50. 填空题:In the evenings, I would like to walk along the ______ and watch the sun ______ over the horizon. It must be a breathtaking sight! I also want to meet new ______ and learn about their culture. I believe it would be fun to make new friends from dif51. 选择题:What do you call the winter sport of sliding down snow?A. SkiingB. SurfingC. SkatingD. Snowboarding答案:A52. 填空题:My __________ (玩具名) is my best __________ (名词) during playtime.53. 听力题:Astronomers use radio waves to study _______ objects.54. 听力题:My cousin is a ______. She loves to play the guitar.55. 听力题:In chemistry, we use ______ to represent elements.56. 听力题:We will _______ (travel) to the mountains.57. 选择题:Which animal is known as "man's best friend"?A. CatB. DogC. RabbitD. Bird答案: B58. 听力题:Inertia is the tendency of an object to stay at ______ (rest).59. 选择题:What is the capital of Iraq?A. BaghdadB. BasraC. ErbilD. Mosul60. 选择题:What is the term for a young wolf?A. PupB. CubC. KitD. Whelp答案:A. Pup61. 听力题:Plants use sunlight to make their own _______.62. 选择题:How many days are in February during a leap year?A. 28B. 29C. 30D. 31答案: B63. 选择题:What do you call a young male owl?A. OwletB. ChickC. CubD. Kit64. 选择题:What is the main purpose of a refrigerator?A. To cook foodB. To keep food coldC. To wash dishesD. To store clothes65. 听力题:The chemical formula for iron (III) oxide is _______.66. 填空题:The first successful powered flight lasted _______ seconds. (12)67. 填空题:I like to listen to ______ (音乐) while I paint or draw.68. 选择题:What do we call the process of plants taking in carbon dioxide and releasing oxygen?A. RespirationB. TranspirationC. PhotosynthesisD. Decomposition答案: C. Photosynthesis69. 填空题:I love _______ (听故事) from my grandma.70. 填空题:The ______ (小鱼) swims gracefully through the clear water.71. 填空题:When I write a card to my friend, I start with "To my dear __."(当我给我的朋友写卡片时,我开始写“致我亲爱的。
小学下册英语第6单元测验卷[有答案]英语试题一、综合题(本题有50小题,每小题1分,共100分.每小题不选、错误,均不给分)1 A ferret is very ________________ (好奇).2 The Hubble Space Telescope has provided many stunning images of _______.3 The giraffe has a long _______ (脖子) to reach leaves.4 The ________ (光合作用) process is vital.5 The _____ (叶) changes color in the fall.6 He is flying a ___. (kite)7 What is the name of the famous landmark in Paris?A. Big BenB. ColosseumC. Eiffel TowerD. Statue of Liberty8 A __________ is a mixture that can be separated by filtration.9 We go to school by ________ (自行车).10 A _____ (植物资源利用) can promote sustainability.11 I got a new ________ for my birthday.12 What is the name of the plant that produces coffee?A. TeaB. CocoaC. Coffee beanD. Spice答案:C13 The Earth's interior is made up of solid and ______ materials.14 A _____ (植物适应性训练) can prepare plants for environmental changes.15 A ______ (温室) can help plants grow in winter.16 We are going to the ________ today.17 Minerals have specific ______ that help identify them.18 The firework show is ______ (amazing) to watch.19 My grandpa tells me . (我爷爷给我讲。
2024-2025学年北师大版英语初二上学期期中自测试卷及答案指导一、听力部分(本大题有20小题,每小题1分,共20分)1、听力材料:W: Hello, John. How was your weekend?M: It was great! I went hiking with my friends in the mountains. The scenery was amazing.Question: What did John do over the weekend?A) He went hiking.B) He went swimming.C) He went shopping.D) He went to the movies.Answer: A) He went hiking.Explanation: The dialogue mentions that John went hiking with his friends, so the correct answer is A.2、听力材料:M: Hi, Li Hua, how do you like your new school?W: It’s fantastic! I love the teachers and my classmates are really friendly.Question: How does Li Hua feel about her new school?A) She thinks it’s boring.B) She thinks it’s great.C) She thinks it’s too difficult.D) She thinks it’s to o small.Answer: B) She thinks it’s great.Explanation: In the dialogue, Li Hua expresses her positive feelings about her new school, saying it’s fantastic, which means she thinks it’s great.3.You are listening to a conversation between two students discussing their weekend plans.A. What are the students planning to do this weekend?B. Where are the students going to go for their trip?W: Hey, John, do you have any plans for this weekend?M: Yeah, I’m thinking of going hiking with my