Unit 7 知识清单 2024-2025学年八年级英语上册冀教版

Unit7 1． 重点单词 1. 2. outdoor adj.户外的;露天的 3. hen n.母鸡 4. anymore adv.再也(不);不(再) 5. common adj.普通的;一般的 6. real adj.真正的;确实的 7. support v.&n支持;拥护;鼓励 8. daily adv.每日;每天adj.每日的;日常的 9. African adj.非洲(人)的 10. earth n.地球;大地 11. collect v.收集;集合 12. stone n.石头;石块 13. concert n.音乐会 14. ticket n.票;券 15. trade v.&n.用……进行交换;交易 16. garden v.从事园艺;种植n.花园;果园 17. giant n.巨人;伟人adj.巨大的 18. huge adj.极大的;巨大的 19. launch v.发射;使……运动;送上轨道 20. adult n.成年人 21. break v.弄坏;损坏n.间歌;休息;间断 22. land v.登陆;降落n.陆地;土地 23. challenging adj.挑战性的;考验能力的 24. confidence n.自信 25. postcard n.明信片 26. hobby n.爱好 27. spare adj.空闲的 28. spin v.(使)快速旋转 29. performance n.表演;演出 二．重点短语 1. 2. 由…制成（看不出）be made from 3. 处理（how）deal with 4. 处理（what）do with 5. 在树上（外来物）in the tree 6. 上上下下up and down 7. 阻止某人做某事 keep/stop sb. from doing sth. 8. 上网冲浪 surf the Internet 9. 既不…也不…neither… nor… 10. 建立某人的自信build one’s confidence 11. 教某人做某事 teach sb. to do sth. 12. 从…得到get…from… 13. 让某人一直做某事keep sb. doing sth. 14. 为…骄傲be proud of=take pride in 15. 照顾，照料take care of=look after 16. 有共同之处have something in common 17. 在某人的空闲时间in one’s free/spare time 18. 不再…not…anymore/any longer 19. 与…保持联系stay in touch with… 20. 在树上（生长物）on the tree 21. 例如for example/such as 22. 一些人…其他人…some… others… 23. 开始 take up 24. 保持健康 stay/keep healthy 25. 把…加到…上add…to… 26. 对…感兴趣be interested in doing sth. 27. 一种 a kind of 28. 不同种类的 different kinds of 29. 各种各样的all kinds of 30. 和…做交易 trade with… 31. 一直做某事keep doing sth. 32. 反复做某事keep on doing sth. 33. 靠某人自己by oneself=on one’s own 34. 充满be filled with =be full of 35. 为…鼓掌clap for 36. 轮到某人做某事it’s one’s turn to do sth. 37. 由…制成（看得出）be made of 三．重点句型 1.I find it very interesting. 我发现它很有趣。 2.I also trade my tickets with other people. 我也与其他人交换票。 3.A hobby is not only fun but also useful. 爱好不仅有趣而且也有用。 4.A hobby can help build your confidence and make your life more colourful. 一种爱好可以帮助你建立自信并且会让你的生活更加丰富多彩。 5.It's never too late to learn something new. 学习新事物从不会太晚。 6.I built one of them myself. 其中一枚是我自己做的。 7.What do I do with my rockets? 我怎样处理我的火箭呢? 8.Finally, it's Danny's turn. 最后,轮到丹尼了。 9.Let's put the box on its side, Danny. 咱们把箱子放倒吧，丹尼。 10.Take your hobby out of the box and get it ready, Danny. 把你的爱好从箱子里取出来并准备好,丹尼。 四．重点语法 冠词的用法 · 英语中的冠词有不定冠词(a,an)和定冠词(the)两种。 · 不定冠词的用法 ①不定冠词有a和an 两种:a用于辅音音素开头的词前，an 用于元音音素开头的词前。 a boy 一个男孩 an old man 一位老人 ②用来表示“-”的意思,相当于 one 但不强调数的概念。在句子中一般可以不译出,但若有“一个”的意思则译出。 A teacher is looking for you. 一位老师正在找你。 An orange is good for you. 橘子对你有好处。 ③表示“每一”,用于表明价格、频率或速度。 —How much is it?多少钱? —Two yuan a kilo.一千克两元。 ④可用在可数名词单数前,泛指同类中的某一个人或事物。 Bill is a student. 比尔是一名学生。 Pass me an apple, please. 请递给我一个苹果。 · 定词的用法 1.特指某(些)人或某(些)事物。 The book on the desk is mine.在书桌上的那本书是我的。 2.双方都知道的人或事物。 What's the new teacher's name? 那位新老师的名字叫什么? 3.指上文提到的人或事物。 There are some dogs. The dogs are very lovely. 这儿有一些狗。这些狗很可爱。 4.用在世界上独一无二的事物前。 The sun is bigger than the moon. 大阳比月亮大。 5.用于序数词及形容词最高级前。 He was the first one to school. 他是第一个到学校的。 6.用于姓氏复数形式前，表示一家人 The Smiths are going shopping. 史密斯一家准备去购物。 7.用于某些短语中。 on the right 在右边 8.用于某些乐器之前。 play the piano 弹钢琴 速记小法 定冠词的用法: 特指双熟悉,上文已提及。 世上独无二，序数最高级。 某些专有名，习语和乐器。 · 零冠词 ①某些专有名词、抽象名词和物质名词前不用冠词。 