Unit 2 My name单元知识总结及重点易错(专项训练)-2026-2027学年科普版英语三年级上册

**基本信息** 聚焦三年级上册Unit2核心知识，以十大易错考点为纲，通过基础-提升-拓展三级训练体系，系统梳理姓名询问、物主代词等语法点，强化语言运用能力与思维品质。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |十大易错考点|每考点9题（3基础+3提升+3拓展）|考点精析明确语法规则（如物主代词用法、a/an区别）、问答结构及情景应用技巧|从单词短语到句型语法，由基础识别到拓展情景交际，形成“知识梳理-考点突破-综合运用”的递进逻辑|

科普版（三起）三年级上册 Unit 2 My name 单元知识总结及重点易错专项训练 ■ ■ ■ ■ ■ ■ ■ 说明：本练习紧扣最新教材精选 10 个重点易错考点，每个考点含基础题×3、提升题×3、拓展题×3，共 90 题。 📖 第一部分：本单元重点知识梳理 ■ 重点单词（Key Words） 【核心词汇】this（这，这个） is（是） my（我的） your（你的，你们的） name（名字） 【家庭成员】sister（姐，妹） brother（兄，弟） mum（妈妈） dad（爸爸） 【其他名词】afternoon（下午） ball（球） family（家庭） baby（婴儿） 【形容词性物主代词】my（我的） your（你的） his（他的） her（她的） 【其他词汇】what（什么） look（看，看起来） a / an（一个，一） it（它） not（不，没有） thank（感谢） ■ 重点短语（Key Phrases） 1. this is（这是） 2. my name（我的名字） 3. your name（你的名字） 4. his name（他的名字） 5. her name（她的名字） 6. my brother（我的兄弟） 7. my sister（我的姐妹） 8. my ball（我的球） 9. good afternoon（下午好） 10. thank you（谢谢你） 11. nice to meet you（很高兴遇见你） 12. sit down（坐下） 13. stand up（起立） ■ 重点句型（Key Sentences） 1. What's your name? 你叫什么名字？ 2. My name is Tom. 我的名字是汤姆。 3. What's his name? 他的名字是什么？ 4. His name is Ben. 他的名字是本。 5. What's her name? 她的名字是什么？ 6. Her name is Lily. 她的名字是莉莉。 7. This is my brother, Chen Ming. 这是我的弟弟，陈明。 8. This is my sister, Wang Lu. 这是我的姐姐，王露。 9. Good afternoon. 下午好。 10. Nice to meet you. 很高兴遇见你。 11. Nice to meet you, too. 我也很高兴遇见你。 12. Thank you! 谢谢你！ 13. Sit down, please. 请坐。 ■ 重点语法（Key Grammar） 语法点一：询问与回答姓名 ① — What's your name? — My name is + 名字. / I'm + 名字. ② What's = What is 的缩写。 ③ 例：— What's your name? — My name is Ken. / I'm Ken. 语法点二：形容词性物主代词 ① my（我的）+ name → My name is... ② your（你的）+ name → What's your name? ③ his（他的）→ His name is... her（她的）→ Her name is... 语法点三：This is... 介绍他人 ① This is + 人名/称呼. 用于介绍某人。 ② 例：This is my brother, Chen Ming. ③ 例：This is my sister, Wang Lu. 语法点四：Good afternoon 问候语 ① Good afternoon. 用于下午见面时问候。 ② 回答也用 Good afternoon. 语法点五：a 与 an 的用法 ① a 用于辅音音素开头的单词前：a ball, a brother. ② an 用于元音音素开头的单词前：an apple, an egg. ③ 看发音不看字母！ 🎯 第二部分：十大易错考点专项训练 【考点一】What's your name? 的问与答 ▶ 考点精析：What's = What is 的缩写。问名字用 What's your name? 回答用 My name is... 或 I'm...。注意大小写和标点符号。 ◇ 基础题（选择题） （ ）1. — What's your name? — ______ name is Lily. A. My B. Your C. His D. Her （ ）2. — What's ______ name? — My name is Tom. A. you B. your C. I D. my （ ）3. — What's your name? — I ______ Lily. A. is B. am C. are D. be ▷ 提升题（选择题） （ ）1. — What's his name? — ______ name is Ben. A. My B. Your C. His D. Her （ ）2. — What's ______ name? — Her name is Joy. A. he B. she C. his D. her （ ）3. — What's your name, please? — ______ A. My name is Ken. B. His name is Ken. C. Her name is Ken. D. Your name is Ken. ★ 拓展题（选择题） （ ）1. Which is a correct dialogue? A. — What's you name? — My name is Bob. B. — What's your name? — My name is Bob. C. — What's your name? — His name is Bob. D. — What's your name? — Your name is Bob. （ ）2. — What's ______ name? — ______ name is Chen Wei. A. her; Her B. his; His C. your; Your D. my; My （ ）3. Olivia says, “______ name is Olivia. What's ______ name?” A. My; your B. Your; my C. My; my D. Your; your 【考点二】形容词性物主代词 my/your/his/her 辨析 ▶ 考点精析：my（我的）/ your（你的）/ his（他的）/ her（她的）后面必须跟名词。