Unit 3 Family ties 名词的所有格-【简语法-单元重点语法精练】英语七年级上册（外研版2024）

单元核心语法·精练 Unit 3 Family ties （名词的所有格） 内容提要 核心语法回顾 专项能力突破 解题综合提升 名词所有格 用法介绍 名词所有格用于表示名词之间的所属关系，主要有两种形式：’s 所有格和 of 所有格。它能明确说明某物归属于某人或某事物，使表达更加准确清晰。 分类 构成方式 示例 ’s 所有格 一般情况下，在单数名词后加’s the boy’s bag（这个男孩的书包）；Tom’s book（汤姆的书） 以 s 结尾的复数名词，在词尾加’ the girls’ desks（女孩子们的书桌）；the teachers’ office（老师们的办公室） 不以 s 结尾的复数名词，仍加’s the children’s toys（孩子们的玩具）；the women’s hats（女士们的帽子） 表示两人或多人共同拥有时，在最后一个名词后加’s Lucy and Lily’s mother（露西和莉莉的妈妈，两人共有一个妈妈） 表示两人或多人分别拥有时，在每个名词后都加’s Tom’s and Jack’s pens（汤姆的钢笔和杰克的钢笔，两人各自有钢笔） of 所有格 用于无生命的事物或较长的名词短语，表示所属关系 the door of the classroom（教室的门）；the name of the book（这本书的名字） 当表示有生命的名词的定语较长时，也可用 of 所有格 the story of the brave soldier（这位勇敢士兵的故事） 双重所有格 由 “of + 名词所有格 / 名词性物主代词” 构成，用来表示整体中的一部分 a friend of my father’s（我父亲的一位朋友，父亲朋友中的一个）；a book of mine（我的一本书，我众多书中的一本） 注意事项 1. ’s 所有格的读音：在清辅音后读 /s/，如 the book’s cover（/bʊks ˈkʌvə(r)/）；在浊辅音和元音后读 /z/，如 the boy’s toy（/bɔɪz tɔɪ/）；在以 s 结尾的名词后，读音为 /ɪz/，如 the girls’ classroom（/ɡɜːlz ˈklɑːsruːm/） 。 2. of 所有格与’s 所有格的选择：一般有生命的名词用’s 所有格；无生命的名词用 of 所有格，但也有例外，如表示时间、距离、国家、城市等无生命名词，常用’s 所有格，如 today’s newspaper（今天的报纸）；ten minutes’ walk（十分钟的步行路程） 。 3. 双重所有格的特点：被修饰名词前通常有 a，an，some，any，several，no，few，two 等限定词，不能用 the 。如可以说 a friend of my mother’s，但不能说 the friend of my mother’s 。且双重所有格所修饰的名词与 of 短语中的名词之间是部分与整体的关系，如 a picture of my father’s（我父亲的一张照片，父亲有很多照片，这是其中一张）和 a picture of my father（我父亲本人的一张照片，照片上是父亲）意义不同 。 4. 特殊所有格情况：表示店铺、诊所、住宅等的名词所有格，其后的名词常省略，如 the doctor’s（诊所）；my uncle’s（我叔叔家） 。 一、单项选择 1．（24-25七年级上·四川攀枝花·期中）—Is this ________ family photo? —Yes, it is. A．Lily and Frank’s B．Lily and Frank C．Lily’s and Frank D．Lily’s and Frank’s 【答案】A 【详解】句意：——这是莉莉和弗兰克的全家福吗？——是的，它是。 考查名词的所有格。根据“Is this…family photo”可知，照片是Lily和Frank共同拥有的，因此使用“A and B’s”结构，在Frank后加’s即可表示两个人共同拥有的东西。故选A。 2．（24-25七年级上·四川广安·期中）________ room is big and tidy. A．Tom’s and Mike B．Tom’s and Mikes’ C．Tom’s and Mike’s D．Tom and Mike’s 【答案】D 【详解】句意：汤姆和迈克的房间又大又整洁。 考查所有格。根据单数名词room可知，此处表示两人共有的房间，只需要在后一个名字上使用所有格结构，即Tom and Mike’s。故选D。 3．（24-25七年级上·湖北武汉·期中）—__________ caps are these? —They are my __________. They like wearing caps. A．Who; grandparents B．Whose; grandparents’ C．Who; grandparents’ D．Whose; grandparent’s 【答案】B 【详解】句意：——这些是谁的帽子？——它们是我祖父母的。他们喜欢戴帽子。 考查特殊疑问句和名词所有格。Who谁；grandparents祖父母；Whose谁的；grandparents’祖父母的（东西）；grandparent’s祖父母其中一人的（东西）。第一空询问“谁的帽子”用whose；第二空这里回答上面的问题，主语是they，所以是“我祖父母的帽子”，要用名词所有格grandparents’，故选B。 4．（24-25七年级上·云南昆明·期中）—Is this ________ bedroom? —No, it’s not. It’s ________. My bedroom is on the second floor. A．your; Sara and Tina’s B．your; Sara’s and Tina’s C．you; Sara and Tina’s D．you; Sara’s and Tina’s 【答案】A 【详解】句意：——这是你的卧室吗？——不，它不是。它是萨拉和蒂娜的（卧室）。我的卧室在二楼。 考查形容词性物主代词及名词所有格。第一空是询问“你的卧室吗？”，应使用“your”。第二空是表示“萨拉和蒂娜的卧室”，应使用“名词+and+名词+’s”结构，即“Sara and Tina’s”。故选A。 5．（24-25七年级上·吉林长春·期中）I can’t find the dictionary in ________ room because it’s not tidy. A．Jane’s and Kate’s B．Jane and Kate’s C．Jane and Kate D．Jane’s and Kate 【答案】B 【详解】句意：我在Jane和Kate的房间里找不到字典，因为它不整洁。 考查名词所有格。根据“it’s not tidy.”可知，此处用it指代房间，说明房间只有一间，故是Jane和Kate共有的，多者共有的东西，只需要在最后一个人名加所有格。故选B。 6．（24-25七年级上·天津·期中）Along the way, the father and the son start to see into ________ heart(s). A．the father’s B．the son’s C．each other’s D．/ 【答案】C 【详解】句意：一路上，父亲和儿子看穿了对方的心。 考查所有格。the father’s父亲的；the son’s儿子的；each other’s彼此的；/不填。根据“the father and the son start to see into...heart(s)”可知，他们彼此看穿了对方的心，故选C。 7．（24-25七年级上·重庆长寿·期中）Mr. Green is ________ Chinese teacher. A．Jack’s and Tom’s B．Jack’s and Tom C．Jack and Tom D．Jack and Tom’s 【答案】D 【详解】句意：格林先生是杰克和汤姆的语文老师。 考查名词所有格。根据题意，老师是一人，所以表示两者共有的，应在后者使用所有格结构，故选D。 8．（24-25七年级上·重庆九龙坡·期中）—You have a nice house! Whose room is this? — It’s _________. A．Jim and Jack’s B．Jim’s and Jack C．Jim’s and Jack’s D．Jim and Jack 【答案】A 【详解】句意：——你的房子真漂亮！这是谁的房间？——这是Jim和Jack的。 考查名词所有格。Jim and Jack’s表示Jim和Jack两人共同的；Jim’s and Jack’s表示Jim和Jack两人各自的。根据句中“Whose room is this”可知，这里提到的是一个房间，是介绍房间的归属，因此应该是Jim和Jack两人共同的。故选A。 9．（24-25七年级上·吉林白山·期中）—How far is it from here to the station? —It’s ________ walk. A．six minutes’ B．six-minutes C．six minutes D．six minute’s 【答案】A 【详解】句意：——从这里到车站有多远？——步行六分钟。 考查名词所有格。six minutes’六分钟的；six minutes六分钟；six-minutes和six minute’s都是错误表达。