2025-2026学年冀教版八年级英语下册期中测试卷

冀教版八年级下册期中测试卷 （考试时间：90 分钟 满分：120 分） Ⅰ. 单项选择（共 20 小题，每小题 1 分，满分 20 分） 1. I know ______ spring is a season of hope and all plants come back to life. A. that B. what C. why D. if 2. —Could you tell me ______ we can protect plants in spring? —We can water them regularly and prevent them from being hurt. A. that B. how C. what D. when 3. He asked me ______ I had ever taken part in a spring outing with my classmates. A. that B. what C. if D. where 4. She doesn’t understand ______ we should wake up early to enjoy the spring morning. A. that B. why C. what D. how 5. My teacher told us ______ we can learn about different seasons by observing nature. A. that B. if C. whether D. what 6. —Do you know ______ kind of activities we can do in spring? —We can fly kites, plant trees and go camping. A. that B. what C. which D. when 7. I wonder ______ our school will organize a tree-planting activity next month. A. that B. if C. what D. why 8. He said that he ______ already planted three trees in the schoolyard. A. has B. had C. will D. would 9. Could you please tell me ______ I can find more information about spring customs? A. where B. that C. what D. who 10. The students asked their teacher ______ flowers need special care in spring. A. that B. if C. what D. how 11. —Look! They are planting trees in the park. They ______ be volunteers. —I think so. They are doing their best to make our city more beautiful. A. can B. may C. must D. can’t 12. This ______ be a spring flower. It blooms in winter and can’t stand warm weather. A. can B. may C. must D. can’t 13. —Where is Tom? —He ______ be in the countryside. He said he would go to pick strawberries there. A. can B. may C. must D. can’t 14. He ______ know how to take care of young trees. Let’s ask him to teach us. A. can B. may C. must D. can’t 15. Many trees ______ in our city every spring to make the environment better. A. plant B. are planted C. planted D. were planted 16. We ______ to observe the changes of seasons and write down our findings in recent months. A. encourage B. are encouraged C. have encouraged D. have been encouraged 17. Many people ______ spring outings every year to enjoy the beautiful scenery. A. take B. took C. are taken D. were taken 18. We should ______ the plants and animals around us and live in harmony with nature. A. protect B. be protected C. protected D. were protected 19. —How do you learn about the changes of seasons?&#xA—I learn about them ______ watching the leaves and flowers. A. by B. with C. in D. on 20. The knowledge about seasons ______ to us by our geography teacher every week. A. teaches B. is taught C. taught D. was taught Ⅱ. 完形填空（共 10 小题，每小题 1.5 分，满分 15 分） Spring is coming, and the world is full of life. The weather gets warmer, and the flowers start to bloom. It’s a wonderful season to go out and enjoy nature. Everyone can feel the beauty of spring and do something meaningful. Lucy loves spring very much. She often goes to the park with her friends to enjoy the beautiful flowers. She knows that plants are important to our world and many of them 21._______. Her teacher told her 22._______ we should protect plants because they can make the air clean and provide us with fresh oxygen. Lucy always waters the flowers in her garden and never picks them. Zhang Wei joins the school nature club. He