注意根据“人”选择正确代词。 ◇ 基础题（选择题） （ ）1. This is ______ brother, Chen Ming. A. I B. my C. me D. you （ ）2. — Is this ______ ball? — Yes, it is ______ ball. A. you; my B. your; my C. your; your D. my; your （ ）3. Lily is ______ sister. ______ name is Lily. A. I; Her B. my; His C. my; Her D. your; She ▷ 提升题（选择题） （ ）1. — Is that ______ brother? — No, it's ______ cousin. A. you; my B. your; my C. your; his D. my; her （ ）2. Zhang Hao and Chen Wei are good friends. ______ names are Zhang Hao and Chen Wei. A. Their B. They C. Them D. This （ ）3. Bella says, “______ is a student. ______ name is Bella.” A. She; Her B. Her; She C. She; She D. Her; Her ★ 拓展题（选择题） （ ）1. Which sentence is WRONG? A. This is my ball. B. This is her brother. C. This is his sister. D. This is a her ball. （ ）2. Olivia: “______ mum is a teacher. ______ dad is a doctor.” A. My; My B. Her; Her C. His; His D. Your; Your （ ）3. Jam introduces his family: “______ is my brother. ______ name is Zhou Kai.” A. This; His B. This; Her C. That; His D. These; Their 【考点三】This is... 介绍他人 ▶ 考点精析：This is + 人名/称呼. 用于向别人介绍某人。注意 this is 不能缩写。复数用 These are... ◇ 基础题（选择题） （ ）1. — Who's that girl? — ______ is my sister. A. This B. That C. She D. He （ ）2. ______ is my brother, Chen Ming. A. This B. These C. They D. Those （ ）3. ______ are my friends, Lily and Bella. A. This B. That C. These D. It ▷ 提升题（选择题） （ ）1. — Is this your sister? — Yes, ______ is. A. this B. that C. she D. he （ ）2. Chen Wei says to Olivia, “______ is my friend, Jam.” A. This B. She C. They D. Those （ ）3. — Who's he? — ______ is my brother. A. This B. That C. He D. It ★ 拓展题（选择题） （ ）1. Which is correct? A. These is my brother. B. This are my brothers. C. This is my brother. D. That are my brothers. （ ）2. Lily introduces: “______ is my mum, and ______ is my dad.” A. This; this B. She; he C. This; that D. These; those （ ）3. Zhou Kai: “Look! ______ is my ball, and ______ is your ball.” A. this; that B. these; those C. this; this D. that; this 【考点四】Good afternoon 与问候语 ▶ 考点精析：Good afternoon. 用于下午（约12点后到傍晚）见面时问候。回答也用 Good afternoon. 注意 Good 首字母大写。 ◇ 基础题（选择题） （ ）1. — Good afternoon, Lily. — ______, Tom. A. Good morning B. Good afternoon C. Goodbye D. Good night （ ）2. We say “______” when we meet in the afternoon. A. Good morning B. Good afternoon C. Good night D. Goodbye （ ）3. — Good afternoon, class! — ______, teacher! A. Goodbye B. Good afternoon C. Thank you D. Sit down ▷ 提升题（选择题） （ ）1. Which is the correct spelling? A. good Afternoon B. Good afternoon C. good afternoon D. Good Afternoon （ ）2. — Good afternoon, Chen Wei. — Good afternoon, ______. A. Lily B. lily C. Olivia D. Jam （ ）3. Bella meets her teacher at 3:00 pm. She says: “______” A. Good morning! B. Good afternoon! C. Good night! D. Goodbye! ★ 拓展题（选择题） （ ）1. Which is NOT a greeting? A. Good afternoon. B. Good morning. C. Thank you. D. Hi! （ ）2. — Hi, Zhang Hao! — ______, Chen Wei! A. Goodbye B. Hi C. Sit down D. Thank you （ ）3. Olivia: “Good afternoon, everyone!” The class: “______” A. Goodbye, Olivia! B. Sit down, please! C. Good afternoon, Olivia! D. Thank you! 【考点五】a 与 an 的用法 ▶ 考点精析：a 用于辅音音素开头的单词前（如 a ball, a brother）。an 用于元音音素开头的单词前（如 an apple, an egg）。关键看发音不看字母！ ◇ 基础题（选择题） （ ）1. It is ______ ball. A. a B. an C. the D. / （ ）2. It is ______ apple. A. a B. an C. the D. / （ ）3. This is ______ egg. A. a B. an C. the D. / ▷ 提升题（选择题） （ ）1. It is ______ afternoon. A. a B. an C. the D. / （ ）2. This is ______ brother. A. a B. an C. the D. / （ ）3. Which is correct? A. a apple B. an ball C. a egg D. an orange ★ 拓展题（选择题） （ ）1. It is ______ orange ball. A. a B. an C. the D. / （ ）2. Lily has ______ egg and ______ apple. A. a; a B. an; an C. a; an D. an; a （ ）3. Which is WRONG? A. This is an apple. B. This is a ball. C. This is an brother. D. This is an egg. 【考点六】Nice to meet you 与 Thank you ▶ 考点精析：Nice to meet you. 初次见面用语。回答用 Nice to meet you, too. Thank you. 表示感谢。回答用 You're welcome. 或 That's OK. ◇ 基础题（选择题） （ ）1. — Nice to meet you. — ______ A. Thank you. B. Goodbye. C. Nice to meet you, too. D. Sit down, please. （ ）2. — Thank you, Lily! — ______ A. Thank you. B. Nice to meet you. C. You're welcome. D. Good afternoon. （ ）3. — Nice to meet you, Jam. — Nice to meet you, ______. A. two B. too C. to D. TO ▷ 提升题（选择题） （ ）1. — Thank you very much! — ______ A. That's OK. B. Goodbye. C. Sit down. D. This is Lily. （ ）2. Olivia meets Bella for the first time. She says: “______” A. Goodbye, Bella! B. Thank you, Bella! C. Nice to meet you, Bella! D. Sit down, Bella! （ ）3. Which pair is a correct match? A. Nice to meet you. — You're welcome. B. Thank you. — Nice to meet you, too. C. Nice to meet you. — Nice to meet you, too. D. Thank you. — Good afternoon. ★ 拓展题（选择题） （ ）1. Jam says to his new friend, “Nice to meet you!” His friend says: “______” A. Thank you! B. Too nice to meet you! C. Nice to meet you, too! D. You're welcome! （ ）2. Chen Wei helps Lily. Lily says: “______” A. Good afternoon! B. Nice to meet you! C. Thank you, Chen Wei! D. Sit down, please! （ ）3. Which is WRONG? A. Nice to meet you, too. B. Thank your. C. You're welcome. D. That's OK. 【考点七】祈使句 Sit down / Stand up / Look ▶ 考点精析：祈使句以动词原形开头，表示命令、请求或建议。Sit down. 坐下。Stand up. 起立。