基数词six后应用可数名词minute的复数形式minutes，空处修饰名词walk，应用minutes的所有格minutes’。故选A。 10．（24-25七年级上·吉林长春·期中）This is ________ bedroom. It’s very tidy. A．Lin Hai and Coco B．Lin Hai and Coco’s C．Lin Hai’s and Coco’s D．Lin Hai’s and Coco 【答案】B 【详解】句意：这是林海和可可的卧室。它非常整洁。 考查名词所有格。根据“It’s very tidy.”可知，二人共同拥有一间卧室，故应在第二个人名“Coco”上加’s。故选B。 11．（24-25七年级上·甘肃陇南·期中）______ room is big and tidy. A．Tom’s and Mike B．Tom and Mike’s C．Tom’s and Mike’s D．Tom’s and Mikes’ 【答案】B 【详解】句意：Tom和Mike的房间又大又整洁。 考查名词所有格。根据“room”可知是两人共同拥有的房间，只需在最后一个人名后加’s。故选B。 12．（23-24七年级上·陕西西安·期中）—Where ________ Lucy and Lily’s bedroom? —It’s next to their ________ bedroom. A．are; grandparents B．is; grandparents’ C．is; grandparents D．are; grandparents’ 【答案】B 【详解】句意：——露西和莉莉的卧室在哪里？——它在他们祖父母的卧室旁边。 考查主谓一致及名词所有格。第一句主语是“Lucy and Lily’s bedroom”，是单数名词，be动词用is，排除A/D选项；第二句指的是“祖父母的卧室”，应用所有格形式，故选B。 13．（23-24七年级上·河北保定·期末）This is my ________ computer. They buy it at a good price. A．parent B．parent’s C．parents D．parents’ 【答案】D 【详解】句意：这是我父母的电脑。他们以很好的价格买了它。 考查名词复数的所有格。根据“They”可知，此处使用名词复数，此处作定语修饰computer，所以用名词复数的所有格。故选D。 14．（23-24七年级上·河北唐山·期中）This is ________ classroom. They are in Class Two. A．Jim and Dave B．Jim’s and Dave’s C．Jim and Dave’s D．Jim’s and Dave 【答案】C 【详解】句意：这是吉姆和戴夫的教室。他们在二班。 考查名词所有格。空格后的classroom“教室”是名词，空格处应用名词所有格表示所属关系，当两人或多人共有一个人或事物时，只有最后一个名词用所有格形式；如果是各自拥有，各个名词都要用所有格形式。classroom是单数形式，说明这是吉姆和戴夫两人共有的教室，结合选项，只要在Dave后加’s。故选C。 15．（23-24七年级上·黑龙江大庆·期中）________ mother works in a hospital and she is an excellent doctor. A．Linda and Anna B．Linda’s and Anna C．Linda’s and Anna’s D．Linda and Anna’s 【答案】D 【详解】句意：琳达和安娜的母亲在一家医院工作，她是一名优秀的医生。 考查名词所有格。根据单数名词mother可知，此处是指琳达和安娜共同的母亲，所以在后者上使用所有格形式。故选D。 二、完成句子：根据句意在空格处填入一个合适的单词或者用括号所给单词的正确形式填空 1. （24-25七年级上·云南·期中）This is family photo. (Mary) 【答案】Mary’s 【详解】句意：这是玛丽的全家福。根据空后“family photo”可知，此处是指玛丽的全家福，应用Mary的所有格形式Mary’s作定语，修饰“family photo”。故填Mary’s。 2. （24-25七年级上·浙江宁波·期中）My (丈夫) good friend Mike is good at cooking. He usually makes delicious meals for his family. 【答案】husband’s 【详解】句意：我丈夫的好朋友迈克擅长烹饪。他通常为家人做美味的饭菜。hasband“丈夫”，可数名词，空前有my修饰，此处表示单数，根据“My...good friend”可知，此处用名词所有格形式。故填husband’s。 3. （24-25七年级上·四川成都·期中）—Where is Lucy’s bedroom? —It’s next to her (grandparent) bedroom. Their room is large. 【答案】grandparents’ 【详解】句意：——露西的卧室在哪里？——在她爷爷奶奶的卧室旁边。他们的房间很大。根据英文句子及提示词可知，此处表达“在她爷爷奶奶的卧室旁边”，应用所有格形式；grandparent的所有格为grandparents’。故填grandparents’。 4. （24-25七年级上·江苏扬州·期中）With these (write) help, I know more about this book. 【答案】writers’ 【详解】句意：在这些作家的帮助下，我对这本书有了更多的了解。根据“With these … help”可知，此处考查with one’s help“在某人的帮助下”，介词短语；结合句意，这里是指在这些作家的帮助下，应用动词write的名词形式writer“作者，作家”的复数所有格形式writers’。故填writers’。 5. （24-25七年级上·江苏扬州·期中）The bag on the ground is one of the famous (science). He forgets it. 【答案】scientists’ 【详解】句意：地上的袋子是一个著名的科学家的。他把它忘了。science“科学”。根据“The bag on the ground is one of the famous”可知，one of+名词复数“……之一”，这里应该是说地上的包是一位著名科学家的，所以要用 “科学家”scientist的复数形式scientists；又因为表示“某人的”，要用名词所有格形式，这里是众多科学家当中的一位的，所以是scientists’。故填scientists’。 6. （24-25七年级上·福建厦门·期中） (Lisa) pet dog is very cute. 【答案】Lisa’s 【详解】句意：丽莎的宠物狗很可爱。根据“...pet dog is very cute.”及所给单词可知此处是说“丽莎的”，因此要将Lisa变成所有格形式，即Lisa’s。故填Lisa’s。 7. （24-25七年级上·福建泉州·期中）Children in America will leave their (parent) home when they grow up (长大). 【答案】parents’ 【详解】句意：美国的孩子长大后会离开父母家。根据空后“home”可知，该空应填形容词饰名词，前面有their修饰，“parent”变为复数形式，再变为形容词形式即名词所有格“parents’”。故填parents’。 8. （24-25七年级上·福建厦门·期中）This is (Peter) eraser. 【答案】Peter’s 【详解】句意：这是彼得的橡皮擦。eraser是名词，此处使用Peter的名词所有格形式对其进行修饰，表示所属关系。故填Peter’s。 9. （24-25七年级上·重庆沙坪坝·期中）That (baby) eyes are beautiful. They look like stars. 【答案】baby’s 【详解】句意：那个婴儿的眼睛很漂亮。它们看起来像星星。空处修饰名词eyes，应用baby的所有格结构。故填baby’s。 10. （24-25七年级上·甘肃武威·期中）The house next to the farm is my (uncle). 【答案】uncle’s 【详解】句意：农场旁边的房子是我叔叔的。根据“The house next to the farm is my”可知题干需填入名词所有格形式，表示“农场旁边的房子是我叔叔的”，因此“uncle”需转化为所有格“uncle’s”。故填uncle’s。 11. （24-25七年级上·吉林长春·期中）These fishing rods are my (brothers). They like fishing a lot. 【答案】brothers’ 【详解】句意：这些钓竿是我兄弟的。他们非常喜欢钓鱼。根据“These fishing rods are my...They like...”可知钓竿是兄弟的，故此处用名词复数的所有格brothers’“兄弟的”。故填brothers’。 12. （23-24七年级上·山东济南·期中）There is a map China on the wall. 【答案】of 【详解】句意：墙上有一幅中国地图。