tells his classmates 23._______ observing nature is a good way to learn about seasons. He often helps his teacher 24._______ care of the young trees in the schoolyard and records the changes of the trees every week. He wonders 25._______ more students will 26._______ the club to enjoy spring and protect nature. Peter used to stay at home in spring, but his friend invited him 27._______ go camping last year. Now he likes spring outings very much. He thinks it’s interesting to 28._______ the warm wind and watch the birds fly. He hopes to 29._______ more time enjoying spring and learn more about nature. All of them agree that spring is a precious season. We should cherish it, 30._______ nature and make the most of every beautiful moment in spring. 21. A. come back to life B. die down C. go to sleep D. fall off 22. A. if B. that C. what D. why 23. A. because B. so C. that D. or 24. A. take B. takes C. to take D. taking 25. A. that B. what C. if D. how 26. A. join B. to join C. joining D. joins 27. A. take B. takes C. to take D. taking 28. A. watch B. watches C. watched D. will watch 29. A. spend B. take C. cost D. pay 30. A. protect B. protects C. protected D. will protect Ⅲ. 阅读理解（共 15 小题，每小题 2 分，满分 30 分） A Spring is one of the four seasons and it comes after winter. It is a season of rebirth and hope. When spring arrives, the temperature rises, and the days become longer. The snow melts, and the rivers start to flow again. All kinds of plants come back to life, and the trees turn green. Flowers bloom everywhere, making the world colorful. There are many interesting activities to do in spring. People like to go for spring outings, fly kites, plant trees and pick flowers. Children often play outside, enjoying the warm sunshine. Many families go to the countryside to have picnics and enjoy the beautiful scenery. Spring is also a good time to learn about nature. We can observe the changes of plants and animals, and understand how nature works. Spring is a precious season. It brings us joy and hope. We should cherish every moment of spring and protect the beautiful nature around us. 31. What season comes before spring? A. Summer. B. Autumn. C. Winter. D. None of the above.
 32. Which of the following is NOT a change in spring? A. The temperature rises. B. The snow melts. C. The trees turn green. D. The days become shorter. 33. What activity do people NOT like to do in spring? A. Go for spring outings. B. Fly kites. C. Plant trees. D. Ski on the snow. 34. Why is spring a good time to learn about nature? A. Because we can observe the changes of plants and animals. B. Because the weather is cold. C. Because we can stay at home. D. Because there are no activities. 35. What is the main idea of the passage? A. To introduce the changes of spring. B. To tell us the activities in spring. C. To introduce spring and its beauty and importance. D. To explain why we like spring. B Protecting nature is important for us, especially in spring. Spring is the season when all living things grow and develop. Plants start to grow, and animals come out of their winter homes. However, some people do not care about nature and do harm to it. For example, some people pick flowers, cut down trees and throw rubbish in the park. These actions destroy the beauty of spring and hurt living things. We can do many things to protect nature in spring. First, we should not pick flowers or cut down trees. Second, we can plant more trees to make our environment greener. Third, we should sort rubbish and throw it into the dustbin. Fourth, we can observe nature carefully and learn to live in harmony with it. Protecting nature in spring is everyone’s duty. It can make our world more beautiful and provide a better home for all living things. Let’s work together to protect nature and enjoy the beautiful spring. 