friends. How about yo u?W: That sounds fun! I’m planning to visit my grandparents in the countryside. It will be a great chance to relax and enjoy nature.A. They are planning to go hiking.B. They are planning to visit their grandparents.Answer: A. They are planning to go hiking.Explanation: The male student mentions that he is thinking of going hiking with his friends, indicating their plan for the weekend.4.You are listening to a news report about a new educational program.A. What is the new educational program about?B. Who is in charge of the program?News Anchor: Good morning, everyone. We have some exciting news to share with you today. A new educational program has been launched in our city. The program aims to provide free tutoring services to underprivileged students. This initiative is being led by the local community center, in collaboration with several local schools and volunteers.A. The program is about free tutoring services for underprivileged students.B. The program is in charge of by the local community center.Answer: A. The program is about free tutoring services for underprivileged students.Explanation: The news report explicitly states that the new educational program is designed to provide free tutoring services to underprivileged students, making option A the correct answer. The report also mentions that the program is led by the local community center, but it is not the in charge of the program as a whole, which is why option B is not entirely accurate.5、What is the speaker’s opinion about the importance of exercise?A)It’s not necessary to exercise regularly.B)Exercise is very important for maintaining good health.C)Exercise can only be beneficial if done in moderation.D)People should only exercise when they feel like it.Answer: B) Exercise is very important for maintaining good health.Explanation: The question asks for the speaker’s opinion on the importanceof exercise. The correct answer is indicated by the phrase “Exercise is very important for maintain ing good health,” which suggests that the speaker believes in the significance of regular exercise.6、Why does the student want to change her schedule?A)She has too many free periods.B)She needs more time for her hobbies.C)She wants to take a different elective course.D)She has too many assignments.Answer: C) She wants to take a different elective course.Explanation: The question inquires about the reason the student wants to change her schedule. The correct answer is provided by the statement “She wants to t ake a different elective course,” indicating that the student’s motivation for changing her schedule is to enroll in a different elective subject.7、Listen to the conversation between two friends and answer the question.A. What is the weather like today?B. Where is their school?C. What are they discussing?Answer: BExplanation: The conversation starts with “Hey, do you know where our school is?” indicating they are discussing the location of their school.8、Listen to the dialogue and choose the correct answer to the question.A. They are talking about their summer vacation.B. They are planning a school trip.C. They are discussing a sports event.Answer: BExplanation: In the dialogue, the speakers mention “Let’s plan a school trip this weekend” which clearly indicates that they are discussing a school trip.9、Listen to the dialogue and answer the question.W: Hey, John. How was your weekend?M: It was great! I went hiking with my friends and we saw some amazing views.Q: What did John do over the weekend?A: John went hiking with his friends.B: John stayed home.C: John went shopping.D: John watched movies.Answer: AExplanation: The question asks what John did over the weekend. The dialogue mentions that John went hiking with his friends, so the correct answer is A.10、Listen to the conversation and complete the sentence with the missing word.M: Hi, Sarah. How was your English class today?W: It was quite challenging. Our teacher asked us to write a short essay about our favorite book. Unfortunately, I couldn’t think of a book right away.M: That’s okay. You can choose any book you like. I recommend “To Killa Mockingbird” by Harper Lee.W: Oh, I’ve heard