七年级英语上学期12月第三次月考02(湖南长沙卷)-2024-2025学年七年级英语上册单元重难点易错题精练（人教版2024）

2024-2025学年上学期第一次月考（湖南长沙卷) 英语·答题卡 姓 名： 条码粘贴处 是 缺考标记一 注意事项 违纪标记口 L,答题前， 考生先将自己的姓名、准考证号码填写清楚， 以上标记由靠考 2. 请将准考证条码粘黏在右侧的[条码粘处]的方框内。 3,选择题必须使用2B铅笔填涂；非择题必须用0.5m黑色字迹的签字笔填写，字体工整。 人员用2B铅笔 4.请按题号序在各题的答题区内作答，超出范围的答案无效，在草纸、试卷上作答无效。 填涂刻 5.保持卡面清洁，不要折叠、不要弄破、弄彼，不准使用涂改液、刮纸刀。 6. 填涂样例正确■错误一[√][] 选择题（请用2B铅笔填涂） (1一20小题，每小题1分.21-35每小题2分；36一45小题，每小题1.5分)》 L[AJ[BJIC] 6[AJ[BJIC] 11[A]IB]IC] 16A]IB]IC] 2JAJ[BIIC] 7AJIBIICI 12A]IBIIC] 17[A][B]ICI 3.[A][BIICI 8(A]IBIIC] 13.JA]IB]IC] 18[A]IB]ICI 4A][BIICI 9AJIBIICI 14A][BI[CI 19A]IBI[CI 5AJIB]IC] 10.[A]IB]IC] 15[AJ[B]IC] 20.[AJIB]IC] 21[A][BJ[CI 26.[A]IB]IC] 31[AJIB]IC] 22[AI[B]ICI 27[AJ[BI[CI 23JAJIBIICI 281A1[B11C1 24A]IB]IC] 29.[AIIBIICI 25JA][BIICI 30.[A][B]IC] 32AJ[BIICIIDI[E] 33.[A][BI[CIIDI[E] 34AJ[B]IC]ID][E] 351AJ[B]ICIIDI[E] 361A]IB]ICI 41[A][B]IC] 37.A1[B1IC1 42[A][B]IC] 38[A]IB]IC] 43.[A][B]IC] 39.[A]IB]ICI 44A1IB]C145 40.[A][BIIC] AHBJCI 英语第1页（共2页） 五、短文填空(10小题，每小题1分，共10分) 46. 47. 48. 49. 50. 51 52 53. 54 55. 六、阅读短文回答问题(5小题，每小题2分，共10分)。 56 57 58 59 60 八、书面表达(15分) 英语第2页（共2页） 2024-2025学年七年级上学期第三次月考（湖南长沙卷） 英 语 （考试时间：90分钟 试卷满分：100分） 注意事项： 1、答题前，请考生先将自己的姓名、准考证号填写清楚，并认真核对条形码上的姓名、准考证号、考室和座位号； 2、必须在答题卡上答题，在草稿纸、试题卷上答题无效； 3、答题时，请考生注意各大题题号后面的答题提示； 4、请勿折叠答题卡，保持字体工整、笔迹清晰、卡面清洁; 5、答题卡上不得使用涂改液、涂改胶和贴纸； 6、本学科试卷中听力材料以中速朗读两遍。 I．听力（共两节，满分20分） 第一节 听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项回答问题。听每段对话前，你都有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。（共5小题，计5分） 1．What’s Jack’s telephone number? A．It’s 620-2367. B．It’s 620-2365. C．It’s 602-4568. 2．What subject does John like? A．History. B．Chinese. C．Geography. 3．Where are the strawberries? A．In the purple bag. B．On the blue table. C．In the yellow box. 4．What animal does Jeff like? A．He likes tigers. B．He likes pandas. C．He likes monkeys. 5．What is Jenny’s favorite sport? A．Soccer. B．Basketball. C．Ping-pong. 第二节（共15小题；每小题1分，满分15分） 听下面6段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 6．Which club is Daniel in? A．The Maths Club. B．The Football Club. C．The Reading Club. 7．What can we know about Daniel? A．He is short. B．He has long hair. C．He is tall. 听材料，回答问题。 8．Alice is ________. A．at school B．in the zoo C．at home 9．They want to ________. A．do some shopping B．go to the zoo C．have a picnic 听材料，回答问题。 10．Whose book is that? A．Linda’s. B．Helen’s. C．We don’t know. 11．What does Helen look like? A．She is short. B．She is tall. C．She is thin (瘦的). 听材料，回答问题。 12．What color does the woman like? A．Orange. B．Black. C．Blue. 13．What size of the T-shirt does the woman want to buy? A．Size S. B．Size M. C．Size L. 14．How much will the woman pay (支付)? A．10 dollars. B．15 dollars. C．50 dollars. 听材料，回答问题。 15．When is the woman’s father’s birthday dinner? A．Tomorrow. B．Next week. C．Next month. 16．What is the woman’s father’s favorite food? A．Fish. B．Eggs. C．Tomatoes. 17．Who are the speakers? A．Friends. B．Brother and sister. C．Father and daughter. 