根据“a map...China”可知此处指中国地图，表所属关系，用名词of格。故填of。 13. （22-23七年级上·山东济南·期中）It’s a picture Tom’s room. 【答案】of 【详解】句意：这是汤姆房间的照片。a picture of意为“一张……的照片”，所以此处用介词of表示所属关系，故填of。 14. （20-21七年级上·重庆北碚·期中）Here are two nice photos my family. 【答案】of 【详解】句意：这是我的两张漂亮的家庭照片。“photos”与“family”之间是所属关系，用of表示“……的”，a photo of“一张……的照片”，故填of。 15. （23-24七年级上·广西桂林·期中）Drinking a lot of cola is bad for (child) health. 【答案】children’s 【详解】句意：喝太多可乐对孩子的健康不好。根据“health”可知是孩子们的健康，空格处应用child的复数所有格children’s。故填children’s。 三、语法选择 Passage 1 （24-25七年级上·广东汕头·期末）My name is Julia and I’m 14 years old. I live with my family 1 London. My father is a doctor. My mother is a nurse. So I want 2 in a hospital when I grow up. My dad 3 very early on weekdays. I usually get up at 6:30 a.m. Then I usually have 4 apple, some bread and milk for breakfast. I think I eat 5 in the morning. After that, I go to school. I like going to school because all 6 classmates are very friendly. We always help each other. I have seven 7 every day. On Monday, Tuesday and Wednesday I go to the sports club after school. Thursday is different 8 I don’t go to the club to do sports. I can go home early. After dinner, I can enjoy 9 TV for an hour. On Friday evening I can go to see a movie with my friend, Lucy. It’s 10 for me to see a funny movie. At about 10:00 p.m., I go to sleep. 1. A．in B．on C．for 2. A．to work B．work C．working 3. A．start B．starts C．will start 4. A．a B．an C．the 5. A．health B．healthy C．healthily 6. A．my B．me C．I 7. A．lesson B．lesson’s C．lessons 8. A．after B．because C．when 9. A．watch B．to watch C．watching 10. A．relaxing B．relaxed C．relax 【答案】 1. A 2. A 3. B 4. B 5. C 6. A 7. C 8. B 9. C 10. A 【导语】本文讲述了14岁的女孩朱莉娅的日常生活。 1. 句意：我和家人住在伦敦。 in在……里面，大地点前用in；on在……上面；for为了。“London”是大地点，“live in +大地点”表示“住在……”，故选A。 2. 句意：所以我长大后想在医院工作。 to work工作，动词不定式；work工作，动词原形；working工作，现在分词。“want to do sth.”是固定搭配，意为“想要做某事”，所以这里用“to work”，故选A。 3. 句意：我爸爸工作日起床很早。 start开始，动词原形；starts是start的第三人称单数形式；will start是一般将来时结构。根据“on weekdays”可知，这里描述的是日常习惯性动作，用一般现在时，主语“My dad”是第三人称单数，所以动词用starts，故选B。 4. 句意：然后我通常早餐吃一个苹果、一些面包，喝牛奶。 a一个，用于辅音音素开头的单词前；an一个，用于元音音素开头的单词前；the这个，表示特指。“apple”是以元音音素/æ/开头的单词，所以用an，故选B。 5. 句意：我认为我早上吃得很健康。 health健康，名词；healthy健康的，形容词；healthily健康地，副词。这里修饰动词“eat”，要用副词形式，故选C。 6. 句意：我喜欢上学，因为我所有的同学都很友好。 my我的，形容词性物主代词；me我，宾格；I我，主格。这里修饰“classmates”，要用形容词性物主代词，故选A。 7. 句意：我每天有七节课。 lesson课，单数形式；lesson’s是lesson的所有格形式；lessons是lesson的复数形式。“seven”后接可数名词复数，故选C。 8. 句意：星期四不一样，因为我不去俱乐部做运动。 after在……之后；because因为；when当……时候。“I don’t go to the club to do sports”是“Thursday is different”的原因，所以用because引导原因状语从句，故选B。 9. 句意：晚饭后，我可以看一个小时电视。 watch看，动词原形；to watch看，动词不定式；watching看，现在分词或动名词。“enjoy doing sth.”是固定搭配，意为“喜欢做某事”，所以用“watching”，故选C。 10. 句意：看一部有趣的电影对我来说是令人放松的。 relaxing令人放松的，修饰物；relaxed感到放松的，修饰人；relax放松，动词。这里说的是“看电影”这件事令人放松，修饰物，所以用relaxing，故选A。 Passage 2 （24-25七年级上·广东惠州·期中）阅读下面短文， 掌握其大意， 根据语法和上下文连贯的要求， 从每题所给的三个选项中选出一个最佳答案。 Look! This is our new school! You can find three buildings and a playground. It’s not very big, 1 it’s really beautiful. We love it very much! As a new student of junior high, I make some plans. Firstly, 2 many new subjects, so I need to get ready for every lesson. Secondly, I will start a hobby. There are many 3 to join. I decide to join Basketball Club because I have 4 basketball friends. My parents ask me, “ 5 do you feel about the new school life?” I say, “It 6 me excited, but I am a bit worried. I have a lot of tasks and homework. It’s hard 7 my time. What should I do?” They give me 8 paper boat and say, “Dear, you will face new problems. Sometimes, you have to sail your boat by yourself. 9 fact, it’s OK to make mistakes. Just try 10 best and work hard. We are always here to help.” I feel so warm and thankful about their words. All in all, I will enjoy my journey in junior high. 1. A．and B．or C．but 2. A．there are B．there is C．there was 3. A．club B．clubs C．club’s 4. A．three B．third C．the third 5. A．What B．How C．Where 6. A．makes B．made C．will make 7. A．plan B．planning C．to plan 8. A．a B．an C．the 9. A．On B．At C．In 10. A．you B．your C．yours 【答案】 1. C 2. A 3. B 4. A 5. B 6. A 7. C 8. A 9. C 10. B 【导语】本文主要讲述了作者作为初中新生，对初中生活的计划和父母给他的鼓励。 1. 句意：它不是很大，但是它真的很漂亮。 and和；or或者；but但是。