China, Canada, Japanese,water love 等。 ②名词前已有 this;that, my your 等限定或修饰时不用冠词。 That is my cap. 那是我的帽子。 ③表示称呼、头衔和职务的名词前不用冠词。 Doctor Black is my uncle. 布莱克博士是我的叔叔。 ④三餐、球类活动前不用冠词。 I have lunch at home. 我在家吃午饭。 五．语法练习题 一.单项选择题 1.There is ___C___ “u” and ______ “s” in the word “use”. A. a; a B. an; an C. a; an D. an; a 2.___C___ old man is ______ teacher. He likes playing ______ basketball after supper. A. An; a; / B. An; a; the C. The; a; / D. The; an; the 3.—Do you know ____C__ girl in blue? —Yes, she is my sister. A. a B. an C. the D. / 4.—What do you usually have for ___D___ breakfast? —A piece of bread and ______ egg. A. a; an B. /; the C. a; the D. /; an 5.This is ___B___ interesting storybook and it is also ______ useful one. A. an; an B. an; a C. a; a D. a; an 6.___C___ Greens are on ______ visit to a beautiful city in China. A. /; a B. A; the C. The; a D. The; / 7.There is ___B___ map of China on the wall in my bedroom. ______ map is very nice. A. a; A B. a; The C. the; A D. the; The 8.—Have you seen ___D___ pen? I left it here this morning. —Is it ______ black one? I think I saw it somewhere. A. a; the B. the; the C. the; a D. a; a 9.___A___ sun rises in ______ east and sets in ______ west. A. The; the; the B. A; an; a C. The; an; the D. A; the; a 10.My sister likes playing ___A___ piano, but she doesn't like playing ______ football. A. the; / B. /; the C. the; the D. /; / 11.—Is there ___A___ hospital near here? —Yes, there is. ______ hospital is near the police station. A. a; The B. the; A C. a; A D. the; The 12.—What's this in English? —It's ______ eraser. __B____ eraser is hers. A. a; The B. an; The C. the; An D. an; An 13.___C___ Great Wall is one of the greatest wonders in the world. A. A B. An C. The D. / 14.We usually have three meals ___B___ day. We have ______ breakfast at seven in the morning. A. a; the B. a; / C. /; the D. /; / 15.This is ___B___ empty bottle. Could you give me ______ full one? A. a; a B. an; a C. the; the D. /; a 二、适当形式填空 1. There is an (a/an) “h” in the word “hour”. 2. My father is an (a/an) honest man. 3. Let's go for a (a/an) walk after supper. 4. The (A/The) earth moves around the sun. 5. She is a (a/an) university student. She studies very hard. 6. I have an (a/an) idea. Let's have a party. 7. This is a (a/an) useful book. You can read it. 8. The (A/The) Smiths are going to the park. 9. There is an (a/an) orange on the table. 10. The (A/The) girl in red is my sister. 六．书面表达. 每个人都有不同的爱好,请根据以下提示和要求介绍自己的某种爱好。 提示: 1. What's your hobby? 2. When did you start it? 3. What do you usually do with it? 4. Why do you enjoy it? 要求: 1.短文须包含所有要点,可适当发挥: 2.短文中不得出现真实的地名、校名和人名; 3.80 词左右。 My Hobby My hobby is reading.I have kept reading in my spare time since I was a little girl. At the beginning, I read storybooks. But now I enjoy reading novels.because there are lots of interesting stories. I often go to the school library to borrow books and sometimes I buy some books from the bookstore. It takes me about an hour to read books every day. I read books during the break, after school or before I go to bed. Reading not only brings me a lot of knowledge but also keeps me in a good mood, and it is good for my health. 