听材料，回答问题。 18．What does the man want to buy? A．Some fruit. B．Some cakes. C．Some flowers. 19．What fruit does Mr. Brown like? A．Apples. B．Pears. C．Bananas. 20．When is the first class? A．At 9:00. B．At 8:30. C．At 8:20. II．阅读（共三节，满分30分） 第一节 （共10小题；每小题2分，满分20分） 阅读下列材料，从每题所给的A、B、C三个选项中，选出最佳选项。 A ANDERSON FAMILY 21．What is Jacob’s last name? A．Smith. B．Miller. C．Anderson. 22．Jacob has ________. A．a sister B．a brother C．two sisters B Now Chinese students in middle schools have one labor (劳动) class a week. How do students like the new subject? Let’s have a look. In our school, students learn to grow (种植) vegetables. We have labor class on Friday. We grow carrots, potatoes and we grow strawberries, too. We like labor class very much. It is really relaxing. —Li Yang, Changsha I can learn to cook (煮)from my teacher. At first, it is very difficult to learn. I feel great when I cook good food. I can scramble (炒) eggs with tomatoes for my family. I can do salad, too. I like the new subject. Thanks to it, I can learn a lot. I think it is useful. —Wang Meng, Zhuzhou We keep (饲养) chickens at school. We take vegetables, rice to them to eat on Tuesday. We can play with chickens. So much fun, right? It is my favorite subject. —Ye Jun, Zhangjiajie 23．How many labor classes do Chinese middle school students have every week? A．1. B．2. C．3. 24．The underlined word “it” refers to (指代) ________. A．the meal B．the family C．the subject 25．Which of the following is NOT TRUE according to the passage? A．Li Yang thinks having labor classes is relaxing. B．Wang Meng thinks cooking meals is not useful. C．Ye Jun thinks keeping chickens is fun. 26．The passage is about ________. A．how students like labor classes B．how students learn labor skills C．how teachers teach students labor classes C Dara is a good and clever shepherd (牧羊人). The sheep in his care never gets lost. People see that he is great at leading, so they make him the leader (首领) of their town. However, some people don’t like Dara. They tell lies to the king about Dara, saying he is a thief and that he takes money from people and keeps it in a box on his camel (骆驼). The king goes to Dara’s town to have a look. He finds Dara and he is just riding on his camel with a box on it. The king becomes angry and asks Dara to open the box, so he can look inside. When Dara opens the box, there are only things for a shepherd to use, not money. Dara tells the king, “These are just for my work as a shepherd. I often look at them, thinking about my past. They tell me to stay good and be happy with what I have today.” The king is very satisfied to hear that. He makes Dara the leader of another town. From that day on, more and more people in the country know of Dara and believe in him. 27．Why do people in the town choose Dara as their leader? A．Because he has many sheep. B．Because he is good at leading. C．Because he is a clever man in the town. 28．