空格前后“not very big”和“ it’s really beautiful”之间存在转折关系，应用转折连词but连接。故选C。 2. 句意：首先，有很多新的科目，所以我需要为每节课做好准备。 there are有，主语是复数名词（一般现在时）；there is 有（一般现在时）；there was有（一般过去时）。这里讲述的是现在的事，所以用一般现在时，排除C选项。there is+单数或不可数名词，there are+复数名词，subjects是复数，所以用there are。故选A。 3. 句意：有很多俱乐部可以参加。 club 俱乐部（单数）；clubs俱乐部（复数）；club’s俱乐部的。空处在句中作主语，且空格前“many”可知，这里用可数名词复数。故选B。 4. 句意：我决定加入篮球俱乐部，因为我有三个篮球朋友。 three三，基数词；third第三，序数词；the third第三（定冠词+序数词）。根据“basketball friends”是复数名词可知，此处指三个篮球朋友，用基数词“three”表示“三个”。故选A。 5. 句意：我的父母问我：“你觉得新的学校生活怎么样？” What什么；How如何；Where哪里。根据“...do you feel about the new school life?”可知，此处是问“感觉新的学校如何”，所以用疑问词how。故选B。 6. 句意：它使我感到兴奋，但是我有点担心。 makes使（一般现在时） ；made使（一般过去时） ；will make将使 （一般将来时）。 根据“but I am a bit worried.” 可知，句子时态为一般现在时。故选A。 7. 句意：计划我的时间很困难。 plan 计划 （动词原形）； planning计划 （现在分词） ；to plan计划 （动词不定式） 。“It’s+形容词+ to do sth. （做某事是……的）”，固定句型。所以这里用动词不定式。故选C。 8. 句意：他们给我一个纸船，说“亲爱的，你将面临新的问题。……”。 a一个 （不定冠词，用在辅音音素前） ；an一个 （不定冠词，用在元音音素前）； the这个（定冠词） 。根据“paper boat”可知，这里表达“一个纸船”，表泛指，所以用不定冠词a/an，排除C选项。paper是以辅音音素开头的单词，所以用a。故选A。 9. 句意：事实上，犯错误是可以的。 On在……上；At在（小地点） ；In在……里。in fact “事实上”，固定搭配。故选C。 10. 句意：只要尽你最大的努力，努力学习。 you你（主格）； your你的 （形容词性物主代词） ；yours你的 （名词性物主代词） 。try one’s best “尽某人最大的努力”，固定搭配。所以这里用形容词性物主代词。故选B。 Passage 3 （24-25七年级上·广东肇庆·期末）Hi, I’m Lily from Ireland. I love 1 big family. Here’s a photo 2 us. I’m the one with the pink hat. This is my dad, Fred, on 3 left. He’s very handsome. He often 4 tennis with me. My little brother, Sam, 5 on his knee. Sam is seven, 6 he really likes chess. My mum, Jane, is on the right. She’s beautiful and kind. She always reads me a story 7 night. My grandparents, Jack and Sarah, are in the middle. They’re my 8 parents. They have a dog. His name is Oscar. My grandparents have three 9 : Sam, my cousin Lucy, and me. They often say I’m 10 favorite grandchild, but I think they say the same thing to all of us! 1. A．me B．my C．mine 2. A．of B．with C．for 3. A．a B．an C．the 4. A．play B．plays C．playing 5. A．am B．are C．is 6. A．and B．but C．or 7. A．in B．on C．at 8. A．dad B．dad’s C．dads 9. A．grandchildren B．children C．grandchild 10. A．they B．them C．their 【答案】 1. B 2. A 3. C 4. B 5. C 6. A 7. C 8. B 9. A 10. C 【导语】本文是记叙文，作者在文中介绍了自己的家人。 1. 句意：我爱我的大家庭。 me我，人称代词宾格；my我的，形容词性物主代词；mine我的，名词性物主代词。根据“big family”可知，此处指的是“我的”大家庭，故选B。 2. 句意：这是我们的照片。 of……的；with和；for为了。 根据“Here’s a photo…us”可知，此处指的是“我们的照片”，故选A。 3. 句意：这是我爸爸，弗雷德，在左边。 a一，泛指，用于辅音音素开头的单词前；an一，泛指，用于元音音素开头的单词前；the特指。此处特指父亲的位置，应用定冠词the，on the left“在左边”。故选C。 4. 句意：他经常和我打网球。 play玩，动词原形；plays玩，三单形式；playing玩，动名词或现在分词。根据“He often”可知，该句是一般现在时，主语是“He”，动词填三单形式。故选B。 5. 句意：我的小弟弟萨姆跪在地上。 am是，第一人称单数主语；are是，复数主语；is是，第三人称单数主语。 根据“My little brother, Sam”可知，此处描述弟弟的状态，且“Sam”是单数，填is。故选C。 6. 句意：萨姆七岁了，他非常喜欢下棋。 and和；but但是；or或者。根据“ Sam is seven…he really likes chess”可知，前后两句为并列关系，连接词用and。故选A。   7. 句意：她总是在晚上给我读故事。 in接年/月/季节；on接具体某一天；at在某时刻。根据“night”可知，考查固定表达at night“在晚上”。故选C。 8. 句意：他们是我爸爸的父母。 dad爸爸；dad’s爸爸的；dads爸爸们。根据“My grandparents, Jack and Sarah, are in the middle.”可知，此处应该说是爸爸的父母。故选B。 9. 句意：我的祖父母有三个孙子：山姆，我的表妹露西和我。 grandchildren孙子（女），名词复数；children孩子，名词复数；grandchild孙子（女），名词单数。根据“Sam, my cousin Lucy, and me.”可知，此处应该说有三个孙辈的孩子，故选A。 10. 句意：他们经常说我是他们最喜欢的孙女，但我认为他们对我们所有人说的都是一样的！ they他们，人称代词主格；them他们，人称代词宾格；their他们的，形容词物主代词。根据“favorite grandchild, but I think they say the same thing to all of us!”可知，此处是说“我是他们的最喜的孙女”，填形容词性物主代词their，修饰“favorite grandchild”。故选C。 四、语法填空 Passage 1 （24-25七年级上·湖北恩施·期末）阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。 My mother is forty years old. I 1 (think) she is a great woman. She gets up at half 2 six every day. She 3 (cook) breakfast. She goes to work at 7:40. She works in 4 office. We 5 (not) go home for lunch. In the evening, she often helps me with 6 (I) Chinese. I love my mother. She is kind 7 us. On Sundays, we often 8 (eat) out. On Sunday afternoon, my mother would like to do some 9 (shop) with me. Sometimes we go to see the animals in the zoo. I like 10 (panda) very much, but my father likes tigers. He thinks they are strong. 【答案】 1. think 2. past 3. cooks 4. an 5. don’t 6. my 7. to 8. eat 9. shopping 10. pandas 【导语】本文是作者介绍了自己的家庭生活。 1. 句意：我认为她是一位伟大的女性。根据“My mother is forty years old.”