Unit 6词汇综合练习2025-2026学年人教版英语七年级上册

人教版七年级Unit 6 词汇综合练习 词汇分类考点（名词+动词+形容词副词代词）+代词虚词填空+各个词性混考+一词多义 一、名词 1. The __________(report) is interviewing our headteacher about the sports meeting. 2. Both __________(一半) of the cake are eaten by the children quickly. 3. This __________(周末) we are going to visit the science museum. 4. Many __________(连衣裙) are on sale in the shopping mall this weekend. 5. That English __________(课程) taught us a lot of new words. 6. A lot of __________(电影) for children are educational and fun. 7. This is a __________(记者) camera for taking photos during the interview. 8. The first two classes are followed by a __________(休息) of fifteen minutes. 9. All __________(部分) of the project must be finished on time. 10. The __________(冰) on the lake is thick enough for us to skate on. 11. Some __________(淋浴器) are broken and need to be repaired. 12. Many __________(谚语) in Chinese culture are full of wisdom. 13. My morning __________(常规) includes running for 15 minutes. 14. The __________(牙齿) hurts badly when I eat cold food. 15. I want to learn __________(芬兰语) because it sounds interesting. 16. The __________(上升) of the sun makes the world bright and warm. 17. This __________(午饭) includes rice, meat and vegetables. 18. I help my mother with __________(家务) like washing dishes after dinner. 19. It is a __________(职责) of every student to keep the classroom clean. 20. A __________(早餐) with eggs and milk is good for our health. 21. That __________(晚餐) at my grandma’s home was very tasty. 22. A lot of __________(餐厅) in our city offer free delivery services. 23. We play __________(曲棍球) on the playground every Friday afternoon. 24. I waited for a __________(一会) but my friend didn’t come. 25. I spend one hour finishing my __________(作业) every evening. 26. Three __________(四分之一) of the apple is/are eaten by Bob. 27. This __________(刷子) is used to clean the blackboard in our classroom. 一、名词（考查单复数、词性匹配） 1. reporter（解析：空前有定冠词 The，结合句意 “记者正在采访校长”，用可数名词单数） 2. halves（解析：both 后接可数名词复数，half 的复数形式为 halves，不规则变化） 3. weekend（解析：this 后接单数名词，“这个周末” 用 this weekend） 4. dresses（解析：many 后接可数名词复数，dress 的复数为 dresses，以 s 结尾加 es） 5. lesson（解析：that 后接单数名词，“那节英语课” 用 that English lesson） 6. films（解析：a lot of 后接可数名词复数，film 的复数为 films） 7. reporter’s（解析：此处需所有格表 “记者的相机”，单数名词所有格加’s） 8. break（解析：a 后接单数名词，“十五分钟的休息” 用 a break of fifteen minutes） 9. parts（解析：all 后接可数名词复数，part 的复数为 parts） 10. ice（解析：ice 为不可数名词，无复数形式，“湖上的冰” 直接用 the ice） 11. showers（解析：some 后接可数名词复数，shower 的复数为 showers） 12. sayings（解析：many 后接可数名词复数，saying 的复数为 sayings） 13. routine（解析：my 后接单数名词，“我的晨间常规” 用 my morning routine） 14. tooth（解析：空后谓语动词 hurts 为单数，主语用可数名词单数 tooth） 15. Finnish（解析：此处指 “芬兰语”，为不可数名词，无复数形式） 16. rise（解析：the 后接名词，“太阳的升起” 用 the rise of the sun，rise 为名词词性） 17. lunch（解析：this 后接单数名词，“这顿午饭” 用 this lunch） 18. housework（解析：housework 为不可数名词，“帮助做家务” 用 help with housework） 19. duty（解析：a 后接单数名词，“一项职责” 用 a duty） 20. breakfast（解析：a 后接单数名词，“一顿有蛋和牛奶的早餐” 用 a breakfast） 21. dinner（解析：that 后接单数名词，“奶奶家的那顿晚餐” 用 that dinner） 22. restaurants（解析：a lot of 后接可数名词复数，restaurant 的复数为 restaurants） 23. hockey（解析：hockey 为不可数名词，“打曲棍球” 用 play hockey，无复数） 24. while（解析：a 后接单数名词，“等了一会儿” 用 wait for a while） 25. homework（解析：homework 为不可数名词，“完成作业” 用 finish homework） 26. quarters（解析：three 后接可数名词复数，quarter 的复数为 quarters） 27. brush（解析：this 后接单数名词，“这个刷子” 用 this brush） 二、动词 1. It’s healthy __________(go) to bed early and get up early. 2. She __________(穿衣服) her little sister every morning. 