期末总复习高频专题训练：补全对话---2025-2026学年外研版八年级英语上册

2025-2026学年八年级英语上册期末总复习高频 专题训练：补全对话(外研版) 姓名：___________班级：___________考号：___________ 阅读下面的对话，根据上下文，从下面选择恰当的选项补全对话，使句意完整、符合逻辑。 (其中有两项为多余选项) (Alice is visiting Mike. A is for Alice. B is for Mike.) A: Hello, Mike! 1 B: I’m doing an online test. It can tell me if I’m an I-person or an E-person. A: An I-person or an E-person? 2 B: Well, I-persons usually enjoy spending time alone. They are a little shy. A: I see. 3 B: Exactly. E-persons enjoy being around people. And they are often outgoing. A: Sounds interesting! 4 B: I think it can help me understand myself better, but I don’t take it too seriously. A: I see. I can’t wait to try this test. B: OK. Let me show you how to do it. A: 5 Look forward to finding out more about myself and take action to be a better me. A．What do they mean? B．Thank you very much. C．What are you doing? D．Hope you can understand yourself better. E．I have heard of it. F．What do you think of the result of the test? G．So E-persons must be the opposite (相反的). A: Hey, Jason. What are you reading? B: Martin Morning. It’s fantastic. 6 A: No, I haven’t. Is it interesting? B: Yes. 7 A: What does Martin do? B: 8 Each morning when he wakes up (醒来), he’ll change into something or somebody different, such as an artist, a monkey, a toy and so on. A: Why do you like the story? B: Because it is meaningful. Martin never gives up no matter what happens and his friends support him forever. 9 A: Sounds great! 10 B: Of course not. Here you are. A．I have read it five times so far. B．Do you mind if I borrow your book? C．What’s your favourite book? D．He is a nine-year-old schoolboy. E．Have you ever read the book? F．How many books written by Martin do you have? G．It also tells us the importance of friendship and love. A: Hi, Sam. Where do you live? B: I live in Nanning. A: 11 B: Yes, I do. It’s a lovely place. A: 12 B: Well, I love it because I love the weather here. A: What’s the weather like in Nanning? B: 13 Of course, sometimes it’s cloudy and rainy. A: What do you usually do on sunny days? B: I usually go climbing. 14 A: Sounds great! I like climbing, too. 15 B: Well, when the weather is bad, I usually watch TV at home. A: Thank you, Sam. B: My pleasure! Welcome to Nanning. A．What do you do when the weather is bad? B．Why do you like the city? C．Do you like Nanning? D．Sounds great! E．I live near the hills. F．It’s sunny most of the time. Lin Dong: I can’t believe we didn’t finish our group project on time. Lu Yao: 16 (表达遗憾) Why didn’t it go smoothly? Lin Dong: I think 17 (用because翻译句子：我们失败是因为一些成员独自工作并且不与他人合作。) Lu Yao: Oh right! I noticed that too—I needed help, but no one offered. Lin Dong: 18 (根据回答提一个问题) Lu Yao: Maybe we can remind them that helping teammates grow matters as much as finishing their own tasks. Lin Dong: 19 (表达赞同) 20 (用cooperation翻译句子：让我们确保每个人都知道合作是关键。) Lu Yao: Yeah! If we do that, our next project will definitely be better. 根据对话内容，从下面选择恰当的句子将对话补充完整。(选项中有两项是多余的) A: Hi, Lisa! 21 B: I’m reading a book about inventions in the world. A: Sounds interesting. 