学科网（北京）股份有限公司 $$ Unit7 1． 重点单词 1. 2. outdoor ______________ 3. hen ______________ 4. anymore ______________ 5. common ______________ 6. real ______________ 7. support ______________ 8. daily ______________ 9. African ______________ 10. earth ______________ 11. collect ______________ 12. stone ______________ 13. concert ______________ 14. ticket ______________ 15. trade ______________ 16. garden ______________ 17. giant ______________ 18. huge ______________ 19. launch ______________ 20. adult ______________ 21. break ______________ 22. land ______________ 23. challenging ______________ 24. confidence ______________ 25. postcard ______________ 26. hobby ______________ 27. spare ______________ 28. spin ______________ 29. performance ______________ 二．重点短语 1. 2. ___________________be made from 3. ___________________（how）deal with 4. ___________________（what）do with 5. ___________________in the tree 6. ___________________up and down 7. _______________keep/stop sb. from doing sth. 8. ___________________surf the Internet 9. ___________________neither… nor… 10. ___________________build one’s confidence 11. ___________________teach sb. to do sth. 12. ___________________get…from… 13. ___________________keep sb. doing sth. 14. __________________be proud of=take pride in 15. ___________________take care of=look after 16. ________________have something in common 17. ___________________in one’s free/spare time 18. __________________not…anymore/any longer 19. ___________________stay in touch with… 20. ___________________on the tree 21. ___________________for example/such as 22. ___________________some… others… 23. ___________________take up 24. ___________________stay/keep healthy 25. ___________________add…to… 26. __________________be interested in doing sth. 27. ___________________a kind of 28. ___________________different kinds of 29. ___________________all kinds of 30. ___________________trade with… 31. ___________________keep doing sth. 32. ___________________keep on doing sth. 33. _________________by oneself=on one’s own 34. ___________________be filled with =be full of 35. ___________________clap for 36. ___________________it’s one’s turn to do sth. 37. ___________________be made of 三．重点句型 1.I ______it very ________. 我发现它很有趣。 2.I also_______ my tickets ____ other people. 我也与其他人交换票。 3.A hobby is __ ____fun ___ _____ useful. 爱好不仅有趣而且也有用。 4.A hobby can help ____ ___ _______ and make your life ___ _______. 一种爱好可以帮助你建立自信并且会让你的生活更加丰富多彩。 5.It's never too late to learn ___ _____ 学习新事物从不会太晚。 6.I built ____ _____ _____ myself. 其中一枚是我自己做的。 7.What do I_____ ____ my rockets? 我怎样处理我的火箭呢? 8.Finally, it's _____ ______ 最后,轮到丹尼了。 9.Let's ____ the box ___ ____ _____, Danny. 咱们把箱子放倒吧，丹尼。 10.______your hobby ___ _____ the box and get it ready, Danny. 把你的爱好从箱子里取出来并准备好,丹尼。 四．重点语法 冠词的用法 · 英语中的冠词有不定冠词(a,an)和定冠词(the)两种。 · 不定冠词的用法 ①不定冠词有a和an 两种:a用于辅音音素开头的词前，an 用于元音音素开头的词前。 a boy 一个男孩 an old man 一位老人 ②用来表示“-”的意思,相当于 one 但不强调数的概念。在句子中一般可以不译出,但若有“一个”的意思则译出。 A teacher is looking for you. 一位老师正在找你。 An orange is good for you. 橘子对你有好处。 ③表示“每一”,用于表明价格、频率或速度。 —How much is it?多少钱? —Two yuan a kilo.一千克两元。 ④可用在可数名词单数前,泛指同类中的某一个人或事物。 