What do some people tell the king about Dara? A．Dara is not a good shepherd. B．Dara is not great at leading. C．Dara takes money from other people. 29．What does the underlined (下划线的) word “satisfied” mean? A．Angry. B．Happy. C．Sad. 30．Where is the passage probably (可能) from? A．A storybook. B．A newspaper. C．A science magazine. 第二节 (共5小题；每小题2分，满分10分) 根据短文内容，从短文后面的选项中选出能填入空白处的最佳选项。选项中有一项是多余项。 Hello, I am Bill. Do you like school trips? Do you know what you can get from the trips? 31 ※ First, school trips are relaxing and they give you a lot of fun. 32 ※ 33 You can get more about nature (自然) and the outside world (外面的世界). But you can’t get them from your books or in your classes. Third, you can know how to do things. 34 When you go out, you need to think about what clothes to wear (穿) and what you need to take with you. ※ 35 If you go outside, you may need to work with classmates and help each other. You can make more friends, too. A．They can make your school life more interesting. B．These are some great things about school trips. C．You can know how to look after (照顾) yourselves. D．At last, school trips can teach you how to work with others. E．Second, you can get some things different (与……不同) from what you get in class. III．语言运用（共三节，满分35分） 第一节 （共10小题；每小题1.5分，满分15分） 阅读下面短文，从短文后各题所给的A、B、C三个选项中，选出可以填入空白处的最佳选项。 We have a 36 in summer every year. This year, every student has to go with an adult (成年人). My parents are 37 , so they ask Uncle Bob to go with me. Oh, no! I don’t want to be with Uncle Bob. He always does funny things! 38 the first day of our trip, we go to the forest. My classmate Tina can’t come down from a tree. Uncle Bob climbs up (爬上去) to get her, 39 his foot got stuck (卡住) in the tree. He looks so funny at that time. Then our teacher comes and helps them come down from the tree. After coming down, Tina asks me, “Is he your uncle?” “Oh, he’s 40 my father’s friend,” I say. Yes, I tell her a lie (谎话). When the five-day trip is over, I am 41 because at last, I can say goodbye to my Uncle Bob. On the way home, the bus goes BANG! “Sorry, I can’t fix (修理) it,” the bus driver says. “I have to find someone to 42 me.” “I’ll fix it,” Uncle Bob says. When Uncle Bob gets back (返回) on the bus, his face and clothes are dirty (脏的). “Let’s go!” he says 43 . Then he does a funny dance on the bus. When we get back to school, Tina asks, “He’s your uncle, isn’t he?” “Yes,” I say. “I’m sorry I tell you a lie.” “You are lucky to have a nice uncle!” said Tina. “We all like 44 .” This is my uncle—a funny and 45 uncle. 36．A．school trip B．music festival C．book sale 37．A．free B．busy C．cool 38．A．At B．From C．On 39．A．but B．or C．and 40．A．always B．only C．often 41．A．happy B．unhappy C．late 42．A．take B．need C．help 43．A．happily B．healthily C．sadly 44．A．them B．her C．him 45．A．colorful B．helpful C．beautiful 第二节 （共10小题；每小题1分，满分10分） 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。 