Unit 3单元卷2025-2026学年仁爱科普版七年级英语上册

Unit 3 测试卷 （全卷共八个大题 满分：150分 考试时间：120分钟） 第I卷（共100分） I.听力测试。（共35分） 略 〖HTH〗II.语法选择。（每小题1分，共10分）〖HT〗〖HT〗 根据短文内容，从A、B、C三个选项中选出一个语法正确的答案。 Good afternoon, everyone! My name is Omni Kumar. And I am from India (印度). I’m a new student in Deli Public Middle School. I would like ____25____ you around my school. My school is not big, ____26____ it is clean and beautiful. There are four ____27____ in our school—a classroom building, a dining hall, ____28____ office building and a library. The library is a big building ___29____ a lot of books. Our classrooms are different from others. There are some short desks in it, but there aren’t any chairs. Everyone of us ____30____ on different cushions (坐垫). They are red, orange, blue, brown and yellow. They are for students. And we all like ____31____ . And there is a teacher’s desk in the front of the classroom. On the desk, there is a computer. There ____32____ also a national flag and some beautiful pictures on the wall. Our classroom looks very ____32____ because of them. ____34____ is your classroom like? I really want to know it. ( ) 25. A. shows B. show C. to show ( ) 26. A. so B. or C. but ( ) 27. A. building B. buildings C. build ( ) 28. A. an B. a C. the ( ) 29. A. on B. with C. of ( ) 30. A. sits B. sit C. sitting ( ) 31. A. them B. they C. theirs ( ) 32. A. are B. am C. is ( ) 33. A. beauty B. beautiful C. beautifully ( ) 34. A. What B. How C. Which 〖HTH〗III.完形填空。（每小题1.5分，共15分）〖HT〗 根据短文内容，从A、B、C、D四个选项中选出一个能填入相应空格内的最佳答案。 Today is Tuesday. We have a(n) 35 class in the morning. It starts at 8:30, but I am 36 for it. I often 37 school at about 7:40, 38 today I get there late. At about nine o’clock I get to the classroom. I’m really 39 . My English teacher, Miss Green, is very kind to me. She is waiting (等候) for me and 40 me in. How nice she is! In the afternoon, 41 class, we usually go to clubs. We have 42 clubs. Students can learn how to draw, sing, dance and play the instruments well. Also we have sports clubs. Students can learn basketball, soccer and baseball there. I like dancing, but I am in the 43 club. Every afternoon, I go to the baseball club 44 because I don’t want to be late. On weekends I play baseball with my friends. ( ) 35．A．maths B．history C．Chinese D．English ( ) 36．A．happy B．late C．new D．bored ( ) 37．A．take in B．look at C．get to D．work in ( ) 38．A．or B．and C．after D．but ( ) 39．A．sorry B．excited C．nice D．happy ( ) 40．A．speaks B．meets C．lets D．joins ( ) 41．A．with B．after C．for D．before ( ) 42．A．English B．sports C．art D．swimming ( ) 43．A．baseball B．basketball C．soccer D．volleyball ( ) 44．A．late B．early C．never D．usually IV.阅读理解。（每小题2分，共30分） 阅读下列材料，从A、B、C、D四个选项中选出最佳答案。 A ( )45. Who is the ad for? A. Teachers. B. Children. C. Parents. D. Doctors. ( ) 46. How long can they stay in the club each time? A. For 2 hours. B. For 3 hours. C. For 5 hours. D. For 8 hours. ( ) 47. Which of the following is TRUE according to the ad? A. The books there are very old. B. The books there are about birds. C. There is a reading activity every month. D. We must go to another city to join the club. B 1st Day of School I have a new lunchbox. My shoes are shiny, clean. I have a cool，new schoolbag, and a pencil box that’s green. But I don’t know my teacher, or where my desk will be. I don’t know if (是否) I’ll like the kids, or if they’ll play with me. I look inside my classroom. I stand there for a while. My teacher’s tall and kind of loud but has a great big smile. And, best of all, my favourite book is on the shelf! I say goodbye to my mum, and walk in by myself. ( ) 48. What is the poem (诗歌) about? A. School classes. B. Friends at school. C. Study at school. D. The first day of school. ( ) 49. How does the kid go to school? A. With her mother. B. In her new shoes. C. By herself. D. With her green schoolbag. ( ) 50. What can we learn from this