22 B: It’s hard to say. In my opinion, the greatest invention is a computer. A: Why do you think so? B: Well, because it has changed the world and people’s life. And it brings us much fun. A: 23 I am also interested in computers. I want to be a computer programmer in the future. B: Really? 24 A: I am going to study math hard and get into a good university. B: 25 A: Thank you. A．How are you going to achieve your dream? B．What do you think is the most important invention? C．That’s true. D．Why do you like it? E．What are you doing? F．I believe you can make it. G．I can’t believe it. 根据对话内容，从下面选出恰当的句子补全对话，有一个选项是多余的。 A: Hi, Lisa! What are you doing? B: I am reading a book about inventions in the world. A: Sounds great. 26 B: Emm ... In my opinion, the most useful invention is the computer. A: 27 B: Well, because it has changed the world and people’s lifestyle. A: 28 I am also interested in computers. And I want to be a programmer in the future. B: Cool! 29 A: I plan to study hard and enter a university. B: 30 A: Thank you. A．I agree with you. B．Why do you think so? C．I’m sorry to hear that. D．I believe you can make it. E．What is the most useful one? F．What’s your plan for your dream? 根据对话内容，从下面选出恰当的句子补全对话，有一个选项是多余的。 A: Hello, Nick. B: Hi, Dora. A: 31 B: I’m watching a TV show about a special robot. A: Wow. Can you tell me more about it? B: 32 It’s a robot designed to look and act like humans. A: That sounds cool! 33 B: It can do many things, such as listening to our thoughts and giving us advice. A: Just like a real friend? B: 34 We can always get help from it. A: Amazing. 35 B: Me too. A．No problem. B．You’re right! C．What can it do? D．I’d love to have one. E．What are you doing? F．It cost me an arm and a leg. (Li Ming is talking with an exchange student Susan. A is for Li Ming. B is for Susan. ) A: Hi, Susan. Have you thought about your future dreams? 36 B: That’s wonderful! I dream of becoming a computer programmer. A: Great! 37 B: We can start by studying hard and getting good grades in Science and Maths. A: Yes, that’s important. I also think we should read books about famous scientists and learn from their experiences. B: 38 We can also join in science and computer competitions to improve our skills. A: I agree. It’s important to practise and never give up, even when things get hard. B: Exactly! We should also try to study at universities that offer programs in science and computer programming. A: That sounds like a good plan. 39 B: Yes! With hard work and a strong heart, we can achieve our goals. A: I believe in us. 40 B: Together, we can reach for the stars and turn our dreams into reality. A．That’s a great idea! B．That’s a bit difficult. C．How can we achieve our dreams? D．I want to be a scientist like Tu Youyou. E．To be a sportsman is always my dream. F．Let’s support each other on the way to success. G．We can work hard and stay encouraged to make our dreams come true. 从方框中选择合适的句子补全对话（有两项多余）。 