36. Why is protecting nature especially important in spring? A. Because spring is the season of rebirth. B. Because spring is cold. C. Because people like spring. D. Because there are many flowers. 37. Which of the following is a harmful action to nature? A. Planting trees. B. Picking flowers. C. Sorting rubbish. D. Observing nature. 38. How many ways to protect nature in spring are mentioned in the passage? A. 2 B. 3 C. 4 D. 5 39. What does the underlined word “harmony” mean in Chinese? A. 冲突 B. 和谐 C. 矛盾 D. 对立 40. What is the passage mainly about? A. The beauty of spring. B. The activities in spring. C. The importance of protecting nature in spring and how to do it. D. The changes of spring. C My name is Linda. I love spring very much because it is a beautiful and lively season. Every spring, I go to the park with my family to enjoy the scenery. The park is full of flowers and green trees. The birds sing happily in the trees, and the butterflies dance around the flowers. It makes me feel very happy. This spring, I joined the school tree-planting activity. My classmates and I planted many young trees in the schoolyard. We watered them every day and took good care of them. Our teacher told us that trees can make the air clean and help protect the environment. I also started a nature diary to record the changes of the trees. I write down how much they grow every week and draw pictures of them. I think spring is a special season. It teaches us to love nature and cherish life. I hope everyone can enjoy the beauty of spring and do their best to protect nature. 41. Why does Linda love spring? A. Because it is cold. B. Because it is beautiful and lively. C. Because she can stay at home. D. Because there is no school. 42. What does Linda do in the park with her family every spring? A. She plants trees. B. She picks flowers. C. She enjoys the scenery. D. She throws rubbish. 43. What activity did Linda join this spring? A. The school tree-planting activity. B. The spring outing. C. The nature club. D. The picnic. 44. What does Linda do to record the changes of the trees? A. She takes photos of them. B. She writes a nature diary. C. She draws pictures of them only. D. She asks her teacher for help. 45. What does Linda learn from spring? A. To love nature and cherish life. B. To pick flowers. C. To cut down trees. D. To stay at home. Ⅳ. 词汇运用（共 15 小题，每小题 1 分，满分 15 分） A) 根据句意及首字母提示完成单词。 46. Spring is coming. The temperature r______ and the snow melts. 47. We should p______ plants and animals to keep our world beautiful. 48. Many people go for spring o______ to enjoy the beautiful scenery. 49. It’s a good way to o______ nature to learn about the changes of seasons. 50. The flowers b______ in spring, making the world colorful. B) 用所给单词的适当形式填空。 51. My teacher told me that he ______ (plant) many trees when he was young. 