可知，此处是作者对妈妈的客观评价，时态为一般现在时，主语“I”是第一人称单数，谓语动词用原形。故填think。 2. 句意：她每天六点半起床。“half past six”表示“六点半”，固定短语。故填past。 3. 句意：她做早餐。根据“every day”可知，时态为一般现在时，主语“She”是第三人称单数，谓语动词用第三人称单数形式。故填cooks。 4. 句意：她在办公室工作。根据“She works in … office”可知，在一个办公室工作，office是以元音音素开头的，应用不定冠词an修饰。故填an。 5. 句意：我们午饭不回家。根据“We...go home for lunch.”可知，此处是一般现在时的否定句，主语“We”是第一人称复数，谓语动词是实义动词go，否定句借助助动词don’t。故填don’t。 6. 句意：晚上，她经常帮我学中文。此处作定语修饰名词Chinese，用形容词性物主代词my。故填my。 7. 句意：她对我们很友好。“be kind to sb.”表示“对某人友好”，固定短语。故填to。 8. 句意：星期天，我们经常出去吃饭。“often”是一般现在时的标志词，主语“we”是第一人称复数，谓语动词用原形。故填eat。 9. 句意：星期日下午，我妈妈想和我一起去购物。“do some shopping”表示“去购物”，固定短语。故填shopping。 10. 句意：我非常喜欢熊猫，但是我爸爸喜欢老虎。panda是可数名词，此处表示泛指，panda用复数形式。故填pandas。 Passage 2 （24-25七年级上·山东烟台·期末）阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。 Everyone could find their own interest, some even at a very young age. Tang Lei was born in 2017. Her mom Liang Hua worked in a supermarket in the past, 1 she lost her job in 2023. As a mother of two, she had to make money for her family. She could make cakes, so she started 2 (sell) cakes. Seven-year-old Tang saw her mom make cakes, but she cried (哭泣) every time she saw a cake go. Later Mrs. Liang found that Tang was really interested in 3 (make) cakes, so she tried to teach the little girl to make cakes. Tang was so 4 (talent) that soon she made her first birthday cake by 5 (she). It was for her father. Tang always has great 6 (idea) on cake making. She can make quite a lot of cakes. They usually come from cartoon movies. Mrs. Liang 7 (bring) out the best in her daughter. She often watches her daughter make cake 8 (quiet). Liang shared Tang’s stories on the Internet, and more and more people know the little girl. They like to watch her make a cake for fun and enjoy the 9 (wonder) process (过程) with the girl. Some people want to order a cake from Tang, but her mother doesn’t take any orders. “ 10 she’s good at making cakes, she is just a little girl and she should have lots of fun,” she says. 【答案】 1. but 2. to sell/selling 3. making 4. talented 5. herself 6. ideas 7. brings 8. quietly 9. wonderful 10. Although/Though 【导语】本文主要讲述了唐蕾妈妈失业后开始卖蛋糕，唐蕾对做蛋糕感兴趣且有天赋，妈妈引导，其做蛋糕故事受关注，妈妈拒接单让她享受童年。 1. 句意：她的妈妈梁华过去在一家超市工作，但她在2023年失业了。根据“Her mom Liang Hua worked in a supermarket in the past, ... she lost her job in 2023.”可知，前后句为转折关系，需用but连接。故填but。 2. 句意：她会做蛋糕，所以她开始卖蛋糕。start to do sth.或start doing sth.表示“开始做某事”。故填to sell/ selling。 3. 句意：后来梁女士发现唐蕾对做蛋糕很感兴趣，所以她试着教这个小女孩做蛋糕。be interested in doing sth.是固定搭配，意为“对做某事感兴趣”。故填making。 4. 句意：唐蕾很有天赋，很快她就自己做出了第一个生日蛋糕。so...that结构中需用形容词talented作表语。故填talented。 5. 句意：唐蕾很有天赋，很快她就自己做出了第一个生日蛋糕。by oneself表示“独自”，需用反身代词herself。故填herself。 6. 句意：唐蕾在做蛋糕方面总有很棒的想法。idea“想法”，为可数名词，空前是一个形容词，所以此处用复数形式。故填ideas。 7. 句意：梁女士激发了女儿的最佳潜能。根据“She often watches...”可知，此处为一般现在时，主语是第三人称单数，空处用动词三单。故填brings。 8. 句意：她经常安静地看着女儿做蛋糕。空处需用副词quietly修饰动词watches。故填quietly。 9. 句意：他们喜欢看她做蛋糕取乐，和这个女孩一起享受奇妙的过程。根据“enjoy the...process (过程) with the girl”可知，空处需填一个形容词，修饰名词process。wonderful“奇妙的，精彩的”，是形容词。故填wonderful。 10. 句意：虽然她擅长做蛋糕，但她只是个小女孩，应该有很多乐趣。根据“...she’s good at making cakes, she is just a little girl and she should have lots of fun”可知，此处为although或though引导的让步状语从句，句子首字母大写。故填Although/ Though。 Passage 3 （24-25七年级上·浙江金华·期末）阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。 A father and his daughter are playing outside. When they walk 1 (slow) along the street, the little girl sees an apple store and asks her father 2 (buy) her some apples. The father doesn’t have too much money, 3 he has enough to get a few. So, he buys two apples for his daughter. The daughter 4 (hold) one apple in each hand. Her father then asks if she can share one 5 him. Without thinking twice, the girl takes a bite (咬) from each apple before her father can even say a word. The father is 6 (surprise) and his smile is soon gone. He starts to think how to teach her about sharing. He feels a little sad, thinking, “For her, maybe, there 7 (be) still a long way to go to understand these feelings.” But then, his daughter, holding one apple, says, “Dad, you can have this one. It’s 8 (sweet) than that one.” Hearing this, the father can’t say a word. He feels bad for 9 (think) of his daughter that way. His smile comes back at once. He learns 10 important lesson from such a little girl. 