Bill is a student. 比尔是一名学生。 Pass me an apple, please. 请递给我一个苹果。 · 定词的用法 1.特指某(些)人或某(些)事物。 The book on the desk is mine.在书桌上的那本书是我的。 2.双方都知道的人或事物。 What's the new teacher's name? 那位新老师的名字叫什么? 3.指上文提到的人或事物。 There are some dogs. The dogs are very lovely. 这儿有一些狗。这些狗很可爱。 4.用在世界上独一无二的事物前。 The sun is bigger than the moon. 大阳比月亮大。 5.用于序数词及形容词最高级前。 He was the first one to school. 他是第一个到学校的。 6.用于姓氏复数形式前，表示一家人 The Smiths are going shopping. 史密斯一家准备去购物。 7.用于某些短语中。 on the right 在右边 8.用于某些乐器之前。 play the piano 弹钢琴 速记小法 定冠词的用法: 特指双熟悉,上文已提及。 世上独无二，序数最高级。 某些专有名，习语和乐器。 · 零冠词 ①某些专有名词、抽象名词和物质名词前不用冠词。 China, Canada, Japanese,water love 等。 ②名词前已有 this;that, my your 等限定或修饰时不用冠词。 That is my cap. 那是我的帽子。 ③表示称呼、头衔和职务的名词前不用冠词。 Doctor Black is my uncle. 布莱克博士是我的叔叔。 ④三餐、球类活动前不用冠词。 I have lunch at home. 我在家吃午饭。 五．语法练习题 一.单项选择题 1.There is ______ “u” and ______ “s” in the word “use”. A. a; a B. an; an C. a; an D. an; a 2.______ old man is ______ teacher. He likes playing ______ basketball after supper. A. An; a; / B. An; a; the C. The; a; / D. The; an; the 3.—Do you know ______ girl in blue? —Yes, she is my sister. A. a B. an C. the D. / 4.—What do you usually have for ______ breakfast? —A piece of bread and ______ egg. A. a; an B. /; the C. a; the D. /; an 5.This is ______ interesting storybook and it is also ______ useful one. A. an; an B. an; a C. a; a D. a; an 6.______ Greens are on ______ visit to a beautiful city in China. A. /; a B. A; the C. The; a D. The; / 7.There is ______ map of China on the wall in my bedroom. ______ map is very nice. A. a; A B. a; The C. the; A D. the; The 8.—Have you seen ______ pen? I left it here this morning. —Is it ______ black one? I think I saw it somewhere. A. a; the B. the; the C. the; a D. a; a 9.______ sun rises in ______ east and sets in ______ west. A. The; the; the B. A; an; a C. The; an; the D. A; the; a 10.My sister likes playing ______ piano, but she doesn't like playing ______ football. A. the; / B. /; the C. the; the D. /; / 11.—Is there ______ hospital near here? —Yes, there is. ______ hospital is near the police station. A. a; The B. the; A C. a; A D. the; The 12.—What's this in English? —It's ______ eraser. ______ eraser is hers. A. a; The B. an; The C. the; An D. an; An 13.______ Great Wall is one of the greatest wonders in the world. A. A B. An C. The D. / 14.We usually have three meals ______ day. We have ______ breakfast at seven in the morning. A. a; the B. a; / C. /; the D. /; / 15.This is ______ empty bottle. Could you give me ______ full one? A. a; a B. an; a C. the; the D. /; a 二、适当形式填空 1. There is ______(a/an) “h” in the word “hour”. 2. My father is _______(a/an) honest man. 3. Let's go for______ (a/an) walk after supper. 4. _____ (A/The) earth moves around the sun. 5. She is ____(a/an) university student. She studies very hard. 6. I have ______ (a/an) idea. Let's have a party. 7. This is ______ (a/an) useful book. You can read it. 8. ______(A/The) Smiths are going to the park. 9. There is _____ (a/an) orange on the table. 10. ______(A/The) girl in red is my sister. 六．书面表达. 每个人都有不同的爱好,请根据以下提示和要求介绍自己的某种爱好。 提示: 1. What's your hobby? 2. When did you start it? 3. What do you usually do with it? 4. Why do you enjoy it? 