of that book. It sounds interesting. I’ll consider it.M: I’m glad you’re thinking about it. Reading is very beneficial for your English skills.W: Absolutely. By the way, did you enjoy the book?M: Yes, I did. It’s a classic and teaches us a lot about life and justice.Q: What book does the man recommend?A: “The Great Gatsby”B: “To Kill a Mockingbird”C: “Pride and Prejudice”D: “1984”Answer: BExplanation: The question asks which book the man recommends. In the conversation, the man suggests that Sarah reads “To Kill a Mockingbird” by Harper Lee, so the correct answer is B.11.Listen to the dialogue and choose the best answer.A. They are discussing a school project.B. They are planning a trip to the museum.C. They are talking about a sports event.Answer: CExplanation: The dialogue includes the speakers discussing a sports match, so the correct answer is C. They are talking about a sports event.12.Listen to the passage and answer the following question.Question: What is the main topic of the passage?A. The benefits of exercise.B. The history of a famous athlete.C. The importance of healthy eating.Answer: AExplanation: The passage focuses on the different types of exercise and their benefits for the body, so the correct answer is A. The benefits of exercise.13.Explanation: The question asks what John did over the weekend. The conversation indicates that he went hiking with some friends, so the correct answer is A.14,Listen to the following dialogue and complete the sentence with the correct word.M: How do you usually spend your holidays, Lisa?W: Well, I usually travel to different places. Last summer, I went to Paris, and this summer, I plan to visit Rome.M: That sounds amazing! Rome must be full of history and culture.W: Yes, it is. I can’t wait to explore the Colosseum and the Vatican.Q: What is Lisa planning to visit this summer?A: The Eiffel TowerB: The Colosseum and the VaticanC: The Louvre MuseumD: The Statue of LibertyAnswer: B14.Explanation: The question asks what Lisa is planning to visit this summer. According to the dialogue, she mentioned that she plans to visit Rome and explore the Colosseum and the Vatican, so the correct answer is B.15、Listen to the following dialogue and choose the best answer to complete the sentence.A: Excuse me, could you tell me where the nearest bathroom is?B:________________A. It’s right behind the cafeteria.B. It’s on the second floor.C. It’s in the library.Answer: BExplanation: The question asks for the location of the nearest bathroom. The correct answer is B, as it provides a specific floor where the bathroom is located.16、Listen to the following passage and answer the question.W: Hi, John. How was your weekend?M: Oh, it was great! I went hiking with a group of friends and we saw some amazing scenery. We also stopped at a small lake for a picnic lunch. The weather was perfect!Q: What did John do on the weekend?A. He went shopping.B. He went hiking.C. He studied.Answer: BExplanation: The question asks what John did over the weekend. The correct answer is B, as the passage clearly states that John went hiking with friends.17.You are listening to a conversation between two students, Alice and Bob. They are discussing their weekend plans.Alice: “Hi, Bob! What are you planning to do this weekend?”Bob: “Well, I’m thinking of going hiking. It’s supposed to be a great day for it. How about you?”Alice: “I’m actually planning to visit the art museum. I’ve heard the y have a new exhibit.”Bob: “That sounds interesting! Do you think you’ll be able to finish it in one day?”Alice: “I hope so. I’m looking forward to seeing it.”Question: What is Bob’s plan for this weekend?A. Visiting the art museumB. Going hikingC. Attending a concertD. Reading a bookAnswer: BExplanation: In the conversation, Bob mentions that he is thinking of going hiking, which indicates that his plan for the weekend is to go hiking. Therefore, the correct answer is B.18.Listen to a short dialogue between a teacher and a student about a school project.Teacher: “Hi, Emily. How’s your project coming along?”Emily: “Oh, it’s going okay. I’ve done most of the research, but I’m still working on the presentation.”Teacher: “That’s great to hear! Have you thought about what you’re going to include in your presentation?”Emily: “Yes, I’m planning to focus on the key findings from the research. I also want to include some visual aids to make it more engaging.”Teacher: “That sounds like a good approa ch. Make sure to practice your presentation before the deadline.”Question: What is Emily working on for her school project?A. The researchB. The presentationC. The visual aidsD. The project reportAnswer: BExplanation: In the dialogue, Emily mentions that she is still working on the presentation for her school project. This indicates that her current focus ison the presentation. Therefore, the correct answer is B.19.You are listening to a conversation between two students discussing their weekend plans.A. What are they planning to do this weekend?B. What are their favorite hobbies?Answer: AExplanation: The conversation begins with the first student saying, “So, what are you planning to do this weekend?” This indicates that they are discussing their weekend plans, making option A the correct answer. Option B is incorrect because the conversation does not mention their favorite hobbies.20.You are listening to a phone conversation between a mother and her daughter.A. Is the mother worried about her daughter?B. Is the daughter planning to study for an exam?Answer: AExplanation: The mother starts the conversation by saying, “I’m worried about your health. Are you sure you’re eating properly?” This shows that the mother is concerned about her daught er’s well-being, making option A the correct answer. Option B is incorrect because the conversation does not discuss studying for an exam.二、阅读理解(30分)Reading ComprehensionPassage:The following is an excerpt from a local newspaper about a new community garden project that has recently been started in the city.Community Garden Project Kicks OffIn a bid to promote environmental awareness and encourage community bonding, the city’s government has launched a new community garden project. The project, named “Green Thumbs,” aims to provide residents with a space to grow their own vegetables and flowers, fostering a sense of community and sustainability.The garden, located in the heart of the city park, covers an area of 10,000 square meters. It is designed to be accessible to all residents, regardless of their gardening experience. The city government has allocated resources for the construction of raised beds, compost bins, and water sources. Additionally, a team of volunteers, including local gardeners and horticulturists, has been trained to assist and educate the community members.The project’s coordinator, Maria Gomez, expressed her excitement about the initiative. “We believe that a community garden can bring people together and create a space where they can learn from each other,” she said. “It’s also a great way to reduce our carbon footprint and support local food production.”Local residents have responded positively to the project. Many have already signed up to participate, and the garden has quickly become a hub for socialgatherings. Some residents are using the garden to grow organic vegetables for their families, while others are focusing on planting flowers to enhance the park’s beauty.The community garden project is set to run for a year, after which the city government will evaluate its success and consider extending it or implementing similar projects in other areas.Questions:1.What is the main purpose of the “Green Thumbs” community garden project?A) To create a space for artists to showcase their work.B) To promote environmental awareness and encourage community bonding.C) To provide a place for city employees to relax during breaks.D) To increase the city’s tourism industry.2.Who is responsible for the training and assistance provided to the community members at the garden?A) Local businessesB) The city governmentC) The local school districtD) The local police department3.According to the passage, what is one of the benefits of the community garden project?A) It helps to reduce traffic congestion in the city.B) It provides a source of income for local businesses.C) It promotes the growth of rare plant species.D) It creates a space for social gatherings and learning.Answers:1.B) To promote environmental awareness and encourage community bonding.2.B) The city government3.D) It creates a space for social gatherings and learning.