A: Hi, Lily! I heard you won first prize in the school English speech contest. Congratulations! B: Thank you, Tom. I didn’t expect to win. A: 41 You’ve been practicing so hard after school every day. B: Well, I did spend a lot of time preparing. At first, I was nervous about speaking in front of the whole school. A: 42 I get nervous before big presentations too. B: I watched online videos of speech contests to learn how to express myself better. I also asked my English teacher for advice on tone and body language. A: 43 It sounds like you tried many strategies. B: Yes, many times. I even stayed up late practicing pronunciation—some words were really tricky. A: 44 B: The biggest challenge was remembering the whole speech. I wrote down key points on index cards and reviewed them every morning before school. A: That’s smart. 45 I have a class presentation next month, and I’m worried about it. B: Sure. I’d be happy to share my notes and even practice with you if you want. A．Did you run into any difficulties while preparing? B．What was the hardest part for you? C．Your hard work definitely paid off. D．How did you overcome your nervousness? E．Can you give me some tips for my presentation? F．I’m surprised you won without any practice. G．Why didn’t you ask for help from the teacher? 阅读下面对话，从下面7个选项中选出5个恰当的句子完成此对话，并把答题卡上对应题目的答案标号涂黑。 A: Hi, Wang Tao! This is my first week here. Could you tell me something about our school? B: Sure! I think our school is great. 46 A: That sounds nice. What about the school rules? Are they strict? B: Well, we have some rules. 47 And we can’t run in the hallways. A: Do you think those rules are good for us? B: Yes, I do. 48 For example, wearing uniforms helps us focus on studies, not clothes. A: I see. What subjects do we have here? B: Many interesting ones! 49 And my favorite is P. E. We play basketball every Friday. A: Wow, I like P. E. too. 50 B: Of course! Let’s play together next time. A．We must wear school uniforms on weekdays. B．They help keep the school safe and tidy and help us learn better. C．It has a big playground and a beautiful library. D．Can I join in your basketball game? E．We have Chinese, math, English and science. F．Do you like your new school? G．I often read books in the library after class. 根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。 A: Have you heard about the fire in our town yesterday? B: No. 51 ? A: It happened in an apartment near our school. B: 52 ? A: Yes. About fifteen people were hurt. Now they are still in hospital. B: 53 . That’s terrible. How did the fire start? A: The news said that the fire started in a bedroom because someone forgot to unplug the charger (充电器). B: What a painful (痛苦的) lesson to learn! We should always take fire safety seriously. A: You are right. 54 ? B: I think we should cover our noses and run out of the door first if time is enough. A: Thank you for telling me so much. B: 55 . 选择最佳选项完成对话 (有多余项) (A reporter is asking Bert some questions about the earthquake last  month.) A: Bert, do you remember the earthquake last month? B: Of course. 56 A: What were you doing at that time? B: I was doing some shopping in a shopping centre. A: 57 B: I tried my best to run out to the street. 58 A: But you know, it’s dangerous to run during the earthquake. B: 59 But I know little about how to protect myself in an earthquake. A: You should read some information about that online. 60 B: Very afraid. A: Well, Bert, thanks for talking with me. B: My pleasure. A．Yes, I see. B．I will never forget it. C．Then what did you do? D．Did you shout for help? E．Many other people were also running quickly. F．