要求: 1.短文须包含所有要点,可适当发挥: 2.短文中不得出现真实的地名、校名和人名; 3.80 词左右。 My Hobby ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 学科网（北京）股份有限公司 $$ Unit7 1． 重点单词 1. 2. _______________ adj.户外的;露天的 3. _______________ n.母鸡 4. _______________ adv.再也(不);不(再) 5. _______________ adj.普通的;一般的 6. _______________ adj.真正的;确实的 7. _______________ v.&n支持;拥护;鼓励 8. _______________ adv.每日;每天adj.每日的 9. _______________ adj.非洲(人)的 10. _______________ n.地球;大地 11. _______________ v.收集;集合 12. _______________ n.石头;石块 13. _______________ n.音乐会 14. _______________ n.票;券 15. _______________v.&n.用……进行交换;交易 16. _______________v.从事园艺;种植 n.花园;果园 17. _______________n.巨人;伟人adj.巨大的 18. _______________adj.极大的;巨大的 19. _____________v.发射;使……运动;送上轨道 20. _______________n.成年人 21. _______________v.弄坏;损坏 n.间歌;休息;间断 22. _______________v.登陆;降落n.陆地;土地 23. _______________adj.挑战性的;考验能力的 24. _______________n.自信 25. _______________n.明信片 26. _______________n.爱好 27. _______________adj.空闲的 28. _______________v.(使)快速旋转 29. _______________n.表演;演出 二．重点短语 1. 2. ___________________由…制成（看不出） 3. ___________________处理 4. ___________________处理 5. ___________________在树上（外来物） 6. ___________________上上下下 7. ___________________阻止某人做某事 8. ___________________上网冲浪 9. ___________________既不…也不… 10. ___________________建立某人的自信 11. ___________________教某人做某事 12. ___________________从…得到 13. ___________________让某人一直做某事 14. ___________________为…骄傲 15. ___________________照顾，照料 16. ___________________有共同之处 17. ___________________在某人的空闲时间 18. ___________________不再… 19. ___________________与…保持联系 20. ___________________在树上（生长物） 21. ___________________例如 22. ___________________一些人…其他人… 23. ___________________开始 24. ___________________保持健康 25. ___________________把…加到…上 26. ___________________对…感兴趣 27. ___________________一种 28. ___________________不同种类的 29. ___________________各种各样的 30. ___________________和…做交易 31. ___________________一直做某事 32. ___________________反复做某事 33. ___________________靠某人自己 34. ___________________充满 35. ___________________为…鼓掌 36. ___________________轮到某人做某事 37. ___________________由…制成（看得出） 三．重点句型 1.I ______it very ________. 我发现它很有趣。 2.I also_______ my tickets ____ other people. 我也与其他人交换票。 3.A hobby is __ ____fun ___ _____ useful. 爱好不仅有趣而且也有用。 4.A hobby can help ____ ___ _______ and make your life ___ _______. 一种爱好可以帮助你建立自信并且会让你的生活更加丰富多彩。 5.It's never too late to learn ___ _____ 学习新事物从不会太晚。 6.I built ____ _____ _____ myself. 其中一枚是我自己做的。 7.What do I_____ ____ my rockets? 我怎样处理我的火箭呢? 8.Finally, it's _____ ______ 最后,轮到丹尼了。 9.Let's ____ the box ___ ____ _____, Danny. 咱们把箱子放倒吧，丹尼。 10.______your hobby ___ _____ the box and get it ready, Danny. 把你的爱好从箱子里取出来并准备好,丹尼。 四．重点语法 冠词的用法 · 英语中的冠词有不定冠词(a,an)和定冠词(the)两种。 · 不定冠词的用法 ①不定冠词有a和an 两种:a用于辅音音素开头的词前，an 用于元音音素开头的词前。 a boy 一个男孩 an old man 一位老人 ②用来表示“-”的意思,相当于 one 但不强调数的概念。在句子中一般可以不译出,但若有“一个”的意思则译出。 A teacher is looking for you. 一位老师正在找你。 An orange is good for you. 橘子对你有好处。 ③表示“每一”,用于表明价格、频率或速度。 —How much is it?多少钱? —Two yuan a kilo.一千克两元。 ④可用在可数名词单数前,泛指同类中的某一个人或事物。 Bill is a student. 比尔是一名学生。 Pass me an apple, please. 请递给我一个苹果。 · 定词的用法 1.特指某(些)人或某(些)事物。 The book on the desk is mine.在书桌上的那本书是我的。 2.双方都知道的人或事物。 What's the new teacher's name? 