三、完型填空(15分)Exercise 3: Gap FillingRead the following passage and choose the best word for each blank from the options given below. Write the letter (A), (B), (C), (D), or (E) corresponding to your answer in the blank.John had always been an avid reader. One day, he decided to take a break from his usual fiction books and explore a different genre. He went to the local library and spent hours browsing through the non-fiction section. (1) ______, he found a book that caught his attention: “The Science of Happiness.” (2)______he started reading it, he realized how much he enjoyed learning about the science behind happiness.(1)A. Suddenly B. Unexpectedly C. Gradually D. Suddenlyly E. Graduallyly(2)A. As soon as B. As soon as he C. As he D. As soon as he did E. As soonas he hasAnswers:(1)B. Unexpectedly(2)A. As soon as四、语法填空题(本大题有10小题,每小题1分,共10分)1、The book,_______cover is green, is my favorite.A. whoseB. whichC. thatD. it答案:A解析:本题考查定语从句。
2 Working the land李仕才***阅读理解。
Whenever something looks interesting or beautiful, there is a natural desire of us to capture(捕捉) and preserve it—which means, in this day and age, that we are likely to reach for our phones to take a picture.Though this would seem to be an ideal solution, there are two big problems associated with taking pictures. Firstly, we are likely to be so busy taking pictures that we forget to look at the world whose beauty and interest encourage us to take a photograph in the first place. And secondly, because we feel the pictures are safely stored on our phones, we never get around to looking at them, so sure are we that we’ll get around to them one day.The first person to notice the problems was the English art critic(评论家), John Ruskin. He was a keen traveler who realized that most tourists make a poor job of noticing or remembering the beautiful things they see. He argued that humans have a natural tendency to respond to beauty and desire to have it, but there are better and worse expressions of this desire. At worst, we get into buying souvenirs or taking photographs. But, in Ruskin’s eyes, there’s just one thing we should do—attempting to draw the interesting things we see, regardless of whether we happen to have any talent for doing so.Ruskin said, “Drawing can teach us to see: to notice properly rather than gaze absentmindedly.In the process of recreating with our own hands what lies before our eyes, we naturally move from a position of observing beauty in a loose way to one where we acquire a deep understanding of its parts.”Ruskin deplored the blindness and hurry of modern tourists, especially those who prided themselves on traveling around the whole Europe in a week by train, “No changing of places at a hundred miles an hour will make us stronger, happier, or wiser. There was always more in the world than men could see, if they ever walked slowly. The really precious things are thoughts and sights, not pace.”【解题导语】本文主要讨论了旅游中如何享受美景以及游客普遍存在的问题。
贵阳2024年10版小学四年级下册英语第四单元真题(含答案)考试时间:90分钟(总分:110)A卷考试人:_________题号一二三四五总分得分一、综合题(共计100题共100分)1. 听力题:The International Space Station orbits Earth and serves as a _______ for scientific research.2. 选择题:What is the name of the cosmic event that marks the end of a star's life?A. SupernovaB. Black HoleC. White DwarfD. Neutron Star3. 填空题:The ______ (小鸟) finds a safe spot to rest in the tree.4. 填空题:Understanding how to propagate plants can lead to a more abundant ______.(了解如何繁殖植物可以导致更加丰盛的园艺。