3. He has no time to __________(淋浴) or change clothes. 4. Let’s __________(起床) up early to watch the sunrise. 5. It’s difficult __________(prepare) a speech in one hour. 6. It’s important __________(brush) our hair to look tidy. 7. She __________(take) a shower every evening. 8. He likes __________(rise) early to do morning exercises. 9. She likes __________(开启) her day with a glass of milk. 10. It’s an important thing __________(get) dressed neatly for school. 11. My father often __________(stay) up late to finish his work. 12. I want __________(break) the bad habit of being late. 13. We need __________(finish) the project before Friday. 14. We should spend more time __________(make) use of online resources to learn. 15. He often __________(询问) his classmates about English grammar. 二、动词（考查非谓语动词、三单、动词原形） 1. to go（解析：固定句型 It’s + 形容词 + to do sth.，“早睡早起很健康” 用 to go） 2. dresses（解析：every morning 为一般现在时标志，主语 she 为三单，dress 的三单为 dresses） 3. shower（解析：have no time to do sth.，to 后接动词原形，“没时间淋浴” 用 to shower） 4. get（解析：Let’s 后接动词原形，“起床” 用 get up，固定短语） 5. to prepare（解析：固定句型 It’s + 形容词 + to do sth.，“准备演讲很难” 用 to prepare） 6. to brush（解析：固定句型 It’s + 形容词 + to do sth.，“梳头很重要” 用 to brush） 7. takes（解析：every evening 为一般现在时标志，主语 she 为三单，take 的三单为 takes） 8. rising（解析：like doing sth.，“喜欢早起” 用 like rising early） 9. beginning（解析：like doing sth.，“开启一天” 用 beginning her day，begin 的动名词为 beginning） 10. to get（解析：固定句型 It’s + 名词 + to do sth.，“穿整洁很重要” 用 to get） 11. stays（解析：often 为一般现在时标志，主语 my father 为三单，stay 的三单为 stays） 12. to break（解析：want to do sth.，“想要改掉坏习惯” 用 to break） 13. to finish（解析：need to do sth.，“需要完成项目” 用 to finish） 14. making（解析：spend time doing sth.，“花费时间利用资源” 用 making use of） 15. asks（解析：often 为一般现在时标志，主语 he 为三单，“询问” 用 asks） 三、形容词副词和其他词性 1. __________(大约) fifty people die of hunger every day in the camp. 2. I __________(通常) get up at 7 o’clock in the morning. 3. I __________(只) have one hour to finish my homework. 4. I always brush my teeth __________(在…之前) I go to bed. 5. It’s __________(已经) 8 o’clock; we must go to school now. 6. It’s sunny today; let’s play __________(在外面). 7. It’s too __________(暗的) in the room to read the book clearly. 8. Leaving work at five __________(整点) means I eat dinner with my family. 9. She is an __________(早的) bird and gets up at 6 a.m. every day. 10. We have a __________(日常的) English quiz to practice new words. 11. You can go swimming __________(当…的时候) I’m having lunch. 三、形容词副词和其他词性（考查词性辨析、词义匹配） 1. Around（解析：此处需副词 “大约”，句首首字母大写，修饰数词 fifty） 2. usually（解析：需频率副词 “通常”，修饰动词 get up，用 usually） 3. only（解析：需副词 “只”，修饰动词 have，用 only） 4. before（解析：需连词 “在… 之前”，引导时间状语从句，用 before） 5. already（解析：需副词 “已经”，用于肯定句中，强调 “已经八点了”） 6. outside（解析：需副词 “在外面”，修饰动词 play，用 outside） 7. dark（解析：需形容词 “暗的”，作表语，用 dark） 8. o’clock（解析：需副词 “整点”，“五点整” 用 five o’clock） 9. early（解析：需形容词 “早的”，修饰名词 bird，“早起的人” 用 early bird） 10. daily（解析：需形容词 “日常的”，修饰名词 quiz，“日常英语小测” 用 daily quiz） 11. while（解析：需连词 “当… 的时候”，引导时间状语从句，用 while） 四、代词和虚词填空 1. I usually get up __________ 6:30 a.m. on weekdays. 2. I’ll feel better __________ a good night’s sleep. 3. Please wash your hands __________ meals. 4. The reporter wants to ask __________ our school’s sports meeting. 5. We have to wear uniforms __________ a school day. 6. My family and I go to the park __________ Sunday. 7. My mother likes to make cakes __________ my birthday party. 8. We have rice, fish and vegetables __________ dinner today. 9. I often help my deskmate __________ his English homework. 10. Let’s sit down and rest __________ a while after running. 