那位新老师的名字叫什么? 3.指上文提到的人或事物。 There are some dogs. The dogs are very lovely. 这儿有一些狗。这些狗很可爱。 4.用在世界上独一无二的事物前。 The sun is bigger than the moon. 大阳比月亮大。 5.用于序数词及形容词最高级前。 He was the first one to school. 他是第一个到学校的。 6.用于姓氏复数形式前，表示一家人 The Smiths are going shopping. 史密斯一家准备去购物。 7.用于某些短语中。 on the right 在右边 8.用于某些乐器之前。 play the piano 弹钢琴 速记小法 定冠词的用法: 特指双熟悉,上文已提及。 世上独无二，序数最高级。 某些专有名，习语和乐器。 · 零冠词 ①某些专有名词、抽象名词和物质名词前不用冠词。 China, Canada, Japanese,water love 等。 ②名词前已有 this;that, my your 等限定或修饰时不用冠词。 That is my cap. 那是我的帽子。 ③表示称呼、头衔和职务的名词前不用冠词。 Doctor Black is my uncle. 布莱克博士是我的叔叔。 ④三餐、球类活动前不用冠词。 I have lunch at home. 我在家吃午饭。 五．语法练习题 一.单项选择题 1.There is ______ “u” and ______ “s” in the word “use”. A. a; a B. an; an C. a; an D. an; a 2.______ old man is ______ teacher. He likes playing ______ basketball after supper. A. An; a; / B. An; a; the C. The; a; / D. The; an; the 3.—Do you know ______ girl in blue? —Yes, she is my sister. A. a B. an C. the D. / 4.—What do you usually have for ______ breakfast? —A piece of bread and ______ egg. A. a; an B. /; the C. a; the D. /; an 5.This is ______ interesting storybook and it is also ______ useful one. A. an; an B. an; a C. a; a D. a; an 6.______ Greens are on ______ visit to a beautiful city in China. A. /; a B. A; the C. The; a D. The; / 7.There is ______ map of China on the wall in my bedroom. ______ map is very nice. A. a; A B. a; The C. the; A D. the; The 8.—Have you seen ______ pen? I left it here this morning. —Is it ______ black one? I think I saw it somewhere. A. a; the B. the; the C. the; a D. a; a 9.______ sun rises in ______ east and sets in ______ west. A. The; the; the B. A; an; a C. The; an; the D. A; the; a 10.My sister likes playing ______ piano, but she doesn't like playing ______ football. A. the; / B. /; the C. the; the D. /; / 11.—Is there ______ hospital near here? —Yes, there is. ______ hospital is near the police station. A. a; The B. the; A C. a; A D. the; The 12.—What's this in English? —It's ______ eraser. ______ eraser is hers. A. a; The B. an; The C. the; An D. an; An 13.______ Great Wall is one of the greatest wonders in the world. A. A B. An C. The D. / 14.We usually have three meals ______ day. We have ______ breakfast at seven in the morning. A. a; the B. a; / C. /; the D. /; / 15.This is ______ empty bottle. Could you give me ______ full one? A. a; a B. an; a C. the; the D. /; a 二、适当形式填空 1. There is ______(a/an) “h” in the word “hour”. 2. My father is _______(a/an) honest man. 3. Let's go for______ (a/an) walk after supper. 4. _____ (A/The) earth moves around the sun. 5. She is ____(a/an) university student. She studies very hard. 6. I have ______ (a/an) idea. Let's have a party. 7. This is ______ (a/an) useful book. You can read it. 8. ______(A/The) Smiths are going to the park. 9. There is _____ (a/an) orange on the table. 10. ______(A/The) girl in red is my sister. 六．书面表达. 每个人都有不同的爱好,请根据以下提示和要求介绍自己的某种爱好。 提示: 1. What's your hobby? 2. When did you start it? 3. What do you usually do with it? 4. Why do you enjoy it? 要求: 1.短文须包含所有要点,可适当发挥: 2.短文中不得出现真实的地名、校名和人名; 3.80 词左右。 My Hobby ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 学科网（北京）股份有限公司 $$