)5. 选择题:What is the opposite of "fast"?A. QuickB. SlowC. SpeedyD. Rapid6. 听力题:A __________ is a large region with a distinct ecosystem.7. 选择题:What is the main ingredient in mayonnaise?A. OilB. EggsC. VinegarD. Mustard答案:A. Oil8. 听力题:The chemical formula for calcium phosphate is ______.9. 选择题:What is the term for water vapor in the air?A. HumidityB. PrecipitationC. EvaporationD. Condensation答案:A10. 听力题:I need to ___ (pack/unpack) my bag.11. 听力题:The __________ is important for keeping bones strong.12. 选择题:What is the main language spoken in Spain?A. EnglishB. FrenchC. SpanishD. Italian答案:C13. 听力题:_______ can help clean the air.14. 填空题:My dad loves __________ (带领团队).15. 听力题:The chemical formula for bismuth(III) oxide is __________.16. 填空题:A rabbit has long _________. (耳朵)17. 填空题:Abraham Lincoln was the _____ (president) during the Civil War.18. 填空题:A ______ (青蛙) can be found in many colors and patterns.19. 填空题:Did you know that a _____ (鹤) can live for many years?20. 填空题:A _____ is often kept as a pet.21. 听力题:The __________ is a large area of sand.22. 填空题:The __________ was a time of significant social change in the 1960s. (女性解放运动)23. 选择题:What is the term for animals that only eat plants?a. Herbivoresb. Carnivoresc. Omnivoresd. Insectivores答案:a24. 选择题:What is the name of the famous waterfall located on the border of the United States and Canada?A. Victoria FallsB. Niagara FallsC. Angel FallsD. Iguazu Falls答案:B25. 听力题:A solution with a low concentration of solute is a ______ solution.26. 听力题:An earthquake's effects can be measured using a ______ scale.27. 填空题:We visit the ______ (历史博物馆) to learn about our past.28. 填空题:I like to _______ (swim/play) in the summer.29. 选择题:What is the opposite of "happy"?A. SadB. ExcitedC. AngryD. Joyful30. 填空题:My brother plays ________ (电子游戏).31. 听力题:A _______ is a measure of how much mass is present in a certain volume.32. 选择题:What is 8 + 6?A. 14B. 15C. 16D. 1733. 听力题:The sky is blue and ___. (clear)34. 听力题:The fish is _____ (swimming/flying) in the tank.35. 选择题:What do you call the place where you buy books?A. LibraryB. BookstoreC. SchoolD. Office答案:B36. 选择题:What is the name of the famous American landmark built in 1886?A. Lincoln MemorialB. Statue of LibertyC. Empire State BuildingD. Washington Monument37. 听力题:I like to ___ (explore/discover) new things.38. 听力题:The signing of the Treaty of Paris ended the _______ War.39. 听力题:The chemical formula for baking powder is ______.40. 听力题:The leaves are _____ in autumn. (falling)41. 选择题:How many continents are there?A. 5B. 6C. 7D. 8答案:C42. 填空题:The rabbit burrows underground for ______ (安全).43. 选择题:Which country is known for tulips?A. FranceB. NetherlandsC. ItalyD. Spain44. 选择题:What is the name of the famous ancient city located in Italy?A. PompeiiB. AthensC. RomeD. Carthage答案: A. Pompeii45. 选择题:What do you call the place where you keep your clothes?A. KitchenB. BedroomC. ClosetD. Bathroom46. 听力题:We should __________ our hands before eating.47. 选择题:What is the name of the famous character who is a mischievous cat?A. GarfieldB. FelixD. Sylvester48. community governance structure) facilitates decision-making. 填空题:The ____49. 选择题:What is 15 ÷ 3?A. 3B. 4C. 5D. 650. 填空题:The _____ (温暖) climate is suitable for tropical plants.51. 选择题:What is the name of the famous American musician known for "Shallow"?A. Lady GagaB. Kelly ClarksonC. AdeleD. Kacey Musgraves答案:A52. 选择题:How do you say "land" in Spanish?A. TierraB. TerreC. ErdD. Terra53. 填空题:The ________ (开心树) gives shade in the hot summer.54. 听力题:The cat is _____ (black).55. 听力题:I want to be a _______ (teacher) when I grow up.56. gather ______ (坚果) for winter. 填空题:Squirrel57. 选择题:Which food is made from milk?A. BreadC. RiceD. Pasta58. 填空题:A hawk can spot prey from a great _______ (距离).59. 填空题:My hamster has a _______ (舒适的) home.60. 填空题:The puppy is very _______ (调皮).61. 选择题:Which month has the most days?A. FebruaryB. AprilC. JuneD. January答案:D62. 选择题:What is the opposite of tough?A. SoftB. WeakC. FragileD. All of the above答案:D63. 填空题:The frog jumps from lily pad to _______.64. 听力题:The ____ has a smooth body and can swim quickly.65. 选择题:What is the primary color of a radish?A. RedB. GreenC. YellowD. White66. 选择题:What do you call a story from ancient times?A. LegendB. MythD. All of the above答案:D67. 听力题:The clock is ________ ticking.68. 选择题:What is the term for the study of weather?A. AstronomyB. MeteorologyC. GeologyD. Biology答案:B69. 听力题:Solar flares are bursts of energy from the ______.70. 选择题:What do you call a group of stars?A. GalaxyB. PlanetC. CometD. Asteroid71. 听力题:My friend is a ______. He enjoys outdoor adventures.72. 选择题:What is the name of the country known for kangaroos?A. CanadaB. AustraliaC. BrazilD. India73. 