poem? A. The kid will have lunch at home. B. The kid knows her classmates well. C. The teacher smiles at her students. D. The teacher gives the kid a book. ( ) 51. Which of the following shows the kid’s changing feelings (情感变化) in three places? a= at home b=on the way (路上) c=outside (在……外面) the classroom A. B. C. D. C ①Hi! I'm Han Meimei. I'm a student of Class 5. At school, my favorite day is Thursday. ②On Thursday, I have math at 8: 00. I think math is useful. Then at 9: 00 I have science. It's difficult but interesting. At 10: 00 I have history. It's easy. After that, I have art at 11: 00. Art is my favorite subject. It is great fun. Mr. Zhao is our art teacher. He draws beautifu1 pictures. ③Lunch is from 12: 00 to 1: 00. Lunch in my school is good. We eat well. The food is healthy. And the healthy food helps us think well. ④In the afternoon, we have two classes, music and P. E. They are relaxing. I often sing and dance in music classes and play soccer with my classmates in P.E.classes. ⑤My classes finish at 3: 30, but after that I always play ping-pong with my friends for one hour. Then I walk back home. ⑥I like Thursday very much. How about you? ( ) 52. Han Meimei thinks math is___. A. easy B.useful C.relaxing D.interesting ( ) 53. Lunch finishes at ______. A. 1: 00 p.m. B.12: 00 p.m. C.11: 30 a.m. D.11: 00 a.m. ( ) 54. is Han Meimei's favorite subject. A.Art B. History C.Music D. PE ( ) 55. How can we put the passage into three parts?(我们可以怎样将文章分为三个部分) A . ①②;③④;⑤⑥ B. ①②③: ④⑤;⑥ C . ①; ②③④; ⑤⑥ D . ①; ②③④⑤; ⑥ D This is our first English lesson in my new school. Our English teacher Ms Li writes the saying “Learning without thinking is of no use. —Mencius (孟子)” on the blackboard and says, “Please write it down. It’s useful.” We start to write, but I put down my pen. “That’s not right. But is it OK to point out (指出) the mistake? Is that right in the first lesson?” Questions jump into my mind. “Why don’t you write, Wang Han?” Ms Li asks me. I look up at Ms Li. My eyes meet hers. I think I know the saying a lot. I need to say something about it, and then ▲ . “Ms Li, there’s a mistake,” I say. “That saying is from Confucius (孔子), not from Mencius.” “Well done, Wang Han. In fact, this is my first English lesson for all of you. You are now in junior high school. I give you the saying to tell you that learning can be difficult, but it’s important to think more in your learning. Please always remember this,” says Ms Li. That’s really an important lesson! ( ) 56. What does the word “useful” describe (描述) ? A. The English lesson. B. The new school. C. The saying. D. The blackboard. ( ) 57. Which sentence (句子) can be put in the ▲ ? A. I talk to my classmate B. I do my homework for a while C. I go to the classroom D. I put up my hand and stand up 根据以下思维导图，完成小题。 Who is the teacher? ① What do I learn from the lesson? Learning without thinking is of no use. How does the teacher teach us? The teacher writes down the saying on the blackboard, but I find there’s a ② . What do I think of the lesson? It’s a/an ③ lesson. ( ) 58. From the passage (文章) , we know ①, ②, ③ are ________. A. ①Ms Li ②surprise ③easy B. ①Ms Li ②mistake ③important C ①Mencius ②mistake ③important D. ①Confucius ②surprise ③easy ( ) 59. The right title (标题) for the passage (文章) is ________. A. A Funny Mistake B. My Favorite Saying C. An Exciting Conversation D. My First English Lesson 〖HTH〗V.口语应用。（每小题2分，共10分）〖HT〗 阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话。 A. What time is your first class? B. I think history is interesting, too. C. I eat breakfast then. D. But it’s good for us to read history books. E. When do you usually get up? F. Do you have breakfast at home? G. When do you have breakfast? Lucy: Good morning, Alice. You are so early today. ___60____ Alice: At about 6:40 a.m. How about you? Lucy: I usually rise at six. What do you usually do then? Alice: ____61____ Lucy: ____62____ Alice: Yes, I do. I usually have eggs and milk. ____63____. Lucy: At 8 o’clock. And today it’s my favorite history class. I think it’s important and interesting. Do you like history? Alice: Not really. ____64____ Lucy: Exactly. Oh, here’s my classroom, bye! Alice: Goodbye! 