Look! 看！可用 please 表示礼貌。 ◇ 基础题（选择题） （ ）1. ______ down, please. A. Sit B. Sits C. Sitting D. To sit （ ）2. ______ up, everyone! A. Stand B. Stands C. Standing D. To stand （ ）3. ______! This is my sister. A. Look B. Looks C. Looking D. To look ▷ 提升题（选择题） （ ）1. Please ______ down, Lily. A. sit B. sits C. sitting D. to sit （ ）2. Teacher says: “______, class!” The students stand up. A. Sit down B. Stand up C. Look D. Thank you （ ）3. Which is a polite request? A. Sit down! B. Stand up! C. Sit down, please. D. Look! ★ 拓展题（选择题） （ ）1. Zhou Kai says to his friend: “______! This is my ball.” A. Look B. Sit C. Stand D. Thank （ ）2. Which is NOT an imperative sentence? A. Sit down. B. Stand up. C. Look! D. Thank you. （ ）3. Teacher: “______ up, please. It's time for class.” A. Sit B. Look C. Stand D. Thank 【考点八】not 的否定用法 ▶ 考点精析：not 用于 be 动词（is/am/are）后面表示否定。is not = isn't。It is not = It isn't. 注意 not 的位置。 ◇ 基础题（选择题） （ ）1. It ______ my ball. It is your ball. A. is B. isn't C. not is D. are （ ）2. This ______ my sister. This is my brother. A. is B. isn't C. not is D. are （ ）3. — Is this your name? — No, it ______. A. is B. isn't C. not D. are ▷ 提升题（选择题） （ ）1. It is ______ a ball. It is an apple. A. not B. no C. isn't D. are （ ）2. Which is correct? A. It not is my brother. B. It is not my brother. C. It no is my brother. D. Not it is my brother. （ ）3. Lily: “This is ______ my ball. It is Chen Wei's ball.” A. not B. no C. isn't D. are ★ 拓展题（选择题） （ ）1. Bella says, “It is ______ your brother. It is your cousin.” A. not B. no C. isn't D. are （ ）2. Which means the SAME as 'It isn't my ball.'? A. It is my ball. B. It is not my ball. C. It not is my ball. D. Is it my ball? （ ）3. Jam: “I ______ Lily. My name is Jam.” A. am not B. isn't C. are not D. not am 【考点九】中英文姓名的表达 ▶ 考点精析：中文名字用汉语拼音书写：姓氏在前，名字在后（如 Liu Jiajia）。英文名字：名字在前，姓氏在后（如 Jenny White）。注意大小写。 ◇ 基础题（选择题） （ ）1. How do we write “刘佳佳” in English? A. Jiajia Liu B. Liu Jiajia C. liu jiajia D. Jiajia liu （ ）2. “Jenny White” is an English name. “Jenny” is the ______ name. A. family B. last C. first D. surname （ ）3. How do we write “陈明” in English? A. Chen Ming B. Ming Chen C. chen ming D. Ming chen ▷ 提升题（选择题） （ ）1. “White” in “Jenny White” is the ______ name. A. first B. given C. family D. middle （ ）2. Which is a correct Chinese name in English? A. Wang lu B. wang Lu C. Wang Lu D. wAng lU （ ）3. Olivia's Chinese name is 王露. She writes it as ______. A. wang lu B. Wang Lu C. Wang lu D. wang Lu ★ 拓展题（选择题） （ ）1. Which is an English name? A. Chen Wei B. Zhang Hao C. Jenny White D. Liu Jia （ ）2. “What's your name?” “My name is Zhou Kai.” Zhou Kai is a ______ name. A. English B. Chinese C. Japanese D. French （ ）3. Which is the correct way to write a Chinese name? A. Lily Chen B. Chen lily C. Chen Lily D. chen Lily 【考点十】句型综合运用与情景交际 ▶ 考点精析：综合运用本单元所学句型，在真实情景中选择合适的表达。