52. She wonders if she ______ (can) join the school nature club this spring. 53. Many trees ______ (plant) in our city every spring. 54. We ______ (encourage) to protect nature and love life every day. 55. He ______ (fly) a kite in the park when I saw him yesterday afternoon. C) 从方框中选择合适的单词并用其适当形式填空（每词限用一次） include, protect, observe, enjoy, bloom 56. We can ______ the beautiful scenery of spring when we go out. 57. The activities in spring ______ flying kites, planting trees and having picnics. 58. Our duty is to ______ nature and live in harmony with it. 59. We should ______ the changes of plants and animals carefully. 60. Flowers ______ in spring, bringing joy to people. Ⅴ. 句型转换（共 10 小题，每小题 1 分，满分 10 分） 按要求完成下列句子，每空一词。 61. I know spring is a season of hope.（改为含有宾语从句的复合句） I know ______ ______ is a season of hope. 62. He asked me, “Have you ever gone for a spring outing?”（改为含有宾语从句的复合句） He asked me ______ I ______ ever gone for a spring outing. 63. My teacher told us, “We can protect plants by watering them regularly.”（改为含有宾语从句的复合句） My teacher told us ______ we ______ protect plants by watering them regularly. 64. She doesn’t understand why we should protect nature.（改为同义句） She doesn’t understand the ______ ______ we should protect nature. 65. He said, “I have observed the changes of the trees.”（改为含有宾语从句的复合句） He said that he ______ ______ the changes of the trees. 66. Many trees are planted in our city every spring.（改为主动语态） People ______ many trees in our city every spring. 67. We learn about seasons by observing nature.（对划线部分提问） ______ ______ we learn about seasons? 68. He must be planting trees in the schoolyard.（改为否定句） He ______ ______ planting trees in the schoolyard. 69. I wonder if she will join the tree-planting activity.（改为同义句） I wonder ______ ______ will join the tree-planting activity. 70. They will observe the changes of the flowers in the future.（改为被动语态） The changes of the flowers ______ ______ ______ by them in the future. Ⅵ. 书面表达（满分 10 分） 假设你是李华，你的英国笔友 Mike 对中国的春天很感兴趣，来信向你询问中国春天的特点以及你在春天常做的事情。请你根据提示，给 Mike 写一封邮件，介绍相关情况。 提示： 1. 介绍中国春天的特点（天气、自然变化等）； 2. 说明你在春天常做的事情（春游、植树、观察自然等）； 3. 表达你对春天的喜爱以及对 Mike 的邀请。 要求： 1. 词数 80—100； 2. 条理清晰，语句通顺，语法正确； 3. 包含所有提示内容，可适当发挥； 4. 开头结尾已给出，不计入总词数。 Dear Mike, I’m glad to receive your email. You asked about spring in China and what I usually do in spring. I’d like to tell you about it. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ Spring in China is really beautiful. I hope you can come to China one day to enjoy the beautiful spring with me. Please write to me and tell me about spring in your country soon. Yours, Li Hua 参考答案及详细解析 Ⅰ. 单项选择（20 分） 1. A 解析：考查宾语从句连接词。句意：我知道春天是一个充满希望的季节，所有植物都复苏了。宾语从句是陈述句，连接词用that，that可省略，故选A。 2. B 解析：考查宾语从句连接词。句意：——你能告诉我我们如何在春天保护植物吗？——我们可以定期给它们浇水，防止它们受到伤害。宾语从句中缺少方式状语，用how引导，表“如何、怎样”，故选B。 3. C 解析：考查宾语从句连接词。句意：他问我是否和同学们一起参加过春游。宾语从句是一般疑问句，用if/whether引导，表“是否”，故选C。 4. B 解析：考查宾语从句连接词。句意：她不明白为什么我们应该早起享受春天的早晨。宾语从句中缺少原因状语，用why引导，表“为什么”，故选B。 5. A 解析：考查宾语从句连接词。句意：我的老师告诉我们，我们可以通过观察自然来了解不同的季节。宾语从句是陈述句，用that引导，且时态不受主句影响，仍用一般现在时，故选A。 6. B 解析：考查宾语从句连接词。句意：——你知道我们在春天可以做什么活动吗？——我们可以放风筝、植树和去露营。宾语从句中缺少定语，用what引导，表“什么种类”，故选B。 7. B 解析：考查宾语从句连接词。句意：我想知道我们学校下个月是否会组织植树活动。宾语从句是一般疑问句，用if/whether引导，表“是否”，故选B。 8. B 解析：考查宾语从句时态呼应。句意：他说他已经在校园里种了三棵树了。主句是一般过去时，宾语从句中“种树”发生在主句动作“说”之前，用过去完成时，结构为“had + 过去分词”，故选B。 9. A 解析：考查宾语从句连接词。句意：你能告诉我在哪里可以找到更多关于春天习俗的信息吗？宾语从句中缺少地点状语，用where引导，表“哪里”，故选A。 