60. 61. 62. 63. 64. 第Ⅱ卷（共50分） VI.任务型阅读。（第65-66小题，每小题2分，67-68小题，每小题3分，共10分） 阅读下文并回答问题。 This term, Xiao Yang has a new subject, geography, but he doesn't like it. “It's not useful at all," he thinks. So he always plays games in class. Mr. Wang is his geography teacher. He is nice to the students in his class. One day, he finds Xiao Yang isn't interested in his class. He comes to Xiao Yang's desk and asks,“Hi, Xiao Yang.Where are you from?" "I'm from Chongqing, Mr. Wang." “Oh, that's a nice place! Can I ask you some questions?" “Sure.” “Why are there many mountains in Chongqing? Where does Jialing River start? And why is it so hot in Chongqing from July to September?" “I'm sorry, Mr. Wang. I don't know," Xiao Yang says. "Do you want to know?" Mr. Wang asks. “Yes, Mr.Wang.But how?" “Well, you see, your games can't help you, but geography can. Do you understand its importance now?" “Sure, I get it." “So now let's start the lesson.OK?" “OK. I'm happy to...” 65. Does Xiao Yang think geography is not useful at first? 66. How can Xiao Yang learn about the mountains in Chongqing and Jialing River? 67. Why does Mr. Wang ask Xiao Yang questions? 68. What do you think of Mr Wang? Why? 〖HTH〗VII. 完成句子。（69-72小题，每空1分，73小题2分，共10分）〖HT〗 根据所给提示，完成句子。69-72小题，每空一词，含缩略词，73小题请将完整的句子写在横线上。 69. There are some notebooks on the desk.（改为否定句） There notebooks on the desk. 70. Mona’s computer game is in the table. (对画线部分提问) Mona’s computer? 71. He takes a bus to school every day.（改为同义句） He goes to school every day. 72. 放学后我们参加不同的社团，玩得很开心。（完成译句） We all have different clubs after school. 73. Chinese，he，it，fun，is，likes，because (连词成句) . VIII.阅读填空。（共10分） Bill is a middle school student. Of all the subjects, he thinks maths is difficult . One day, he says to his mum, “I don’t want to have maths.” His mum asks him why and he says he doesn’t know what the teacher talks about every class. He thinks maths is not easy and it is boring for him. His mum says, “Don’t worry, dear. I can be your maths teacher.” “That sounds great!” Bill says happily. Every day after school, Bill learns maths with his mother for one hour. Bill likes his mother’s “classes”. He is interested in maths now. One day, when Bill goes to bed after doing homework, he finds his mother doing something at the desk. He sees his mother learning maths on the Internet(因特网). He knows why his mother does well in maths. There is nothing(没有任何事) a mother can’t do for her children. As children, we must(必须) thank our mums for all that they do for us. Summary（概要） Problem: Bill doesn’t want to have maths because he thinks maths is 74 for him. What Bill’s mother does: ·She asks the reasons and says 75 . ·She learns maths on the Internet. Result(结果): ·Bill learns maths with his mother and is interested in maths now. ·He knows why his mother is 76 maths. Conclusion(结论): 77 for her children. 74. 75. （不超过6个单词） 75. 77. （不超过7个单词） 〖HTH〗IX. 书面表达。（满分20分）〖HT〗 同学们进入初中快一学期了，相信大家初中学校生活一定丰富多彩。假如你是笔友Lily来信询问你的学校生活情况。请根据以下要点内容，给她回复一封电子邮件，开头和结尾已给出，不计入总词数。 要点：1.在校的饮食情况；2.课后活动；3.喜爱的学科和原因。 Dear Lily, Nice to write to you again. Best wishes, Li Hua 学科网（北京）股份有限公司 $ Unit 3 测试卷 （全卷共八个大题 满分：150分 考试时间：120分钟） 第I卷（共100分） I.听力测试。（共35分） 略 〖HTH〗II.语法选择。（每小题1分，共10分）〖HT〗〖HT〗 根据短文内容，从A、B、C三个选项中选出一个语法正确的答案。 