11. I always read English books __________ breakfast. 12. We can chat with our classmates __________ lessons. 13. Doing exercise is part __________ a healthy lifestyle. 14. We should make use __________ our free time to read more books. 15. I usually take __________ shower before going to bed. 16. Li Ming is __________ duty today, so he cleans the classroom. 17. I like to visit my grandparents __________ weekends. 18. We need to prepare some snacks __________ the class party. 19. We have a PE class __________ the afternoon on Wednesday. 20. Brushing teeth is __________ everyday thing for everyone. 四、代词和虚词填空（考查介词、固定搭配） 1. at（解析：at + 时刻，“在早上六点半” 用 at 6:30 a.m.） 2. after（解析：结合句意 “睡个好觉后我会感觉好些”，用 after 表 “在… 之后”） 3. before（解析：固定搭配 “饭前洗手”，用 before meals） 4. about（解析：固定短语 ask about，“询问关于运动会的事” 用 ask about） 5. on（解析：on a school day，具体某天前用介词 on） 6. on（解析：on + 星期，“在周日” 用 on Sunday） 7. for（解析：固定搭配 make sth. for sb./sth.，“为生日派对做蛋糕” 用 for） 8. for（解析：固定搭配 for + 三餐，“晚餐吃…” 用 for dinner） 9. with（解析：固定搭配 help sb. with sth.，“帮助同学学英语” 用 with） 10. for（解析：固定短语 for a while，“休息一会儿” 用 rest for a while） 11. after（解析：“早饭后读英语” 用 after breakfast，表 “在… 之后”） 12. between（解析：固定短语 between lessons，“课间” 用 between lessons） 13. of（解析：固定短语 part of，“… 的一部分” 用 part of） 14. of（解析：固定短语 make use of，“利用” 用 make use of） 15. a（解析：固定短语 take a shower，“洗澡” 用 take a shower） 16. on（解析：固定短语 on duty，“值日” 用 on duty） 17. at（解析：固定短语 at weekends，“在周末” 用 at weekends） 18. for（解析：固定搭配 prepare sth. for sth.，“为班级派对准备零食” 用 for） 19. in（解析：in the afternoon，“在下午” 用 in the afternoon） 20. an（解析：everyday 以元音音素开头，“一件日常的事” 用 an everyday thing） 五、词汇混考 五、词汇混考 1. lunches（解析：different 后接可数名词复数，lunch 的复数为 lunches） 2. break（解析：Please 后接动词原形，“打破巧克力” 用 break） 3. restaurant（解析：that 后接单数名词，“那家电餐厅” 用 that restaurant） 4. only（解析：需副词 “仅仅”，修饰介词 for，用 only） 5. quarters（解析：into 后接复数名词，“切成四等份” 用 cut into quarters） 6. ice（解析：ice 为不可数名词，“很多冰” 用 a lot of ice） 7. to begin（解析：want to do sth.，“想要开始学英语” 用 to begin） 8. housework（解析：some 后接不可数名词 housework，“一些家务” 用 some housework） 9. finishes（解析：always 为一般现在时标志，主语 she 为三单，finish 的三单为 finishes） 10. to make（解析：固定短语 a good way to do sth.，“利用旧书的好方法” 用 to make） 11. hockey（解析：hockey 为不可数名词，“曲棍球粉丝” 用 hockey fans） 12. stay（解析：Let’s 后接动词原形，“待在家里” 用 stay at home） 13. to rise（解析：固定句型 It’s + 形容词 + to do sth.，“早起很神奇” 用 to rise） 14. early（解析：需副词 “早”，修饰动词 come，用 early） 15. homework（解析：some 后接不可数名词 homework，“一些英语作业” 用 some homework） 16. getting（解析：spend time doing sth.，“花时间穿衣服” 用 getting dressed） 17. routines（解析：some 后接可数名词复数，routine 的复数为 routines） 18. dress（解析：this 后接单数名词，“这条漂亮的裙子” 用 this dress） 19. gets（解析：every day 为一般现在时标志，主语 my father 为三单，get 的三单为 gets） 20. while（解析：a 后接单数名词，“过了一会儿” 用 after a while） 21. asking（解析：spend time doing sth.，“花时间提问” 用 asking questions） 22. o’clock（解析：“八点整” 用 eight o’clock） 23. around（解析：需副词 “环绕”，修饰动词 run，用 around） 24. goes（解析：every night 为一般现在时标志，主语 she 为三单，go 的三单为 goes） 25. reporters（解析：a lot of 后接可数名词复数，reporter 的复数为 reporters） 26. teeth（解析：all 后接可数名词复数，tooth 的复数为 teeth，不规则变化） 27. duty（解析：固定短语 on duty，“值班” 用 on duty） 28. sayings（解析：different 后接可数名词复数，saying 的复数为 sayings） 29. outside（解析：需介词 “在… 外面”，“教室外面” 用 outside our classroom） 30. film（解析：此处特指《疯狂动物城 2》，用单数名词 film） 31. lessons（解析：all 后接可数名词复数，lesson 的复数为 lessons） 32. usually（解析：需频率副词 “通常”，修饰动词 walk，用 usually） 33. before（解析：需介词 “在… 之前”，“九点前到达车站” 用 before 9 o’clock） 34. to take（解析：need to do sth.