Dear Linda, Thanks for your letter. Do you want to know my school days? I am 46 (usual) very busy from Monday to Friday. In the morning, I get up 47 about 6:30. Then I often have two 48 (egg) and some milk for breakfast. After that I go to school. I always take the No. 10 bus to school. At around 7:30, I get to school. The 49 (one) class begins at 8:00. We often have math, science, English and Chinese in the morning. I like math very much. It is difficult 50 useful. I like Thursday afternoon, too. Because we have art and music on Thursday afternoon. I like art. It 51 (be) really interesting. My friend Sue 52 (like) music very much. She thinks it is relaxing and she is good at singing. My favorite day is Friday. Because I have a P. E. class on that day. I like P. E. 53 (good). I think P. E. is 54 (relax). I often play volleyball with 55 (I) friends. I like my P. E. teacher, too. My P. E. teacher is Mr. Hu. He is very nice. He often plays basketball with us. At 5:30 in the afternoon, I go home. I do my homework after dinner. At about 9:30, I go to bed. Yours, Alan 第三节 （共5小题；每小题2分，满分10分） 阅读下面短文，根据短文内容回答问题。 Good morning, boys and girls! Do you know me? My name is Cindy White. I am a student. I go to school from Monday to Friday. At school, I like English because it is very interesting and useful. But I don’t like math. It is difficult. I like Ms. Zhang. Her classes are interesting. And I like sports. At home, I like eggs and apples for breakfast in the morning. I like chicken and milk for dinner. For vegetables, I like carrots and tomatoes. I have a sister. Her name is Jane. She likes nice clothes. She has many nice clothes in her room. She always buy nice clothes in Nice Store with my mom. 56．When does Cindy go to school? 57．Why does Cindy like English? 58．Does Cindy like math? 59．What does Cindy like for breakfast? 60．Where does Jane buy nice clothes? IV．写作（满分15分） 61．学校音乐俱乐部正在招募新成员。请你根据下面表格中的提示信息，用英语给该俱乐部的负责人Mrs Brown写一封电子邮件，向她介绍自己并申请加入该俱乐部。 Name Chen Jiaxuan Age 13 Class Class 4, Grade 7 Why I love music ◆Exciting. ◆My parents are both music lovers. What I can do ◆Sing. ◆Play the violin. ◆Play the guitar. Telephone number 1850633299 要求： （1）邮件中须包括提示中的所有信息，可适当发挥； （2）不少于60词。已给出部分不计入总词数。 Dear Mrs Brown, I’m writing this email to you because I want to ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Yours, Chen Jiaxuan 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 参考答案： 题号 1 2 3 4 5 6 7 8 9 10 答案 C C C B C B C C A B 题号 11 12 13 14 15 16 17 18 19 20 答案 B A B B B A B C A B 题号 21 22 23 24 25 26 27 28 29 30 答案 C A A C B A B C B A 题号 31 32 33 34 35 36 37 38 39 40 答案 B A E C D A B C A B 题号 41 42 43 44 45 答案 A C A C B 1．C 【原文】略 2．C 【原文】略 3．C 【原文】略 4．B 【原文】略 5．C 【原文】略 6．B 7．C 【原文】略 8．C 9．A 【原文】略 10．B 11．B 【原文】略 12．A 13．B 14．B 【原文】略 15．B 16．A 17．B 【原文】略 18．C 19．A 20．B 【原文】略 21．C 22．A 【导语】本文是一篇应用文，主要介绍了Anderson的家庭树。 21．细节理解题。根据图片可知，这是Anderson的家庭树，因此Jacob的姓氏就是Anderson。故选C。 22．细节理解题。