Good afternoon, everyone! My name is Omni Kumar. And I am from India (印度). I’m a new student in Deli Public Middle School. I would like ____25____ you around my school. My school is not big, ____26____ it is clean and beautiful. There are four ____27____ in our school—a classroom building, a dining hall, ____28____ office building and a library. The library is a big building ___29____ a lot of books. Our classrooms are different from others. There are some short desks in it, but there aren’t any chairs. Everyone of us ____30____ on different cushions (坐垫). They are red, orange, blue, brown and yellow. They are for students. And we all like ____31____ . And there is a teacher’s desk in the front of the classroom. On the desk, there is a computer. There ____32____ also a national flag and some beautiful pictures on the wall. Our classroom looks very ____32____ because of them. ____34____ is your classroom like? I really want to know it. ( C ) 25. A. shows B. show C. to show ( C ) 26. A. so B. or C. but ( B ) 27. A. building B. buildings C. build ( A ) 28. A. an B. a C. the ( B ) 29. A. on B. with C. of ( A ) 30. A. sits B. sit C. sitting ( A ) 31. A. them B. they C. theirs ( C ) 32. A. are B. am C. is ( B ) 33. A. beauty B. beautiful C. beautifully ( A ) 34. A. What B. How C. Which 〖HTH〗III.完形填空。（每小题1.5分，共15分）〖HT〗 根据短文内容，从A、B、C、D四个选项中选出一个能填入相应空格内的最佳答案。 Today is Tuesday. We have a(n) 35 class in the morning. It starts at 8:30, but I am 36 for it. I often 37 school at about 7:40, 38 today I get there late. At about nine o’clock I get to the classroom. I’m really 39 . My English teacher, Miss Green, is very kind to me. She is waiting (等候) for me and 40 me in. How nice she is! In the afternoon, 41 class, we usually go to clubs. We have 42 clubs. Students can learn how to draw, sing, dance and play the instruments well. Also we have sports clubs. Students can learn basketball, soccer and baseball there. I like dancing, but I am in the 43 club. Every afternoon, I go to the baseball club 44 because I don’t want to be late. On weekends I play baseball with my friends. ( D ) 35．A．maths B．history C．Chinese D．English ( B ) 36．A．happy B．late C．new D．bored ( C ) 37．A．take in B．look at C．get to D．work in ( D ) 38．A．or B．and C．after D．but ( A ) 39．A．sorry B．excited C．nice D．happy ( C ) 40．A．speaks B．meets C．lets D．joins ( B ) 41．A．with B．after C．for D．before ( C ) 42．A．English B．sports C．art D．swimming ( A ) 43．A．baseball B．basketball C．soccer D．volleyball ( B ) 44．A．late B．early C．never D．usually IV.阅读理解。（每小题2分，共30分） 阅读下列材料，从A、B、C、D四个选项中选出最佳答案。 A ( B )45. Who is the ad for? A. Teachers. B. Children. C. Parents. D. Doctors. ( A ) 46. How long can they stay in the club each time? A. For 2 hours. B. For 3 hours. C. For 5 hours. D. For 8 hours. ( C ) 47. Which of the following is TRUE according to the ad? A. The books there are very old. B. The books there are about birds. C. There is a reading activity every month. D. We must go to another city to join the club. B 1st Day of School I have a new lunchbox. My shoes are shiny, clean. I have a cool，new schoolbag, and a pencil box that’s green. But I don’t know my teacher, or where my desk will be. I don’t know if (是否) I’ll like the kids, or if they’ll play with me. I look inside my classroom. I stand there for a while. My teacher’s tall and kind of loud but has a great big smile. And, best of all, my favourite book is on the shelf! I say goodbye to my mum, and walk in by myself. ( D ) 48. What is the poem (诗歌) about? A. School classes. B. Friends at school. C. Study at school. D. The first day of school. ( A ) 49. How does the kid go to school? A. With her mother. B. In her new shoes. C. By herself. D. With her green schoolbag. ( C ) 50. What can we learn from this poem? A. The kid will have lunch at home. B. The kid knows her classmates well. C. The teacher smiles at her students. D. The teacher gives the kid a book. ( C ) 51. Which of the following shows the kid’s changing feelings (情感变化) in three places? a= at home b=on the way (路上) c=outside (在……外面) the classroom A. B. C. D. C ①Hi! I'm Han Meimei. I'm a student of Class 5. At school, my favorite day is Thursday. ②On Thursday, I have math at 8: 