，“踢完球需要洗澡” 用 to take） 35. dinner（解析：固定搭配 set the table for dinner，“为晚餐摆餐具” 用 dinner） 36. brushes（解析：主语 he 为三单，brush 的三单为 brushes） 37. preparing（解析：have fun doing sth.，“准备礼物很开心” 用 preparing） 38. half（解析：this 后接单数名词，“这一半西瓜” 用 this half） 39. break（解析：a 后接单数名词，“十五分钟的休息” 用 a fifteen-minute break） 40. breakfast（解析：a 后接单数名词，“一顿好早餐” 用 a good breakfast） 41. weekends（解析：固定短语 on weekends，“在周末” 用 on weekends） 42. dark（解析：需形容词 “暗的”，grow 后接形容词作表语，用 dark） 43. brushes（解析：a lot of 后接可数名词复数，“画笔” 用 brushes） 44. shower（解析：固定短语 take a shower，“洗澡” 用 take a shower） 45. part（解析：this 后接单数名词，“故事的这部分” 用 this part） 46. daily（解析：需副词 “每天”，修饰动词 read，day 的副词形式为 daily） 47. already（解析：需副词 “已经”，用于现在完成时，“已经完成作业” 用 already） 48. to dress（解析：固定句型 It’s + 形容词 + to do sth.，“自己穿衣服很容易” 用 to dress） 六、词义猜测/一词多义（写出下面划线单词的中文意思） 1. She pays her rent(房租) by the quarter. __________ 2. We will study the report carefully before making a decision. __________ 3. She hates being parted from the children. __________ 4. They are filming in Moscow right now. __________ 5. The accident teaches me a lesson I’ll never forget. __________ 6. Luther rises slowly from the chair/bed. __________ 7. The building rises before him, tall and stately. __________ 8. Preparation for the party starts early. __________ 9. They don’t know they are breaking the law. __________ 10. We’re going to Japan at the beginning of July. __________ 11. This is the only pen I have for the exam. __________ 12. I know that this is a bad time to ask for help. __________ 六、词义猜测 / 一词多义 1. 季度（解析：结合 “付房租”，by the quarter 表示 “按季度”） 2. 报告（解析：“仔细研究报告后做决定”，report 此处为名词 “报告”） 3. 分开（解析：be parted from 表示 “与… 分开”，part 为动词 “分开”） 4. 拍摄（解析：“正在莫斯科拍摄”，film 此处为动词 “拍摄”） 5. 教训（解析：“这次事故给了我难忘的教训”，lesson 此处为 “教训”） 6. 站起来；起身（解析：“从椅子 / 床上慢慢站起来”，rise 为动词 “起身”） 7. 矗立；高耸（解析：“大楼在他面前矗立”，rise 为动词 “矗立”） 8. 准备工作（解析：“派对的准备工作早早开始”，preparation 为名词 “准备工作”） 9. 违反（解析：“违反法律”，break 此处为 “违反”） 10. 开始；开端（解析：at the beginning of 表示 “在… 的开始”，beginning 为名词 “开端”） 11. 唯一的（解析：“考试唯一的笔”，only 为形容词 “唯一的”） 12. 请求（解析：ask for help 表示 “请求帮助”，ask 为动词 “请求”） 学科网（北京）股份有限公司 $ 人教版七年级Unit 6 词汇综合练习 词汇分类考点（名词+动词+形容词副词代词）+代词虚词填空+各个词性混考+一词多义 一、名词 1. The __________(report) is interviewing our headteacher about the sports meeting. 2. Both __________(一半) of the cake are eaten by the children quickly. 3. This __________(周末) we are going to visit the science museum. 4. Many __________(连衣裙) are on sale in the shopping mall this weekend. 5. That English __________(课程) taught us a lot of new words. 6. A lot of __________(电影) for children are educational and fun. 7. This is a __________(记者) camera for taking photos during the interview. 8. The first two classes are followed by a __________(休息) of fifteen minutes. 9. All __________(部分) of the project must be finished on time. 10. The __________(冰) on the lake is thick enough for us to skate on. 11. Some __________(淋浴器) are broken and need to be repaired. 12. Many __________(谚语) in Chinese culture are full of wisdom. 13. My morning __________(常规) includes running for 15 minutes. 14. The __________(牙齿) hurts badly when I eat cold food. 15. I want to learn __________(芬兰语) because it sounds interesting. 16. The __________(上升) of the sun makes the world bright and warm. 17. This __________(午饭) includes rice, meat and vegetables. 18. I help my mother with __________(家务) like washing dishes after dinner. 19. It is a __________(职责) of every student to keep the classroom clean. 20. A __________(早餐) with eggs and milk is good for our health. 21. That __________(晚餐) at my grandma’s home was very tasty. 