I think we should learn more about earthquakes. G．By the way, how did you feel when you found yourself in danger? 第1页，共3页 第1页，共3页 学科网（北京）股份有限公司 《期末总复习高频专题训练：补全对话---2025-2026学年八年级 英语上册外研版》参考答案 1．C 2．A 3．G 4．F 5．B 【导语】本文是Alice和Mike的对话，围绕一个测试“我是I型人还是E型人”展开，介绍了两种类型的特点及测试的意义。 1．根据下文B的回答“I’m doing an online test.”可知，A是在询问B“你正在做什么”。C选项“你在做什么？”符合语境。故选C。 2．根据下文B对“I-persons”的解释，可知A是在询问“I-person和E-person是什么意思”。A选项 “它们是什么意思?”符合语境。故选A。 3．根据下文B的回应“Exactly. E-persons enjoy being around people…”可知，A是在推测“E型人是相反的类型”。G选项“所以E人肯定是相反的类型。”符合语境。故选G。 4．根据下文B的回答“I think it can help me understand myself better…” 可知，A是在询问B“你觉得测试结果怎么样”。F选项“你觉得测试的结果怎么样？”符合语境。故选F。 5．根据上文B说“Let me show you how to do it.”，可知A应表示感谢。B选项 “非常感谢。” 符合语境。故选B。 6．E 7．A 8．D 9．G 10．B 【导语】本文是A和B关于谈论Martin Morning这本书的一则对话。 6．根据“No, I haven’t.”可知，此处是一个以have开头的一般疑问句。选项E“你读过这本书吗？”符合语境。故选E。 7．根据“Yes.”可知，此处是对这本书的肯定评价。选项A“到目前为止我已经读了五遍了。”符合语境。故选A。 8．根据“What does Martin do?”可知，此处是对Martin身份的介绍。选项D“他是一个九岁的小学生。”符合语境。故选D。 9．根据“Because it is meaningful. Martin never gives up no matter what happens and his friends support him forever.”可知，此处是对喜欢这本书原因的进一步解释。选项G“它还告诉我们友谊和爱的重要性。”符合语境。故选G。 10．根据“Of course not. Here you are.”可知，此处应询问对方能否借书。选项B“你介意我借你的书吗？”符合语境。故选B。 11．C 12．B 13．F 14．E 15．A 【导语】本文是一段对话，A询问Sam在南宁的生活情况，包括是否喜欢南宁、喜欢的原因、当地天气，以及晴好和恶劣天气时的日常活动，Sam一一作答并欢迎A来南宁。 11．根据答语“Yes, I do. It’s a lovely place.”可知，此处是一般疑问句询问是否喜欢南宁，选项C“Do you like Nanning?”符合语境。故选C。 12．根据答语“Well, I love it because I love the weather here.”可知，此处是询问喜欢这座城市的原因，选项B“Why do you like the city?”符合语境。故选B。 13．根据问句“What’s the weather like in Nanning?”及后句“Of course, sometimes it’s cloudy and rainy.”可知，此处是描述南宁的天气状况，选项F“It’s sunny most of the time.”符合语境。故选F。 14．根据前句“I usually go climbing.”可知，此处是补充说明适合爬山的原因，选项E“I live near the hills.”符合语境。故选E。 15．根据答语“Well, when the weather is bad, I usually watch TV at home.”可知，此处是询问天气不好时会做什么，选项A“What do you do when the weather is bad?”符合语境。故选A。 16．What a pity!/It’s a shame! 17．we failed because some members worked alone and didn’t cooperate with others. 18．What can we do about it? 19．That’s a good idea!/I agree! 20．Let’s make sure everyone knows cooperation is key. 【导语】本文是一段对话，主要围绕小组项目未按时完成展开，两人分析了失败原因并讨论了改进措施。 16．根据上文“I can’t believe we didn’t finish our group project on time.”以及表达遗憾的题目要求可知，此处应表达对小组项目未按时完成这件事的遗憾。可以用“What a pity!”或“It’s a shame!”来表达这种遗憾的情感。故填What a pity!/It’s a shame! 17．根据题目要求，需要用“because”来翻译句子，表示我们失败的原因是一些成员独自工作并且不与他人合作。because引导原因状语从句，表示“因为”，some members表示“一些成员”，work alone表示“独自工作”，and表示并列，not cooperate with others表示“不与他人合作”，主句主语是we，谓语动词用fail，且句子描述的是过去的事情，所以用一般过去时，fail的过去式是failed。故填we failed because some members worked alone and didn’t cooperate with others. 18．根据答语“Maybe we can remind them that helping teammates grow matters as much as finishing their own tasks.”可知，此处是在询问应该怎么做才能让团队成员更好地合作，即询问建议。故填What can we do about it? 19．根据上文“Maybe we can remind them that helping teammates grow matters as much as finishing their own tasks.”以及题目要求可知，此处应表达对Lu Yao提出的建议的赞同。可以用“That’s a good idea!”或“I agree!”来表达赞同。故填That’s a good idea!/I agree! 20．根据题目要求，需要用“cooperation”来翻译句子，表示让我们确保每个人都知道合作是关键。cooperation表示“合作”，是名词，在句子中作主语，is是系动词，key表示“关键”，make sure表示“确保”，后面接宾语从句，everyone表示“每个人”，knows表示“知道”，从句不缺少成分，所以可用省略引导词的宾语从句。