听力题:Bees help ______ plants by pollinating.74. 填空题:A _____ is a large flat area of grassland.75. 听力题:The chemical formula for sodium sulfate is __________.76. 填空题:My favorite food is _______ (披萨), and I can eat it every _______ (天).77. 填空题:I like to _______ (参观) museums.78. 听力题:An underground layer of water-bearing rock is called an ______.79. 填空题:The ancient civilization of ________ is celebrated for its technological innovations.80. 填空题:Plants need _____ (养分) from the soil to flourish.81. 听力题:The country known for kangaroos is __________.82. 填空题:Does your __________ (玩具名) have __________ (功能)?83. 听力题:A pulley can help lift heavy ______.84. 填空题:My sister enjoys __________ (学习) new languages.85. 听力题:I want to _____ (discover) new places.86. 选择题:What do you call a person who repairs cars?A. MechanicB. ElectricianC. CarpenterD. Plumber答案:A87. 听力题:The ______ can adapt to many environments.88. 填空题:My little sister has a _________ (跳跳球) that she loves to bounce around the house.89. 选择题:Which of these animals can swim?A. CatB. DogC. FishD. Bird90. 填空题:The kitten loves to chase its own ______ (尾巴). It is very ______ (搞笑).91. 填空题:This is my new . (这是我的新。
小学上册英语第4单元期末试卷英语试题一、综合题(本题有100小题,每小题1分,共100分.每小题不选、错误,均不给分)1.What is the capital of Argentina?A. SantiagoB. Buenos AiresC. LimaD. MontevideoB2.What is the primary color that mixes with green to create lime?A. YellowB. BlueC. RedD. OrangeA3.The tarantula can be very _________. (吓人)4.My mom is a ______ (护士).5.ts are used for ______ (环保材料). Some pla6.The chemical formula for table salt is __________.7.What is the capital of Chile?A. SantiagoB. LimaC. Buenos AiresD. BogotáA8.What is the largest organ inside the human body?A. HeartB. LiverC. BrainD. SkinB Liver9.Gardening is a great way to connect with ______. (园艺是与自然联系的好方法。
)10.We have a ______ (丰富的) curriculum that includes arts.11.The ______ (熊) hibernates during the winter months.12.The ____ is known for its speed and agility.13.I enjoy reading ________ books in my free time.14.What color do you get by mixing red and white?A. PinkB. PurpleC. OrangeD. BrownA15.What is the term for a group of lions?A. PackB. PrideC. FlockD. GaggleB Pride16.The giraffe has a long ______.17.The ______ studies the environment.18.The __________ (历史的跨文化交流) fosters understanding.19.__________ (分子识别) is important for drug design and efficacy.20.The pizza has _______ (pepperoni) on it.21.I found a _______ (古老的) coin.22. A ______ is a type of bird that builds nests.23.What is the capital of the Czech Republic?A. PragueB. ViennaC. BudapestD. Bratislava24.The ancient Egyptians are known for their advanced _____.25.The __________ is essential for understanding the impacts of human activities on geology.26. A _____ (猫) can be very affectionate and loving.27.What fruit is often red and can be used to make pies?A. BananaB. CherryC. MelonD. Grape28.We can ___ a snowman. (make)29.What is the name of the famous ancient city in Peru?A. Machu PicchuB. TikalC. Chichen ItzaD. PetraA30.The fish is _____ around the tank. (swimming)31.The zebra's stripes can help regulate its body ________________ (温度).32.What is the capital of Kyrgyzstan?A. BishkekB. OshC. Jalal-AbadD. TalasA33.What is the opposite of "empty"?A. FullB. HalfC. LightD. HeavyA34.My friend is from ________.35.The lemonade is very _______ (refreshing).36.I believe everyone should be treated with respect. Kindness and understanding create a harmonious environment. I always strive to treat others as I want to be treated.37.She wears a __________ to school.38.The Earth's surface is shaped by both ______ and erosion.39.In winter, the __________ can be very icy. (道路)40.I enjoy ___ (watching) the sunrise.41.The starling can mimic other ______ (鸟) sounds.42.He _______ (总是) helps me with my homework.43.What is the name of the famous river in Germany?A. RhineB. ElbeC. DanubeD. Main44.My favorite toy is one that challenges my mind. (玩具名称)45.My cousin is very ____ (creative) and writes stories.46.The monkey swings from ______ to ______.47.The __________ (水分) in the soil is crucial for growth.48.What do you call a young penguin?A. ChickB. PupC. CalfD. Kit49.I like to ___ (make) crafts.50. A kitten's paws are very ______ (柔软).51.The ancient Greeks held the Olympics in ________ (奥林匹亚).52.Galaxies can collide and form larger ______.53.My brother, ______ (我哥哥), is very good at sports.54.The sky is _______ (蓝色的).55.In 1492, Christopher Columbus sailed the ocean _______. (蓝)56.What do you call a type of dance that is slow and graceful?A. BalletB. Hip-hopC. JazzD. TapA57.The boy has a new ________.58.The ________ (环境影响评价) is crucial for projects.59.What is the name of the second planet from the sun?A. EarthB. MarsC. VenusD. MercuryC60.What do you call a group of wolves?A. PackB. HerdC. FlockD. PrideA61.I enjoy _______ (写故事).62.What is the chemical symbol for gold?A. AuB. AgC. FeD. Pb63. A horse can run very _________. (快)64.I can ______ (发展) my skills through practice.65.Goldfish can be orange or _________. (白色)66.My pet likes to play with my _________ (绒毛玩具).67.ts can ______ (修复) damaged ecosystems. Some pla68.How many hours are there in a day?A. 12B. 24C. 36D. 4869. A ______ (城市花园) can beautify neighborhoods.70.My sister enjoys reading ____ (fiction).71.What color is the sky?A. BlueB. GreenC. RedD. Yellow72.My ________ (姐姐) helps me study for my exams.73.What is the currency used in the USA?A. EuroB. DollarC. PoundD. Yen74.We need to _______ (保护) wildlife.75.What is the name of the famous novel written by George Orwell?A. 1984B. Animal FarmC. Brave New WorldD. Fahrenheit 45176.The _____ (燕子) flies gracefully.77.I enjoy going to the ______ (展览) to see new technology and inventions. It’s fascinating to learn about progress.78.The ________ (trolley) carries the groceries.79.The first emperor of China was __________ (秦始皇).80.My cousin loves to __________ (阅读) different genres.81.She is wearing a pretty ___. (headband)82.What is the capital of India?A. MumbaiB. New DelhiC. KolkataD. BangaloreB83.In a decomposition reaction, a compound breaks down into two or more _____.84.The Earth revolves around the sun in an _______ orbit.85.The study of how rocks change over time is known as ______.86.The country known for its unique wildlife is ________ (澳大利亚).87. A ______ is a type of rodent.88.I want to ___ a great cook. (become)89.The main function of leaves is to help in __________.90.What do you call the act of giving someone a gift?A. PresentingB. GiftingC. GivingD. OfferingB91.The chemical formula for caproic acid is ______.92.The ______ (松鼠) gathers food for winter.93.How many zeros are in one hundred?A. OneB. TwoC. ThreeD. FourB94. A _____ (植物监测) program helps track plant health.95.There are many ________ (岛) in the ocean.96.What is the name of the country known for kangaroos?A. CanadaB. AustraliaC. BrazilD. India97.What sound does a cow make?A. BarkB. MeowC. MooD. QuackC98.My sister loves to listen to __________ (音乐).99.His favorite game is ________.100.What do we call the center of the Earth?A. CoreB. MantleC. CrustD. SurfaceA。
A "green channel" of understanding profile grinding
Today I will provide you with a "green channel" of understanding profile grinding,let's take a brief look.
1.Definition of profile grinding
Profile grinding refers to the finished workpiece grinding will depend on the processing for a particular shape, profile grinding machining center which is different from the general plane. The outer circle. No internal grinding. Grinding process. Is the first special shape wheel washing Shibi or direct manufacturing intodesired, then grinding the workpiece shape and become the same grinding wheel grinding method. This is also called the "imitation type grinding" and "SEIKEI".
2.Brief introduction of profile grinding
In production, there are two main methods for profile grinding parts by surface grinding machine. One is grinding by truing and shaping grinding wheel, and the other is grinding by special fixture.
3.Dimensional conversion of profile grinding process
In profile grinding, the operator needs to convert the design dimensions of the drawing into the technological dimensions of profile grinding.
If you want to know more information about the “green channel" of understanding profile grinding or applications of profile grinding,please pay attention to YIZE MOULDS.
sdyizebg06。