22. A lot of __________(餐厅) in our city offer free delivery services. 23. We play __________(曲棍球) on the playground every Friday afternoon. 24. I waited for a __________(一会) but my friend didn’t come. 25. I spend one hour finishing my __________(作业) every evening. 26. Three __________(四分之一) of the apple is/are eaten by Bob. 27. This __________(刷子) is used to clean the blackboard in our classroom. 二、动词 1. It’s healthy __________(go) to bed early and get up early. 2. She __________(穿衣服) her little sister every morning. 3. He has no time to __________(淋浴) or change clothes. 4. Let’s __________(起床) up early to watch the sunrise. 5. It’s difficult __________(prepare) a speech in one hour. 6. It’s important __________(brush) our hair to look tidy. 7. She __________(take) a shower every evening. 8. He likes __________(rise) early to do morning exercises. 9. She likes __________(开启) her day with a glass of milk. 10. It’s an important thing __________(get) dressed neatly for school. 11. My father often __________(stay) up late to finish his work. 12. I want __________(break) the bad habit of being late. 13. We need __________(finish) the project before Friday. 14. We should spend more time __________(make) use of online resources to learn. 15. He often __________(询问) his classmates about English grammar. 三、形容词副词和其他词性 1. __________(大约) fifty people die of hunger every day in the camp. 2. I __________(通常) get up at 7 o’clock in the morning. 3. I __________(只) have one hour to finish my homework. 4. I always brush my teeth __________(在…之前) I go to bed. 5. It’s __________(已经) 8 o’clock; we must go to school now. 6. It’s sunny today; let’s play __________(在外面). 7. It’s too __________(暗的) in the room to read the book clearly. 8. Leaving work at five __________(整点) means I eat dinner with my family. 9. She is an __________(早的) bird and gets up at 6 a.m. every day. 10. We have a __________(日常的) English quiz to practice new words. 11. You can go swimming __________(当…的时候) I’m having lunch. 四、代词和虚词填空 1. I usually get up __________ 6:30 a.m. on weekdays. 2. I’ll feel better __________ a good night’s sleep. 3. Please wash your hands __________ meals. 4. The reporter wants to ask __________ our school’s sports meeting. 5. We have to wear uniforms __________ a school day. 6. My family and I go to the park __________ Sunday. 7. My mother likes to make cakes __________ my birthday party. 8. We have rice, fish and vegetables __________ dinner today. 9. I often help my deskmate __________ his English homework. 10. Let’s sit down and rest __________ a while after running. 11. I always read English books __________ breakfast. 12. We can chat with our classmates __________ lessons. 13. Doing exercise is part __________ a healthy lifestyle. 14. We should make use __________ our free time to read more books. 15. I usually take __________ shower before going to bed. 16. Li Ming is __________ duty today, so he cleans the classroom. 17. I like to visit my grandparents __________ weekends. 18. We need to prepare some snacks __________ the class party. 19. We have a PE class __________ the afternoon on Wednesday. 20. Brushing teeth is __________ everyday thing for everyone. 五、词汇混考 1. Different __________(午饭) are provided for students every day. 2. Please __________(打破) the chocolate into small pieces. 3. That __________(餐厅) near our school serves delicious noodles. 4. The bar is for members __________(仅仅). 5. Cut the apple into __________(quarter). 