且句子是祈使句，以动词原形开头。故填Let’s make sure everyone knows cooperation is key. 21．E 22．B 23．C 24．A 25．F 【导语】本文是一则对话，主要内容为两个人在谈论世界上伟大的发明以及未来的梦想。 21．根据“I’m reading a book about inventions in the world.”可知，此处询问对方正在做什么。选项E“你正在做什么？”符合语境。故选E。 22．根据“It’s hard to say. In my opinion, the greatest invention is a computer.”可知，此处询问对方认为最重要的发明是什么。选项B“你认为最重要的发明是什么？”符合语境。故选B。 23．根据“Well, because it has changed the world and people’s life. And it brings us much fun.”以及“I am also interested in computers.”可知，此处表示赞同对方关于电脑的观点。选项C“确实如此。”符合语境。故选C。 24．根据“I am going to study math hard and get into a good university.”可知，此处询问对方如何实现成为电脑程序员的梦想。选项A“你打算如何实现你的梦想？”符合语境。故选A。 25．根据“Thank you.”可知，此处是对方给予了鼓励或祝福，所以表示感谢。选项F“我相信你能做到。”符合语境。故选F。 26．E 27．B 28．A 29．F 30．D 【导语】本文是A和Lisa之间的一段对话，他们围绕世界上的发明展开交流，A询问了Lisa认为最有用的发明及原因，还分享了自己对电脑的兴趣、未来想成为程序员的梦想以及实现梦想的计划，Lisa也给予了鼓励。 26．根据下文Lisa的回答“Emm ... In my opinion, the most useful invention is the computer.”，可知此处A是在询问Lisa认为最有用的发明是什么，选项E“最有用的发明是什么？”符合语境。故选E。 27．根据下文Lisa的回答“Well, because it has changed the world and people’s lifestyle.”，可判断此处A是在询问Lisa认为电脑是最有用发明的原因，选项B“你为什么这么认为？”符合语境。故选B。 28．根据下文A的表述“I am also interested in computers.”，他们都认可电脑的价值，选项A“我同意你的观点。”符合语境。故选A。 29．根据下文A的回答“I plan to study hard and enter a university.”，此处Lisa是在询问A为梦想制定的计划，选项F“你为梦想制定了什么计划？”符合语境。故选F。 30．根据上文A分享了自己的梦想和计划，以及下文A的回应“Thank you.”，可推测此处Lisa是在对A表示鼓励，选项D“我相信你能做到。”符合语境。故选D。 31．E 32．A 33．C 34．B 35．D 【导语】本文通过Dora与Nick关于一款仿人机器人的交谈，介绍了机器人的功能与特点，并表达了他们对未来科技的向往与喜爱。 31．根据“I’m watching a TV show about a special robot.”可知，这里应询问对方正在做的事，选项E“你在做什么？”符合情景，承接前文打招呼，开始对当前活动的询问，故选E。 32．根据“Can you tell me more about it?”可知，这里应回应对方的请求，选项A“没问题。”符合情景，承接前文询问，开始对机器人的介绍，故选A。 33．根据“It can do many things, such as listening to our thoughts and giving us advice.”可知，这里应询问机器人的功能，选项C“它能做什么？”符合情景，呼应后文对功能的描述，故选C。 34．根据“Just like a real friend?”和“We can always get help from it.”可知，这里应认可对方的说法，选项B“你说得对！”符合情景，承接前文“像真朋友”的疑问，确认机器人的帮助属性，故选B。 35．根据“Me too.”可知，这里应表达想要拥有机器人的愿望，选项D“我也想要一个。”符合情景，承接前文对机器人的赞叹，表达共同愿望，故选D。 36．D 37．C 38．A 39．G 40．F 【导语】本文是一则对话，Li Ming和交换生Susan讨论各自的未来梦想及实现梦想的方式。 36．根据“Have you thought about your future dreams?”和“That’s wonderful! I dream of becoming a computer programmer.”可知，此处是Li Ming介绍自己的梦想，选项D“我想成为像屠呦呦一样的科学家。”符合语境。故选D。 37．根据“We can start by studying hard and getting good grades in Science and Maths.”可知，此处询问方式或方法，选项C“我们怎样才能实现我们的梦想？”符合语境。故选C。 38．根据“I also think we should read books about famous scientists and learn from their experiences.”和“We can also join in science and computer competitions to improve our skills.”可知，此处是Li Ming评价Susan的建议或想法，选项A“那是个好主意！”符合语境。故选A。 39．根据“That sounds like a good plan.”和“Yes! With hard work and a strong heart, we can achieve our goals.”可知，此处是Li Ming总结实现梦想的条件，选项G“我们可以努力学习，保持乐观，让我们的梦想成真。”符合语境。故选G。 40．根据“Together, we can reach for the stars and turn our dreams into reality.”可知，此处强调互相支持，选项F“让我们在成功的道路上相互支持。”符合语境。故选F。 41．C 42．D 43．A 44．B 45．E 【导语】本文是Tom和Lily之间的对话。Tom祝贺Lily在英语演讲比赛中获奖，并询问她准备的过程、遇到的困难以及克服紧张的方法。Lily分享了自己的练习方法和经验，并答应帮助Tom准备他的课堂展示。 41．根据上文“I didn’t expect to win.”以及下文“You’ve been practicing so hard after school every day.”可知，B没想到自己会赢，而A知道B每天放学后都在努力练习，所以此处A应该是对B的努力和成功表示肯定。选项C“你的努力肯定得到了回报。”符合语境。故选C。 42．根据上文“At first, I was nervous about speaking in front of the whole school.”