根据图片可知，Jacob有一个姐姐Emily。故选A。 23．A 24．C 25．B 26．A 【导语】本文主要介绍了几位学生对劳动课的看法。 23．细节理解题。根据文中第1段“Now Chinese students in middle schools have one labor (劳动) class a week.”可知，现在中国中学生每周有一节劳动课。故选A。 24．代词指代题。根据文中第1段“How do students like the new subject? Let’s have a look.”可知，学生们喜欢这门新课程吗？让我们看一看。根据第三段“I like the new subject. Thanks to it, I can learn a lot. I think it is useful. ”可知，多亏了它，我能学到很多东西。我觉得它很有用。由此可知，it指代的是“课程”。故选C。 25．细节理解题。根据第3段“I like the new subject. Thanks to it, I can learn a lot. I think it is useful.”可知，多亏了它，我能学到很多东西。我觉得它很有用。由此可知，王蒙认为劳动课很有用。所以选项B“王蒙认为做饭没有用。”表述错误。故选B。 26．主旨大意题。根据文中第1段“How do students like the new subject? Let’s have a look.”可知，学生们喜欢这门新课程吗？让我们看一看。由此可知，短文主要介绍了几位学生对劳动课的看法。故选A。 27．B 28．C 29．B 30．A 【导语】本文讲述了一个关于牧羊人的故事，Dara 因为擅长领导而被人们推举为首领，但是有人向国王举报他收钱，国王核实后，确认Dara是一个诚实的人。 27．细节理解题。根据“People see that he is great at leading, so they make him the leader (首领) of their town.”可知，因为他很擅长领导。故选B。 28．细节理解题。根据“They tell lies to the king about Dara, saying he is a thief and that he takes money from people and keeps it in a box on his camel (骆驼).”可知人们告诉国王Dara从人们那收了钱。故选C。 29．词义猜测题。根据“The king is very satisfied to hear that. He makes Dara the leader of another town.”可知国王让他成了另外一个镇的领导，因此划线词是“高兴的”。故选B。 30．推理判断题。通读全文，本文讲述了一个关于牧羊人的故事，Dara 因为擅长领导而被人们推举为首领，但是有人向国王举报他收钱，国王核实后，确认Dara是一个诚实的人，因此文章来自于故事书。故选A。 31．B 32．A 33．E 34．C 35．D 【导语】本文介绍了一些关学校旅行的好处。 31．根据“Do you like school trips? Do you know what you can get from the trips?”可知，此处引出对学校旅行的介绍，选项B“这些是关于学校旅行的一些很棒的事情。”符合语境，故选B。 32．根据“First, school trips are relaxing and they give you a lot of fun.”可知，此处介绍学校旅行是放松的，给你很多乐趣，此处提到学校旅行的趣味性，选项A“它们可以使你的学校生活更有趣。”符合语境，故选A。 33．根据“You can get more about nature (自然) and the outside world (外面的世界). But you can’t get them from your books or in your classes.”可知，你可以更多地了解大自然和外面的世界。但是你不能从书本上或课堂上得到它们。此处提到可以从学校旅行中学到不同于课本的内容，选项E“其次，你可以得到一些不同于你在课堂上得到的东西。”符合语境，故选E。 34．根据“When you go out, you need to think about what clothes to wear (穿) and what you need to take with you.”可知，当你出门的时候，你需要考虑穿什么衣服，带什么东西。此处提到学校旅行可以教你自立、照顾自己，选项C“你们可以知道如何照顾自己。”符合语境，故选C。 35．根据“If you go outside, you may need to work with classmates and help each other. You can make more friends, too.”可知，如果你出去，你可能需要和同学一起工作，互相帮助。你也可以交到更多的朋友。此处提到学校旅行可以教会你合作并交到朋友，选项D“最后，学校旅行可以教会你如何与他人合作。”符合语境，故选D。 36．A 37．B 38．C 39．A 40．B 41．A 42．C 43．A 44．C 45．B 【导语】本主要讲述了作者和叔叔去参加学校旅行的一段经历。从而告诉大家叔叔不仅搞笑，还乐于助人。 36．句意：每年夏天我们都有学校旅行。 school trip学校旅行；music festival音乐节；book sale图书销售。根据“the first day of our trip”可知是指学校旅行，故选A。 37．句意：我的父母很忙，所以他们请鲍勃叔叔和我一起去。 free空闲的；busy繁忙的；cool酷。根据“so they ask Uncle Bob to go with me.”可知父母很忙，才让叔叔和作者一起去，故选B。 38．句意：旅行的第一天，我们去了森林。 At在；From从；On在……上面。根据“the first day of our trip”可知指具体某一天，用介词on，故选C。 39．句意：鲍勃叔叔爬上去接她，但他的脚卡在树上了。 but但是；or或者；and和。前后表转折，故选A。 40．句意：哦，他只是我爸爸的朋友。 always总是；only仅仅；often经常。根据“my father’s friend”可知是指只是我爸爸的朋友，故选B。 41．句意：当五天的旅行结束时，我很高兴，因为我终于可以和我的鲍勃叔叔说再见了。 happy开心的；unhappy不开心的；late迟的。根据前文的描述，可知作者并不想和叔叔一起旅行，因此此处旅行结束，终于可以和鲍勃叔叔说再见了，作者是感到高兴的，故选A。 