00. I think math is useful. Then at 9: 00 I have science. It's difficult but interesting. At 10: 00 I have history. It's easy. After that, I have art at 11: 00. Art is my favorite subject. It is great fun. Mr. Zhao is our art teacher. He draws beautifu1 pictures. ③Lunch is from 12: 00 to 1: 00. Lunch in my school is good. We eat well. The food is healthy. And the healthy food helps us think well. ④In the afternoon, we have two classes, music and P. E. They are relaxing. I often sing and dance in music classes and play soccer with my classmates in P.E.classes. ⑤My classes finish at 3: 30, but after that I always play ping-pong with my friends for one hour. Then I walk back home. ⑥I like Thursday very much. How about you? ( B ) 52. Han Meimei thinks math is___. A. easy B.useful C.relaxing D.interesting ( A ) 53. Lunch finishes at ______. A. 1: 00 p.m. B.12: 00 p.m. C.11: 30 a.m. D.11: 00 a.m. ( A ) 54. is Han Meimei's favorite subject. A.Art B. History C.Music D. PE ( D ) 55. How can we put the passage into three parts?(我们可以怎样将文章分为三个部分) A . ①②;③④;⑤⑥ B. ①②③: ④⑤;⑥ C . ①; ②③④; ⑤⑥ D . ①; ②③④⑤; ⑥ D This is our first English lesson in my new school. Our English teacher Ms Li writes the saying “Learning without thinking is of no use. —Mencius (孟子)” on the blackboard and says, “Please write it down. It’s useful.” We start to write, but I put down my pen. “That’s not right. But is it OK to point out (指出) the mistake? Is that right in the first lesson?” Questions jump into my mind. “Why don’t you write, Wang Han?” Ms Li asks me. I look up at Ms Li. My eyes meet hers. I think I know the saying a lot. I need to say something about it, and then ▲ . “Ms Li, there’s a mistake,” I say. “That saying is from Confucius (孔子), not from Mencius.” “Well done, Wang Han. In fact, this is my first English lesson for all of you. You are now in junior high school. I give you the saying to tell you that learning can be difficult, but it’s important to think more in your learning. Please always remember this,” says Ms Li. That’s really an important lesson! ( C ) 56. What does the word “useful” describe (描述) ? A. The English lesson. B. The new school. C. The saying. D. The blackboard. ( D ) 57. Which sentence (句子) can be put in the ▲ ? A. I talk to my classmate B. I do my homework for a while C. I go to the classroom D. I put up my hand and stand up 根据以下思维导图，完成小题。 Who is the teacher? ① What do I learn from the lesson? Learning without thinking is of no use. How does the teacher teach us? The teacher writes down the saying on the blackboard, but I find there’s a ② . What do I think of the lesson? It’s a/an ③ lesson. ( B ) 58. From the passage (文章) , we know ①, ②, ③ are ________. A. ①Ms Li ②surprise ③easy B. ①Ms Li ②mistake ③important C ①Mencius ②mistake ③important D. ①Confucius ②surprise ③easy ( D ) 59. The right title (标题) for the passage (文章) is ________. A. A Funny Mistake B. My Favorite Saying C. An Exciting Conversation D. My First English Lesson 〖HTH〗V.口语应用。（每小题2分，共10分）〖HT〗 阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话。 A. What time is your first class? B. I think history is interesting, too. C. I eat breakfast then. D. But it’s good for us to read history books. E. When do you usually get up? F. Do you have breakfast at home? G. When do you have breakfast? Lucy: Good morning, Alice. You are so early today. ___60____ Alice: At about 6:40 a.m. How about you? Lucy: I usually rise at six. What do you usually do then? Alice: ____61____ Lucy: ____62____ Alice: Yes, I do. I usually have eggs and milk. ____63____. Lucy: At 8 o’clock. And today it’s my favorite history class. I think it’s important and interesting. Do you like history? Alice: Not really. ____64____ Lucy: Exactly. Oh, here’s my classroom, bye! Alice: Goodbye! 60. E 61. C 62. F 63. A 64. D 第Ⅱ卷（共50分） VI.任务型阅读。（第65-66小题，每小题2分，67-68小题，每小题3分，共10分） 阅读下文并回答问题。 