以及下文“I get nervous before big presentations too.”可知，B一开始在全校师生面前演讲很紧张，A表示自己在大展示前也会紧张，由此推知，此处A应该是询问B如何克服紧张情绪的。选项D“你是如何克服紧张情绪的？”符合语境。故选D。 43．根据下文“It sounds like you tried many strategies.”以及“Yes, many times. I even stayed up late practicing pronunciation—some words were really tricky.”可知，B尝试了很多策略，甚至熬夜练习发音，由此推知，此处A应该是询问B在准备过程中是否遇到了困难。选项A“你在准备过程中遇到什么困难了吗？”符合语境。故选A。 44．根据下文“The biggest challenge was remembering the whole speech.”可知，B最大的挑战是记住整个演讲，由此推知，此处A应该是询问B最难的部分是什么。选项B“对你来说最难的部分是什么？”符合语境。故选B。 45．根据下文“Sure. I’d be happy to share my notes and even practice with you if you want.”可知，B很乐意分享笔记，甚至可以和A一起练习，由此推知，此处A应该是向B寻求一些建议或帮助。选项E“你能给我的展示提些建议吗？”符合语境。故选E。 46．C 47．A 48．B 49．E 50．D 【导语】本文是一段对话，对话主要围绕一位新同学向另一位同学询问学校情况展开。 46．根据“A: Could you tell me something about our school? B: Sure! I think our school is great.”可知，B需要具体描述学校的优点来回应A对学校情况的询问，选项C“它有一个大操场和一个漂亮的图书馆”符合语境。故选C。 47．根据“A: What about the school rules? Are they strict? B: Well, we have some rules. And we can’t run in the hallways.”可知，B需补充一项具体的学校规则，与“不能在走廊跑”并列说明校规内容，选项A“我们工作日必须穿校服”符合语境。故选A。 48．根据“A: Do you think those rules are good for us? B: Yes, I do. For example, wearing uniforms helps us focus on studies, not clothes.”可知，B需要阐述校规带来的整体益处，以支撑“校规对我们有好处”的观点，选项B“它们有助于保持学校安全整洁，还能帮助我们更好地学习”符合语境。故选B。 49．根据“A: What subjects do we have here? B: Many interesting ones! And my favorite is P. E.”可知，B需列举具体的学科名称来回应A对课程的询问，选项E“我们有语文、数学、英语和科学”符合语境。故选E。 50．根据“B: We play basketball every Friday. A: Wow, I like P. E. too. B: Of course! Let’s play together next time.”可知，A应是表达想参与篮球活动的意愿，才能引出B“一起打篮球”的回应，选项D“我能加入你们的篮球赛吗”符合语境。故选D。 51．Where did it happen 52．Was anyone hurt/Did anyone get hurt 53．I’m sorry to hear that 54．What should we do to protect ourselves from the fire/How can we protect ourselves from the fire 55．You’re welcome 【导语】本文是关于城镇火灾的对话，交流了火灾发生的地点、伤亡情况、起火原因及火灾逃生知识。 51．根据答语“It happened in an apartment near our school.”可知，此处是询问火灾发生的地点。故填Where did it happen? 52．根据答语“Yes. About fifteen people were hurt.”可知，此处是询问是否有人在火灾中受伤。故填Was anyone hurt?/Did anyone get hurt? 53．根据前文“About fifteen people were hurt. Now they’re still in hospital.”及后 “That’s terrible.”可知，此处是对受伤情况的感慨。故填I’m sorry to hear that. 54．根据答语“I think we should cover our noses and run out of the door first if time is enough.”可知，此处是询问火灾发生时应该怎么做。故填What should we do to protect ourselves from the fire?/How can we protect ourselves from the fire? 55．根据上文“Thank you for telling me so much.”可知，此处是对感谢的回应。故填You’re welcome. 56．B 57．C 58．E 59．A 60．G 【导语】本文是伯特接受记者采访时的所问所答，问题和上个月的地震有关。 56．根据“do you remember the earthquake last month?”和“Of course”可知，空处应是说“记得”，B项“我永远不会忘记。”符合语境，故选B。 57．根据“I was doing some shopping in a shopping centre.”和“I tried my best to run out to the street.”可知，B说当时在购物中心购物，A接下来应询问后续行动。C项“然后你做了什么？”符合语境，故选C。 58．根据“I tried my best to run out to the street.”和“But you know, it’s dangerous to run during the earthquake.”可知，空处应是补充当时场景，且讲到了一种危险的情况，E项“其他许多人也在飞快地跑着。”符合语境 ，故选E。 59．根据“But you know, it’s dangerous to run during the earthquake.”和“But I know little about how to protect myself in an earthquake.”可知，A指出跑很危险，B应先承认这一点，再转折说缺乏知识，A项“是的，我知道。”符合语境，故选A。 60．根据“Very afraid.”可知，空处应是询问对方当时的感受，G项“顺便问一下，当你发现自己处于危险中时，你是什么感觉？”符合语境，故选G。 第1页，共2页 第1页，共2页 学科网（北京）股份有限公司 $