【答案】 1. slowly 2. to buy 3. but 4. holds 5. with 6. surprised 7. is 8. sweeter 9. thinking 10. an 【导语】本文讲述了一对父女在街上散步时，女儿请求父亲买苹果的故事。女儿在父亲提出分享时，先咬了每个苹果一口，但随后将更甜的苹果递给父亲，展现了她的爱与分享精神。 1. 句意：当他们沿着街道慢慢走时，小女孩看到一家苹果店，请求父亲给她买一些苹果。根据“When they walk...along the street”可知，此处需用副词slowly修饰动词walk。故填slowly。 2. 句意：当他们沿着街道慢慢走时，小女孩看到一家苹果店，请求父亲给她买一些苹果。ask sb to do sth“叫某人做某事”，此处需用动词不定式to buy作ask的宾语补足语。故填to buy。 3. 句意：父亲没有太多钱，但他有足够的钱买一些。根据“The father doesn’t have too much money,...he has enough to get a few.”可知，此处表示转折，需用连词but“但是”。故填but。 4. 句意：女儿每只手拿着一个苹果。根据上文“he buys two apples for his daughter.”可知，此处时态需用一般现在时，主语是第三人称单数The daughter，动词hold需用第三人称单数形式holds。故填holds。 5. 句意：父亲问她是否可以和他分享一个。share something with sb“与某人分享某物”。故填with。 6. 句意：父亲感到惊讶，笑容很快就消失了。根据“The father is”可知，应是父亲很惊讶，此处需用形容词surprised作表语，表示“感到惊讶”。故填surprised。 7. 句意：对她来说，可能还需要很长时间才能理解这些感受。根据上文“He feels a little sad, thinking,”可知，此处需用一般现在时，主语是a long way，谓语动词用is。故填is。 8. 句意：爸爸，你可以吃这个，它比那个更甜。根据句中“than”可知，此处需用形容词比较级sweeter表示“更甜”。故填sweeter。 9. 句意：他为自己那样想女儿感到难过。空前为介词“for”，此处需用动名词thinking作介词for的宾语。故填thinking。 10. 句意：他从这样一个小女孩身上学到了重要的一课。“lesson”为名词，此处需用不定冠词修饰important lesson。“important”发音以元音音素开头，故填an。 1 / 19 学科网（北京）股份有限公司 $$单元核心语法·精练 Unit 3 Family ties （名词的所有格） 内容提要 核心语法回顾 专项能力突破 解题综合提升 名词所有格 用法介绍 名词所有格用于表示名词之间的所属关系，主要有两种形式：’s 所有格和 of 所有格。它能明确说明某物归属于某人或某事物，使表达更加准确清晰。 分类 构成方式 示例 ’s 所有格 一般情况下，在单数名词后加’s the boy’s bag（这个男孩的书包）；Tom’s book（汤姆的书） 以 s 结尾的复数名词，在词尾加’ the girls’ desks（女孩子们的书桌）；the teachers’ office（老师们的办公室） 不以 s 结尾的复数名词，仍加’s the children’s toys（孩子们的玩具）；the women’s hats（女士们的帽子） 表示两人或多人共同拥有时，在最后一个名词后加’s Lucy and Lily’s mother（露西和莉莉的妈妈，两人共有一个妈妈） 表示两人或多人分别拥有时，在每个名词后都加’s Tom’s and Jack’s pens（汤姆的钢笔和杰克的钢笔，两人各自有钢笔） of 所有格 用于无生命的事物或较长的名词短语，表示所属关系 the door of the classroom（教室的门）；the name of the book（这本书的名字） 当表示有生命的名词的定语较长时，也可用 of 所有格 the story of the brave soldier（这位勇敢士兵的故事） 双重所有格 由 “of + 名词所有格 / 名词性物主代词” 构成，用来表示整体中的一部分 a friend of my father’s（我父亲的一位朋友，父亲朋友中的一个）；a book of mine（我的一本书，我众多书中的一本） 注意事项 1. ’s 所有格的读音：在清辅音后读 /s/，如 the book’s cover（/bʊks ˈkʌvə(r)/）；在浊辅音和元音后读 /z/，如 the boy’s toy（/bɔɪz tɔɪ/）；在以 s 结尾的名词后，读音为 /ɪz/，如 the girls’ classroom（/ɡɜːlz ˈklɑːsruːm/） 。 2. of 所有格与’s 所有格的选择：一般有生命的名词用’s 所有格；无生命的名词用 of 所有格，但也有例外，如表示时间、距离、国家、城市等无生命名词，常用’s 所有格，如 today’s newspaper（今天的报纸）；ten minutes’ walk（十分钟的步行路程） 。 3. 双重所有格的特点：被修饰名词前通常有 a，an，some，any，several，no，few，two 等限定词，不能用 the 。如可以说 a friend of my mother’s，但不能说 the friend of my mother’s 。且双重所有格所修饰的名词与 of 短语中的名词之间是部分与整体的关系，如 a picture of my father’s（我父亲的一张照片，父亲有很多照片，这是其中一张）和 a picture of my father（我父亲本人的一张照片，照片上是父亲）意义不同 。 4. 特殊所有格情况：表示店铺、诊所、住宅等的名词所有格，其后的名词常省略，如 the doctor’s（诊所）；my uncle’s（我叔叔家） 。 一、单项选择 1．（24-25七年级上·四川攀枝花·期中）—Is this ________ family photo? —Yes, it is. A．Lily and Frank’s B．Lily and Frank C．Lily’s and Frank D．Lily’s and Frank’s 2．（24-25七年级上·四川广安·期中）________ room is big and tidy. A．Tom’s and Mike B．Tom’s and Mikes’ C．Tom’s and Mike’s D．Tom and Mike’s 3．（24-25七年级上·湖北武汉·期中）—__________ caps are these? —They are my __________. They like wearing caps. A．Who; grandparents B．Whose; grandparents’ C．Who; grandparents’ D．Whose; grandparent’s 4．（24-25七年级上·云南昆明·期中）—Is this ________ bedroom? —No, it’s not. It’s ________. My bedroom is on the second floor. A．your; Sara and Tina’s B．your; Sara’s and Tina’s C．you; Sara and Tina’s D．you; Sara’s and Tina’s 5．（24-25七年级上·吉林长春·期中）I can’t find the dictionary in ________ room because it’s not tidy. A．Jane’s and Kate’s B．Jane and Kate’s C．Jane and Kate D．Jane’s and Kate 6．（24-25七年级上·天津·期中）Along the way, the father and the son start to see into ________ heart(s). A．the father’s B．the son’s C．each other’s D．/ 7．（24-25七年级上·重庆长寿·期中）Mr. Green is ________ Chinese teacher. A．Jack’s and Tom’s B．Jack’s and Tom C．Jack and Tom D．Jack and Tom’s 8．（24-25七年级上·重庆九龙坡·期中）—You have a nice house! Whose room is this? — It’s _________. A．Jim and Jack’s B．Jim’s and Jack C．Jim’s and Jack’s D．Jim and Jack 9．（24-25七年级上·吉林白山·期中）—How far is it from here to the station? —It’s ________ walk. A．six minutes’ B．six-minutes C．six minutes D．six minute’s 10．