6. A lot of __________(冰) melts quickly when the sun comes out. 7. I want__________(begin) my English study with new words. 8. Some __________(家务) can be shared among all family members. 9. She always __________(完成) her class tasks on time. 10. It’s a good way __________(make) use of old books by donating them. 11. A lot of __________(曲棍球) fans come to watch the school team’s match. 12. Let’s __________(停留;待着) at home and watch a cartoon this weekend. 13. It’s amazing __________(rise) early and see the sunrise. 14. Please come to the meeting __________(早) tomorrow morning. 15. Some __________(作业) about English grammar is a bit difficult for me. 16. She spends ten minutes __________(get) dressed every day. 17. Some __________(常规,日常) of daily life help us stay organized. 18. This beautiful __________(裙子) is bought by my aunt for my birthday. 19. My father __________(get) up at 6:00 a.m. every day. 20. After a __________(一会), we started talking about the children. 21. They spend a lot of time __________(询问) questions in class. 22. School starts at eight __________(整点) every Monday. 23. My little brother likes to run __________(环绕) in the park. 24. She __________(go) to bed at 9:30 p.m. every night. 25. A lot of __________(记者) come to cover the school art festival. 26. All __________(牙齿) should be brushed twice a day for good health. 27. And who’s on __________(值班) now? The hall boy? 28. Different __________(谚语) can express the same meaning in different ways. 29. There is a small garden __________(在外面) our classroom. 30. The __________(电影) Zoopotia 2 came out November 26, 2025. 31. All __________(课程) start at 8 o’clock in the morning at our school. 32. She __________(通常) walks to school, but today she took the bus. 33. We should arrive at the station __________(在…之前) 9 o’clock. 34. I need __________(take) a shower after playing football. 35. Could you set the table for __________(晚餐)? 36. He __________(刷) his shoes before going out. 37. They have fun __________(准备) gifts for their teachers. 38. This __________(一半) of the watermelon is bigger than that one. 39. We have a fifteen-minute __________(休息) between two lessons. 40. Do you start the day with a good __________(早餐)? 41. On __________(周末) I stay at home and read storybooks. 42. The sky often grows __________(暗的) quickly before the rain comes. 43. The shopkeeper sells a lot of __________(画笔) in the stationery store near our school. 44. I take a __________(淋浴) every morning before going to school. 45. This __________(部分) of the story is the most interesting for me. 46. I read English stories __________(day) to improve my reading skills. 47. I have __________(已经) finished my English homework. 48. It’s easy __________(dress) yourself when you are seven years old. 六、词义猜测/一词多义（写出下面划线单词的中文意思） 1. She pays her rent(房租) by the quarter. __________ 2. We will study the report carefully before making a decision. __________ 3. She hates being parted from the children. __________ 4. They are filming in Moscow right now. __________ 5. The accident teaches me a lesson I’ll never forget. __________ 6. Luther rises slowly from the chair/bed. __________ 7. The building rises before him, tall and stately. __________ 8. Preparation for the party starts early. __________ 9. They don’t know they are breaking the law. __________ 10. We’re going to Japan at the beginning of July. __________ 11. This is the only pen I have for the exam. __________ 12. I know that this is a bad time to ask for help. __________ 学科网（北京）股份有限公司 $