42．句意：我不得不找人来帮我。 take拿；need需要；help帮助。根据“I have to find someone to”可知是指找人来帮我，故选C。 43．句意：他高兴地说。 happily高兴地；healthily健康地；sadly悲伤地。根据“Then he does a funny dance on the bus.”可知叔叔修好了车，很开心，故选A。 44．句意：我们所有人都喜欢他。 them他们；her她；him他。此处是指喜欢作者的叔叔，因此用him，故选C。 45．句意：一位搞笑的、乐于助人的叔叔。 colorful多彩的；helpful助人的；beautiful美丽的。根据全文对叔叔的描述，可知叔叔不仅搞笑，还乐于助人，故选B。 46．usually 47．at 48．eggs 49．first 50．but 51．is 52．likes 53．best 54．relaxing 55．my 【导语】本文是一篇应用文。文章主要介绍作者一天的活动：起床、吃饭、上学、休息以及在学校所学科目和最喜欢的科目等。 46．句意：从星期一到星期五我通常很忙。根据“I am…very busy”可知，此处应用形容词usual“通常的”的副词形式usually“通常”作状语。故填usually。 47．句意：早上，我大约6:30起床。根据空后“about 6:30”可知，此处是具体时刻，前应用介词at。故填at。 48．句意：然后我经常吃两个鸡蛋和一些牛奶作为早餐。根据空前“two”可知，此处应用名词egg“鸡蛋”的复数形式eggs。故填eggs。 49．句意：第一节课8点开始。根据“The…class”可知，此处应用基数词one“一”的序数词first“第一”来表示顺序。故填first。 50．句意：这很难，但很有用。根据“difficult”和“useful”可知，此处存在转折关系，应用but连接两词。故填but。 51．句意：这真的很有趣。句子时态为一般现在时，主语It为第三人称单数，谓语be应用is。故填is。 52．句意：我的朋友苏非常喜欢音乐。句子时态为一般现在时，主语My friend Sue为第三人称单数，谓语应用like“喜欢”的三单形式likes。故填likes。 53．句意：我最喜欢体育。根据上文“My favorite day is Friday. Because I have a P. E. class on that day.”可知，此处是指最喜欢体育，应用形容词good“好的”的副词well“好”的最高级best“最好地”，修饰动词like，在句中作状语。故填best。 54．句意：我认为体育是放松的。结合“I think P. E. is…”和所给提示词可知，此处是指体育是令人轻松的，应用动词relax“放松”的形容词形式relaxing“令人轻松的”，在句中作表语。故填relaxing。 55．句意：我经常和我的朋友打排球。根据空后名词friends可知，此处应用人称代词I“我”的形容词性物主代词my“我的”作定语，修饰名词friends。故填my。 56．From Monday to Friday. 57．Because it is very interesting and useful. 58．No, she doesn’t. 59．Eggs and apples. 60．In Nice Store. 【导语】本文主要介绍了Cindy White的相关信息。 56．根据“I go to school from Monday to Friday.”可知，她在星期一到星期五去上学。故填From Monday to Friday. 57．根据“At school, I like English because it is very interesting and useful.”可知，她喜欢英语是认为这门学科很有趣和有用。故填Because it is very interesting and useful. 58．根据“But I don’t like math.”可知，她不喜欢数学，因此答案是否定的。故填No, she doesn’t. 59．根据“At home, I like eggs and apples for breakfast in the morning.”可知，她早餐喜欢吃鸡蛋和苹果。故填Eggs and apples. 60．根据“She always buy nice clothes in Nice Store with my mom.”可知，她的妹妹经常在Nice Store买衣服。故填In Nice Store. 61．例文： Dear Mrs Brown, I’m writing this email to you because I want to join the school music club. My name is Chen Jiaxuan. I’m a 13-year-old girl. I’m in Class 4, Grade 7. I love music very much because it’s exciting and my parents are both music lovers. I can sing a lot of songs. I can play the violin very well. And I am very good at playing the guitar. If I can join the school music club, I’ll be very happy. My telephone number is 1850633299. Please call me. Many thanks to you. Yours, Chen Jiaxuan 【详解】[总体分析] ①题材：本文是一封电子邮件； ②时态：时态为“一般现在时”； ③提示：材料所给内容不得遗漏，注意电子邮件格式要求。 [写作步骤] 第一步，借用已给开头，点题说明邮件内容； 第二步，详细介绍自己的基本情况、爱好特长等； 第三步，结尾表达想加入俱乐部的愿望和对负责人的感谢。 [亮点词汇] ①a lot of许多；很多 ②play the violin拉小提琴 ③be good at擅长 [高分句型] ①I love music very much because it’s exciting and my parents are both music lovers. （原因状语从句、并列复合句） ②If I can join the school music club, I’ll be very happy.（条件状语从句） 答案第1页，共2页 答案第1页，共2页 学科网（北京）股份有限公司 $$null