（24-25七年级上·吉林长春·期中）This is ________ bedroom. It’s very tidy. A．Lin Hai and Coco B．Lin Hai and Coco’s C．Lin Hai’s and Coco’s D．Lin Hai’s and Coco 11．（24-25七年级上·甘肃陇南·期中）______ room is big and tidy. A．Tom’s and Mike B．Tom and Mike’s C．Tom’s and Mike’s D．Tom’s and Mikes’ 12．（23-24七年级上·陕西西安·期中）—Where ________ Lucy and Lily’s bedroom? —It’s next to their ________ bedroom. A．are; grandparents B．is; grandparents’ C．is; grandparents D．are; grandparents’ 13．（23-24七年级上·河北保定·期末）This is my ________ computer. They buy it at a good price. A．parent B．parent’s C．parents D．parents’ 14．（23-24七年级上·河北唐山·期中）This is ________ classroom. They are in Class Two. A．Jim and Dave B．Jim’s and Dave’s C．Jim and Dave’s D．Jim’s and Dave 15．（23-24七年级上·黑龙江大庆·期中）________ mother works in a hospital and she is an excellent doctor. A．Linda and Anna B．Linda’s and Anna C．Linda’s and Anna’s D．Linda and Anna’s 二、完成句子：根据句意在空格处填入一个合适的单词或者用括号所给单词的正确形式填空 1. （24-25七年级上·云南·期中）This is family photo. (Mary) 2. （24-25七年级上·浙江宁波·期中）My (丈夫) good friend Mike is good at cooking. He usually makes delicious meals for his family. 3. （24-25七年级上·四川成都·期中）—Where is Lucy’s bedroom? —It’s next to her (grandparent) bedroom. Their room is large. 4. （24-25七年级上·江苏扬州·期中）With these (write) help, I know more about this book. 5. （24-25七年级上·江苏扬州·期中）The bag on the ground is one of the famous (science). He forgets it. 6. （24-25七年级上·福建厦门·期中） (Lisa) pet dog is very cute. 7. （24-25七年级上·福建泉州·期中）Children in America will leave their (parent) home when they grow up (长大). 8. （24-25七年级上·福建厦门·期中）This is (Peter) eraser. 9. （24-25七年级上·重庆沙坪坝·期中）That (baby) eyes are beautiful. They look like stars. 10. （24-25七年级上·甘肃武威·期中）The house next to the farm is my (uncle). 11. （24-25七年级上·吉林长春·期中）These fishing rods are my (brothers). They like fishing a lot. 12. （23-24七年级上·山东济南·期中）There is a map China on the wall. 13. （22-23七年级上·山东济南·期中）It’s a picture Tom’s room. 14. （20-21七年级上·重庆北碚·期中）Here are two nice photos my family. 15. （23-24七年级上·广西桂林·期中）Drinking a lot of cola is bad for (child) health. 三、语法选择 Passage 1 （24-25七年级上·广东汕头·期末）My name is Julia and I’m 14 years old. I live with my family 1 London. My father is a doctor. My mother is a nurse. So I want 2 in a hospital when I grow up. My dad 3 very early on weekdays. I usually get up at 6:30 a.m. Then I usually have 4 apple, some bread and milk for breakfast. I think I eat 5 in the morning. After that, I go to school. I like going to school because all 6 classmates are very friendly. We always help each other. I have seven 7 every day. On Monday, Tuesday and Wednesday I go to the sports club after school. Thursday is different 8 I don’t go to the club to do sports. I can go home early. After dinner, I can enjoy 9 TV for an hour. On Friday evening I can go to see a movie with my friend, Lucy. It’s 10 for me to see a funny movie. At about 10:00 p.m., I go to sleep. 1. A．in B．on C．for 2. A．to work B．work C．working 3. A．start B．starts C．will start 4. A．a B．an C．the 5. A．health B．healthy C．healthily 6. A．my B．me C．I 7. A．lesson B．lesson’s C．lessons 8. A．after B．because C．when 9. A．watch B．to watch C．watching 10. A．relaxing B．relaxed C．relax Passage 2 （24-25七年级上·广东惠州·期中）阅读下面短文， 掌握其大意， 根据语法和上下文连贯的要求， 从每题所给的三个选项中选出一个最佳答案。 Look! This is our new school! You can find three buildings and a playground. It’s not very big, 1 it’s really beautiful. We love it very much! As a new student of junior high, I make some plans. Firstly, 2 many new subjects, so I need to get ready for every lesson. Secondly, I will start a hobby. There are many 3 to join. I decide to join Basketball Club because I have 4 basketball friends. My parents ask me, “ 5 do you feel about the new school life?” I say, “It 6 me excited, but I am a bit worried. I have a lot of tasks and homework. It’s hard 7 my time. What should I do?” They give me 8 paper boat and say, “Dear, you will face new problems. Sometimes, you have to sail your boat by yourself. 9 fact, it’s OK to make mistakes. Just try 10 best and work hard. We are always here to help.” I feel so warm and thankful about their words. All in all, I will enjoy my journey in junior high. 1. A．and B．or C．but 2. A．there are B．