注意中英文表达习惯的差异。 ◇ 基础题（选择题） （ ）1. You meet a new friend in the afternoon. You say: “______” A. Good morning! B. Good afternoon! C. Good night! D. Goodbye! （ ）2. A new classmate comes. You want to know his name. You ask: “______” A. How are you? B. What's your name? C. Thank you! D. Sit down, please. （ ）3. You want to introduce your brother. You say: “______” A. He is my brother. B. This is my brother. C. Your brother is this. D. My brother is he. ▷ 提升题（选择题） （ ）1. Someone says “Nice to meet you!” You should say: “______” A. Thank you! B. You're welcome. C. Nice to meet you, too! D. Good afternoon! （ ）2. Your teacher says “Sit down, please.” You should: ______ A. Stand up. B. Say “Thank you!” C. Say “Goodbye!” D. Say “Look!” （ ）3. Chen Wei asks Olivia: “What's your name?” Olivia says: “______” A. My name is Olivia. B. Your name is Olivia. C. His name is Olivia. D. Her name is Olivia. ★ 拓展题（选择题） （ ）1. Which dialogue is in the CORRECT order? A. — Good afternoon. — What's your name? B. — What's your name? — Good afternoon. C. — Good afternoon. — Good afternoon. D. — Sit down. — Nice to meet you. （ ）2. You want to thank your friend. You say: “______” A. Nice to meet you! B. Good afternoon! C. Thank you! D. Sit down, please! （ ）3. Bella meets Jam for the first time. Choose the BEST dialogue: A. — Hi! — Bye! B. — Good afternoon! — Thank you! C. — Nice to meet you, Jam. — Nice to meet you, too. D. — Sit down! — Stand up! 📝 参考答案及详细解析 考点1：【考点一】What's your name? 的问与答 【基础题】 基础题 1：A。回答时用自己的名字，用 My name is... 基础题 2：B。问对方名字用 your name。注意大小写 基础题 3：B。I 后面用 am。I am Lily. = My name is Lily. 【提升题】 提升题 1：C。问 his name，回答也用 His name is...。人称要一致 提升题 2：D。问女性用 her name。her 是形容词性物主代词 提升题 3：A。被问到自己的名字，用 My name is... 回答 【拓展题】 拓展题 1：B。A 错：you → your。C 错：问你却答 his。D 错：答 your 拓展题 2：B。两空对应：问男性用 his，回答也用 His 拓展题 3：A。介绍自己用 My name，问对方用 your name 考点2：【考点二】形容词性物主代词 my/your/his/her 辨析 【基础题】 基础题 1：B。brother 前面用形容词性物主代词 my。This is my brother. 基础题 2：B。问对方用 your，回答用 my 基础题 3：C。我的姐妹用 my sister。她的名字用 Her name 【提升题】 提升题 1：B。问对方用 your brother。回答用 my cousin 提升题 2：A。两个人的名字用 Their names。their 是形容词性物主代词 提升题 3：A。第一空主语用 She，第二空修饰 name 用 Her 【拓展题】 拓展题 1：D。不定冠词 a 和物主代词 her 不能同时修饰一个名词 拓展题 2：A。Olivia 介绍自己的家人，都用 My mum / My dad 拓展题 3：A。介绍近处的人用 This is...。兄弟的名字用 His name 考点3：【考点三】This is... 介绍他人 【基础题】 基础题 1：C。问 That girl 用 She is... 回答。sister 是女性 基础题 2：A。介绍一个人用 This is...。These 用于复数 基础题 3：C。Lily and Bella 是两个人，用复数 These are... 【提升题】 提升题 1：C。问 This is your sister 用 she 回答。不用 this 提升题 2：A。介绍某人用 This is my friend... 提升题 3：C。问 Who's he? 回答 He is my brother. 【拓展题】 拓展题 1：C。A：These + is 错。B：This + are 错。D：That + are 错。C 正确 拓展题 2：A。分别介绍用 This is my mum, and this is my dad. 拓展题 3：A。近处用 this，远处用 that。Look! 提示近处 考点4：【考点四】Good afternoon 与问候语 【基础题】 基础题 1：B。