10. B 解析：考查宾语从句连接词。句意：学生们问他们的老师花在春天是否需要特殊照顾。宾语从句是一般疑问句，用if/whether引导，表“是否”，故选B。 11. C 解析：考查情态动词表推测。句意：——看！他们正在公园里植树。他们肯定是志愿者。——我想是的。他们正在尽最大努力让我们的城市更美丽。must表“肯定、一定”，用于肯定推测，语气最强，符合句意，故选C。 12. D 解析：考查情态动词表推测。句意：这不可能是春花，它在冬天开花，不能忍受温暖的天气。can’t表“不可能”，用于否定推测，语气肯定，符合句意，故选D。 13. C 解析：考查情态动词表推测。句意：——汤姆在哪里？——他肯定在乡下，他说他会去那里摘草莓。must表“肯定、一定”，结合“他说会去乡下”的语境，推测语气最强，故选C。 14. B 解析：考查情态动词表推测。句意：他可能知道如何照顾小树，我们让他教我们吧。may表“可能”，用于肯定推测，语气委婉，符合句意，故选B。 15. B 解析：考查一般现在时被动语态。句意：每年春天我们城市都会种很多树，让环境变得更好。主语Many trees与动词plant是被动关系，且描述客观事实，用一般现在时被动语态，结构为“am/is/are + 过去分词”，主语是复数，be动词用are，plant的过去分词是planted，故选B。 16. D 解析：考查现在完成时被动语态。句意：近几个月来，我们被鼓励观察季节的变化并写下我们的发现。时间状语in recent months表示从过去持续到现在，用现在完成时，主语We与encourage是被动关系，结构为“have been + 过去分词”，encourage的过去分词是encouraged，故选D。 17. A 解析：考查主动语态。句意：每年有很多人去春游，欣赏美丽的风景。主语Many people与动词take是主动关系，且描述客观事实，用一般现在时，主语是复数，谓语动词用原形take，take spring outings“去春游”，故选A。 18. A 解析：考查主动语态。句意：我们应该保护我们周围的动植物，与自然和谐相处。主语We与动词protect是主动关系，情态动词should后接动词原形，故选A。 19. A 解析：考查介词辨析。句意：——你如何了解季节的变化？——我通过观察树叶和花朵来了解它们。by + 动名词表示“通过某种方式”，符合句意；with表“用工具”，in表“用语言”，on表“在……上面”，故选A。 20. B 解析：考查一般现在时被动语态。句意：我们的地理老师每周都教我们关于季节的知识。主语The knowledge about seasons与动词teach是被动关系，且描述客观事实，用一般现在时被动语态，结构为“am/is/are + 过去分词”，主语是不可数名词，be动词用is，teach的过去分词是taught，故选B。 Ⅱ. 完形填空（15 分） 21.A. come back to life短语辨析。春天万物复苏，植物复苏、恢复生机；die down 逐渐消失，go to sleep 入睡，fall off 掉落，都不符合春天语境。 22.B. that宾语从句。后面是完整陈述事实的陈述句，不缺成分、无疑问含义，用 that 引导宾语从句。 23.C. that宾语从句。从句 “观察自然是了解季节的好方式” 为完整陈述句，用 that 连接。 24. A. take固定搭配：help (to) do sth. 帮助做某事，help 后接动词原形。 25.C. ifwonder if 为固定用法，表示想知道是否，句意：他想知道是否有更多同学加入社团。 26. A. join情态动词 will 后接动词原形。 27. C. to take固定搭配：invite sb. to do sth. 邀请某人做某事。 28. A. watch固定句型：It’s + adj. + to do sth.，此处不定式后用动词原形 watch；题目选项A设置匹配考点。 29. A. spend固定结构：spend time doing sth. 花费时间做某事；人作主语用 spend。 30. A. protectand 连接并列谓语，should 后接动词原形，与 cherish 并列，用 protect。 Ⅲ. 阅读理解（30 分） A篇 31. C 解析：细节理解题。根据第一段第一句“Spring is one of the four seasons and it comes after winter.”可知，春天之前是冬天，故选C。 32. D 解析：细节理解题。根据第一段第二、三句“When spring arrives, the temperature rises, and the days become longer. The snow melts, and the rivers start to flow again. All kinds of plants come back to life, and the trees turn green.”可知，春天白天会变长，不是变短，故选D。 33. D 解析：细节理解题。根据第二段第二句“People like to go for spring outings, fly kites, plant trees and pick flowers.”可知，人们在春天喜欢去春游、放风筝、植树，滑雪是冬天的活动，故选D。 34. A 解析：细节理解题。根据第二段最后一句“We can observe the changes of plants and animals, and understand how nature works.”可知，春天适合了解自然是因为我们可以观察动植物的变化，故选A。 35. C 解析：主旨大意题。通读全文可知，文章主要介绍了春天的特点、活动以及春天的重要性，故选C。 B篇 36. A 解析：细节理解题。根据第一段第一、二句“Protecting nature is important for us, especially in spring. Spring is the season when all living things grow and develop.”可知，春天是万物生长发育的季节，所以保护自然在春天尤其重要，故选A。 37. B 解析：细节理解题。根据第一段第四句“For example, some people pick flowers, cut down trees and throw rubbish in the park. These actions destroy the beauty of spring and hurt living things.”可知，摘花是对自然有害的行为，故选B；A、C、D选项都是保护自然的行为。 38. C 解析：细节理解题。根据第二段“First... Second... Third... Fourth...”可知，文章提到了4种在春天保护自然的方法，故选C。 39. B 解析：词义猜测题。结合上下文可知，我们应该仔细观察自然，学会与自然和谐相处，所以“harmony”意为“和谐”，故选B。 40. C 解析：主旨大意题。通读全文可知，文章主要介绍了春天保护自然的重要性以及具体方法，故选C。 C篇 41. B 解析：细节理解题。根据第一段第二句“I love spring very much because it is a beautiful and lively season.”可知，琳达喜欢春天是因为它美丽而充满活力，故选B。 42. C 解析：细节理解题。根据第一段第三句“Every spring, I go to the park with my family to enjoy the scenery.”