there is C．there was 3. A．club B．clubs C．club’s 4. A．three B．third C．the third 5. A．What B．How C．Where 6. A．makes B．made C．will make 7. A．plan B．planning C．to plan 8. A．a B．an C．the 9. A．On B．At C．In 10. A．you B．your C．yours Passage 3 （24-25七年级上·广东肇庆·期末）Hi, I’m Lily from Ireland. I love 1 big family. Here’s a photo 2 us. I’m the one with the pink hat. This is my dad, Fred, on 3 left. He’s very handsome. He often 4 tennis with me. My little brother, Sam, 5 on his knee. Sam is seven, 6 he really likes chess. My mum, Jane, is on the right. She’s beautiful and kind. She always reads me a story 7 night. My grandparents, Jack and Sarah, are in the middle. They’re my 8 parents. They have a dog. His name is Oscar. My grandparents have three 9 : Sam, my cousin Lucy, and me. They often say I’m 10 favorite grandchild, but I think they say the same thing to all of us! 1. A．me B．my C．mine 2. A．of B．with C．for 3. A．a B．an C．the 4. A．play B．plays C．playing 5. A．am B．are C．is 6. A．and B．but C．or 7. A．in B．on C．at 8. A．dad B．dad’s C．dads 9. A．grandchildren B．children C．grandchild 10. A．they B．them C．their 四、语法填空 Passage 1 （24-25七年级上·湖北恩施·期末）阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。 My mother is forty years old. I 1 (think) she is a great woman. She gets up at half 2 six every day. She 3 (cook) breakfast. She goes to work at 7:40. She works in 4 office. We 5 (not) go home for lunch. In the evening, she often helps me with 6 (I) Chinese. I love my mother. She is kind 7 us. On Sundays, we often 8 (eat) out. On Sunday afternoon, my mother would like to do some 9 (shop) with me. Sometimes we go to see the animals in the zoo. I like 10 (panda) very much, but my father likes tigers. He thinks they are strong. Passage 2 （24-25七年级上·山东烟台·期末）阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。 Everyone could find their own interest, some even at a very young age. Tang Lei was born in 2017. Her mom Liang Hua worked in a supermarket in the past, 1 she lost her job in 2023. As a mother of two, she had to make money for her family. She could make cakes, so she started 2 (sell) cakes. Seven-year-old Tang saw her mom make cakes, but she cried (哭泣) every time she saw a cake go. Later Mrs. Liang found that Tang was really interested in 3 (make) cakes, so she tried to teach the little girl to make cakes. Tang was so 4 (talent) that soon she made her first birthday cake by 5 (she). It was for her father. Tang always has great 6 (idea) on cake making. She can make quite a lot of cakes. They usually come from cartoon movies. Mrs. Liang 7 (bring) out the best in her daughter. She often watches her daughter make cake 8 (quiet). Liang shared Tang’s stories on the Internet, and more and more people know the little girl. They like to watch her make a cake for fun and enjoy the 9 (wonder) process (过程) with the girl. Some people want to order a cake from Tang, but her mother doesn’t take any orders. “ 10 she’s good at making cakes, she is just a little girl and she should have lots of fun,” she says. Passage 3 （24-25七年级上·浙江金华·期末）阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。 A father and his daughter are playing outside. When they walk 1 (slow) along the street, the little girl sees an apple store and asks her father 2 (buy) her some apples. The father doesn’t have too much money, 3 he has enough to get a few. So, he buys two apples for his daughter. The daughter 4 (hold) one apple in each hand. Her father then asks if she can share one 5 him. Without thinking twice, the girl takes a bite (咬) from each apple before her father can even say a word. The father is 6 (surprise) and his smile is soon gone. He starts to think how to teach her about sharing. He feels a little sad, thinking, “For her, maybe, there 7 (be) still a long way to go to understand these feelings.” But then, his daughter, holding one apple, says, “Dad, you can have this one. It’s 8 (sweet) than that one.” Hearing this, the father can’t say a word. He feels bad for 9 (think) of his daughter that way. His smile comes back at once. He learns 10 important lesson from such a little girl. 5 / 19 学科网（北京）股份有限公司 $$