回答问候也用 Good afternoon 基础题 2：B。下午见面说 Good afternoon 基础题 3：B。老师下午好，学生也回答 Good afternoon 【提升题】 提升题 1：B。Good 首字母大写，afternoon 小写 提升题 2：B。四个选项都是人名，但只有 Lily 是女性（与语境匹配） 提升题 3：B。下午3点见面说 Good afternoon 【拓展题】 拓展题 1：C。Thank you 是感谢用语，不是问候语。其余都是问候 拓展题 2：B。Hi 的回答也用 Hi 拓展题 3：C。老师问候全班，全班回答 Good afternoon 考点5：【考点五】a 与 an 的用法 【基础题】 基础题 1：A。ball 发音以辅音 /b/ 开头，用 a 基础题 2：B。apple 发音以元音 /æ/ 开头，用 an 基础题 3：B。egg 发音以元音 /e/ 开头，用 an 【提升题】 提升题 1：B。afternoon 发音以元音 /ɑː/ 开头，用 an 提升题 2：A。brother 发音以辅音 /b/ 开头，用 a 提升题 3：D。orange 以元音 /ɔ/ 开头用 an。A/B/C 都错 【拓展题】 拓展题 1：A。orange 以元音开头，但 ball 以辅音 /b/ 开头，用 a ball 拓展题 2：B。egg 和 apple 都以元音开头，用都用 an 拓展题 3：C。brother 以辅音 /b/ 开头，应该用 a brother 考点6：【考点六】Nice to meet you 与 Thank you 【基础题】 基础题 1：C。Nice to meet you 的回答是 Nice to meet you, too. 基础题 2：C。Thank you 的回答用 You're welcome.（不客气） 基础题 3：B。too 表示“也”。同音词：to（介词），two（数字2） 【提升题】 提升题 1：A。That's OK. 或 You're welcome. 都可用于回答感谢 提升题 2：C。初次见面说 Nice to meet you 提升题 3：C。A：Nice to meet you 不回答 You're welcome。B/D 搭配错误。C 正确 【拓展题】 拓展题 1：C。对 Nice to meet you 的回答是 Nice to meet you, too. 拓展题 2：C。别人帮助你时说 Thank you 拓展题 3：B。Thank you 不是 Thank your。your 是物主代词 考点7：【考点七】祈使句 Sit down / Stand up / Look 【基础题】 基础题 1：A。祈使句用动词原形 Sit。Sit down, please. 请坐 基础题 2：A。祈使句用动词原形 Stand。Stand up! 起立！ 基础题 3：A。祈使句用动词原形 Look。Look! 看！ 【提升题】 提升题 1：A。祈使句用动词原形 sit。please 放在句首或句末均可 提升题 2：B。学生站起来说明老师说 Stand up 提升题 3：C。please 使命令更礼貌。Sit down, please. 请坐 【拓展题】 拓展题 1：A。让朋友看某物用 Look! 看！ 拓展题 2：D。Thank you 是感叹句/短语，不是祈使句。其余都是动词原形开头的祈使句 拓展题 3：C。上课时间到了，老师说 Stand up。起立 考点8：【考点八】not 的否定用法 【基础题】 基础题 1：B。后句说 It is your ball，说明不是我的球。用 isn't = is not 基础题 2：B。后句说是 brother，说明不是 sister。用 isn't 基础题 3：B。否定回答用 No, it isn't. = No, it is not. 【提升题】 提升题 1：A。is 后面加 not 构成否定。It is not a ball. 提升题 2：B。否定在 is 后加 not。It is not... = It isn't... 提升题 3：A。is 后面用 not。This is not my ball. = This isn't my ball. 【拓展题】 拓展题 1：A。is 后加 not 表否定。意思是：这不是你兄弟 拓展题 2：B。isn't = is not。两句话意思相同 拓展题 3：A。I 后面用 am。否定：I am not... = I'm not... 考点9：【考点九】中英文姓名的表达 【基础题】 基础题 1：B。中文名字拼音：姓在前，名在后，首字母大写。Liu Jiajia 基础题 2：C。英文名名字在前，Jenny 是 first name（名）。White 是姓 基础题 3：A。中文名字拼音：姓和名首字母大写。Chen Ming 【提升题】 提升题 1：C。英文名中 White 是 family name（姓）。first/given name 是名 提升题 2：C。拼音写法：姓和名的首字母都大写，其余小写。Wang Lu 提升题 3：B。正确拼音：姓和名首字母大写。Wang Lu 【拓展题】 拓展题 1：C。Jenny White 是英文名（名+姓）。其余是中文名拼音 拓展题 2：B。Zhou Kai 是中文名拼音（姓+名），属于 Chinese name 拓展题 3：C。中文名拼音：姓在前首字母大写，名在后首字母大写。Chen Lily 考点10：【考点十】句型综合运用与情景交际 【基础题】 基础题 1：B。下午遇到新朋友说 Good afternoon 基础题 2：B。想知道对方名字用 What's your name? 基础题 3：B。介绍某人用 This is my brother. 【提升题】 提升题 1：C。对 Nice to meet you 的回答是 Nice to meet you, too. 提升题 2：B。老师请你坐下，应回答 Thank you 提升题 3：A。被问名字用 My name is... 回答 【拓展题】 拓展题 1：C。下午见面互相说 Good afternoon。A/B 顺序不合逻辑。D 不相关 拓展题 2：C。表示感谢用 Thank you 拓展题 3：C。初次见面用 Nice to meet you 互相问候，最得体 🌱 单元小结：My name — 学会介绍自己和他人，世界因你而精彩！ 学科网（北京）股份有限公司 $