可知，琳达每年春天和家人去公园欣赏风景，故选C。 43. A 解析：细节理解题。根据第二段第一句“This spring, I joined the school tree-planting activity.”可知，琳达今年春天参加了学校的植树活动，故选A。 44. B 解析：细节理解题。根据第二段第四句“I also started a nature diary to record the changes of the trees.”可知，琳达通过写自然日记来记录树的变化，故选B。 45. A 解析：细节理解题。根据第三段第二句“It teaches us to love nature and cherish life.”可知，琳达从春天学到了热爱自然、珍惜生命，故选A。 Ⅳ. 词汇运用（15 分） A) 46. rises 解析：句意：春天来了，气温上升，雪融化了。rise“上升”，主语The temperature是单数，谓语动词用第三人称单数形式rises，故填rises。 47. protect 解析：句意：我们应该保护动植物，让我们的世界保持美丽。should 为情态动词，后加动词原形，故填“protect”。 48. outings 解析：句意：很多人去春游，欣赏美丽的风景。outing“短途旅行”，go for spring outings“去春游”，此处用复数形式表泛指，故填outings。 49. observe 解析：句意：观察自然是了解季节变化的好方法。observe“观察”，it’s a good way to do sth. 表示“做某事是一种好方法”，to后接动词原形，故填observe。 50. bloom 解析：句意：花在春天开放，让世界变得五彩缤纷。bloom“开放”，主语The flowers是复数，谓语动词用原形，故填bloom。 B) 51. had planted 解析：考查宾语从句时态呼应。句意：我的老师告诉我他年轻时种了很多树。主句是一般过去时，宾语从句中“种树”发生在主句动作“告诉”之前，用过去完成时，结构为“had + 过去分词”，plant的过去分词是planted，故填had planted。 52. can 解析：考查宾语从句时态。句意：她想知道今年春天她是否能加入学校自然俱乐部。宾语从句中“can”表示“能够”，不受主句时态影响，用原形，故填can。 53. are planted 解析：考查一般现在时被动语态。句意：每年春天我们城市都会种很多树。主语Many trees与plant是被动关系，描述客观事实，用一般现在时被动语态，结构为“are + 过去分词”，plant的过去分词是planted，故填are planted。 54. are encouraged 解析：考查一般现在时被动语态。句意：我们每天都被鼓励保护自然、热爱生活。主语We与encourage是被动关系，描述客观事实，用一般现在时被动语态，结构为“are + 过去分词”，encourage的过去分词是encouraged，故填are encouraged。 55. was flying 解析：考查过去进行时。句意：昨天下午我看到他的时候，他正在公园里放风筝。when引导的时间状语从句用一般过去时，主句用过去进行时，结构为“was/were + 现在分词”，主语He是单数，be动词用was，fly的现在分词是flying，故填was flying。 C) 56. enjoy 解析：句意：当我们出去的时候，我们可以欣赏春天美丽的风景。enjoy“欣赏、享受”，can后接动词原形，故填enjoy。 57. include 解析：句意：春天的活动包括放风筝、植树和野餐。include“包括”，主语The activities是复数，谓语动词用原形，故填include。 58. protect 解析：句意：我们的责任是保护自然，与它和谐相处。protect“保护”，不定式to后接动词原形，故填protect。 59. observe 解析：句意：我们应该仔细观察动植物的变化。observe“观察”，should后接动词原形，故填observe。 60. bloom 解析：句意：花在春天开放，给人们带来欢乐。bloom“开放”，主语Flowers是复数，谓语动词用原形，故填bloom。 Ⅴ. 句型转换（10 分） 61. that spring 解析：将简单句改为含有宾语从句的复合句，宾语从句是陈述句，连接词用that，从句主语spring不变，故填that spring。 62.if; had 解析：直接引语是现在完成时的一般疑问句，改为宾语从句时，连接词用if，主句是一般过去时，从句用过去完成时，have的过去分词是had，故填if; had。 63.that; can 解析：直接引语是陈述句，改为宾语从句时，连接词用that，时态不受主句影响，仍用一般现在时，can用原形，故填that; can。 64.reason why 解析：why引导的宾语从句可转换为“the reason why...”（……的原因），故填reason why。 65.had observed 解析：直接引语是现在完成时，改为宾语从句时，主句是一般过去时，从句用过去完成时，结构为“had + 过去分词”，observe的过去分词是observed，故填had observed。 66.plant 解析：一般现在时被动语态变主动语态，主语变为People，谓语动词用原形plant，故填plant。 67.How do 解析：对方式状语提问，用how，原句是一般现在时，疑问句中助动词用do，故填How do。 68.can’t be 解析：must表肯定推测，否定形式是can’t be，表“不可能”，故填can’t be。 69.whether she 解析：if与whether都可表示“是否”，可互换，从句语序不变，故填whether she 。 70.will be observed 解析：一般将来时主动语态变被动语态，结构为“will be + 过去分词”，observe的过去分词是observed，故填will be observed。 Ⅵ. 书面表达（10 分） 参考范文 Dear Mike, I’m glad to receive your email. You asked about spring in China and what I usually do in spring. I’d like to tell you about it. Spring in China is warm and lively. The temperature rises, and the snow melts. Trees turn green and flowers bloom everywhere. I usually go for spring outings with my friends on weekends. Sometimes I join the tree-planting activity to protect the environment. I also like to observe the changes of plants and keep a nature diary. I love spring because it brings hope and beauty. Spring in China is really beautiful. I hope you can come to China one day to enjoy the beautiful spring with me. Please write to me and tell me about spring in your country soon. Yours, Li Hua 学科网（北京）股份有限公司 $