This term, Xiao Yang has a new subject, geography, but he doesn't like it. “It's not useful at all," he thinks. So he always plays games in class. Mr. Wang is his geography teacher. He is nice to the students in his class. One day, he finds Xiao Yang isn't interested in his class. He comes to Xiao Yang's desk and asks,“Hi, Xiao Yang.Where are you from?" "I'm from Chongqing, Mr. Wang." “Oh, that's a nice place! Can I ask you some questions?" “Sure.” “Why are there many mountains in Chongqing? Where does Jialing River start? And why is it so hot in Chongqing from July to September?" “I'm sorry, Mr. Wang. I don't know," Xiao Yang says. "Do you want to know?" Mr. Wang asks. “Yes, Mr.Wang.But how?" “Well, you see, your games can't help you, but geography can. Do you understand its importance now?" “Sure, I get it." “So now let's start the lesson.OK?" “OK. I'm happy to...” 65. Does Xiao Yang think geography is not useful at first? Yes. /Yes, he does. 66. How can Xiao Yang learn about the mountains in Chongqing and Jialing River? By learning geography. 67. Why does Mr. Wang ask Xiao Yang questions? Because he wants to help Xiao Yang realize the importance of geography. 68. What do you think of Mr Wang? Why? Mr Wang is a wise teacher. Because he uses questions to stimulate Xiao Yang’s interest in learning geography. 〖HTH〗VII. 完成句子。（69-72小题，每空1分，73小题2分，共10分）〖HT〗 根据所给提示，完成句子。69-72小题，每空一词，含缩略词，73小题请将完整的句子写在横线上。 69. There are some notebooks on the desk.（改为否定句） There aren’t any notebooks on the desk. 70. Mona’s computer game is in the table. (对画线部分提问) Where is Mona’s computer? 71. He takes a bus to school every day.（改为同义句） He goes to school by bus every day. 72. 放学后我们参加不同的社团，玩得很开心。（完成译句） We all have fun joining different clubs after school. 73. Chinese，he，it，fun，is，likes，because (连词成句) He likes Chinese because it is fun . VIII.阅读填空。（共10分） Bill is a middle school student. Of all the subjects, he thinks maths is difficult . One day, he says to his mum, “I don’t want to have maths.” His mum asks him why and he says he doesn’t know what the teacher talks about every class. He thinks maths is not easy and it is boring for him. His mum says, “Don’t worry, dear. I can be your maths teacher.” “That sounds great!” Bill says happily. Every day after school, Bill learns maths with his mother for one hour. Bill likes his mother’s “classes”. He is interested in maths now. One day, when Bill goes to bed after doing homework, he finds his mother doing something at the desk. He sees his mother learning maths on the Internet(因特网). He knows why his mother does well in maths. There is nothing(没有任何事) a mother can’t do for her children. As children, we must(必须) thank our mums for all that they do for us. Summary（概要） Problem: Bill doesn’t want to have maths because he thinks maths is 74 for him. What Bill’s mother does: ·She asks the reasons and says 75 . ·She learns maths on the Internet. Result(结果): ·Bill learns maths with his mother and is interested in maths now. ·He knows why his mother is 76 maths. Conclusion(结论): 77 for her children. 74. difficult and boring 75. she can be Bill’s maths teacher （不超过6个单词） 76.good at 77. A mother can do all that she can （不超过7个单词） 〖HTH〗IX. 书面表达。（满分20分）〖HT〗 同学们进入初中快一学期了，相信大家初中学校生活一定丰富多彩。假如你是笔友Lily来信询问你的学校生活情况。请根据以下要点内容，给她回复一封电子邮件，开头和结尾已给出，不计入总词数。 要点：1.在校的饮食情况；2.课后活动；3.喜爱的学科和原因。 Dear Lily, Nice to write to you again. Now let me tell you something about my school life. I like eating rice, chicken and vegetables at school. They are good for me. I play sports for about two hours every day, I often play tennis and volleyball with my friends. They are difficult but interesting. I have some subjects every day. My favorite subjects are music and biology. Music is interesting. I can sing many songs. Biology is fun and useful. I have a good time at school and I like my school life very much. Best wishes, Li Hua 学科网（北京）股份有限公司 $