Unit 2 I am a student重点知识点 · 易错（专项训练）-2026-2027学年接力版英语三年级上册

**基本信息** 本专项聚焦Unit 2身份介绍核心，以10大考点为框架，通过基础+提升题分层训练，系统提炼be动词搭配、代词用法等解题方法，构建从词汇到综合运用的知识逻辑链，助力语言能力与思维品质提升。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |身份与职业词汇|基础+提升题（单选/填空/改错）|词汇辨析与拼写规则|从核心词汇积累到语境应用| |重点句型|基础+提升题（翻译/选择/改错）|句型结构与应答规范|从简单句到对话应用| |be动词搭配|基础+提升题（单选/填空/改错）|人称与be动词匹配法则|语法规则到错误修正| |代词|基础+提升题（选择/填空/改错）|人称代词与物主代词用法|代词分类到语境辨析| |综合运用|基础+提升题（单选/排序/情景选择）|自我介绍与身份确认策略|单一知识点到语用综合|

最新接力版 三年级上册Unit 2 I am a student. 重点知识点 · 易错专项练习 【Unit 2 重点单词与短语一览】 ◇ ★ 重点身份与职业词汇： I 我　you 你　he 他　she 她　we 我们　they 他们 am 是　is 是　are 是　yes 是　no 不　not 不 student 学生　pupil 小学生　teacher 老师 boy 男孩　girl 女孩　man 男人　woman 女人 doctor 医生　nurse 护士　driver 司机　worker 工人 my 我的　your 你的　his 他的　her 她的 name 名字　what 什么　who 谁 ◇ ★ 重点短语/句型： I am a student. 我是学生。 You are a teacher. 你是老师。 He is a boy. / She is a girl. We are friends. / They are pupils. Are you a student? — Yes, I am. / No, I'm not. Who is he/she? — He/She is my father/mother… What is your/his/her name? — My/His/Her name is … This is … 这是…… Nice to meet you. / Nice to meet you, too. ◇ ★ 核心语法要点： ① 重点词汇：I/you/he/she/we/they/am/is/are/student/pupil/teacher/boy/girl/man/woman/doctor/nurse/driver/worker/yes/no/not/my/your/his/her/name/what/who ② 重点句型：I am a.../You are a.../He is a.../She is a.../We are.../They are.../Are you...?—Yes,I am./No,I'm not./Who is he/she?/He/She is.../What is your/his/her name?—My/His/Her name is... ③ be动词与人称搭配（I am/you are/he is/she is/we are/they are） ④ 一般疑问句及简略回答（Are you...? Yes,I am./No,I'm not.） ⑤ 人称代词主格（I/you/he/she/we/they） ⑥ 形容词性物主代词（my/your/his/her） ⑦ 特殊疑问句（Who is he/she? / What is your/his/her name?） ⑧ 职业/身份名词（student/teacher/pupil/doctor/nurse/driver/worker） ⑨ 介绍用语（This is... / I'm...） ⑩ 单元综合运用：自我介绍/确认身份/询问姓名与身份（单选/填空/适当形式/改错/排序） 【单元重点易错专项练习】 考点一：重点身份与职业词汇——I/you/he/she/we/they/am/is/are/student/pupil/teacher/boy/girl/man/woman/doctor/nurse/driver/worker/yes/no/not/my/your/his/her/name/what/who ▷ 基础题： 1. ( ) "学生" 的英文是： A. teacher B. student C. worker D. doctor 2. Fill in: I am a ____ (pupil). ▷ 提升题： 1. ( ) Which means "护士"？ A. doctor B. nurse C. driver D. worker 2. 改错：He is a teaches. 错误：__________ 改正：__________ 考点二：重点句型——I am a... / You are a... / He is a... / She is a... / We are... / They are... / Are you...?—Yes,I am./No,I'm not. / Who is he/she? / What is your/his/her name? ▷ 基础题： 1. ( ) "我是小学生" 译为： A. I am a pupil. B. I am a teacher. C. I am a doctor. D. I am a worker. 2. Fill in: ____ (He) is a boy. ▷ 提升题： 1. ( ) Which is correct response to "Are you a student?"? A. Yes, I am. B. Yes, I'm. C. No, I am. D. I'm fine. 2. 改错：She are a teacher. 错误：__________ 改正：__________ 考点三：be动词与人称搭配（I am / you are / he is / she is / we are / they are） ▷ 基础题： 1. ( ) "他是司机" 译为： A. He am a driver. B. He is a driver. C. He are a driver. D. He be a driver. 2. Fill in: We ____ (are) good friends. ▷ 提升题： 1. ( ) Which is correct? A. They is doctors. B. They are doctors. C. They am doctors. D. They be doctors. 2. 改错：I is from Kunming. 错误：__________ 改正：__________ 考点四：一般疑问句及简略回答（Are you...? Yes,I am. / No,I'm not.） ▷ 基础题： 1. ( ) 询问"你是工人吗？"应说： A. Do you a worker? B. Are you a worker? C. Is you a worker? D. You are a worker? 2. Fill in: — Are you Lily? — Yes, I ____ (am). ▷ 提升题： 1. ( ) Which is a correct short answer? A. Yes, I'm. B. Yes, I am. C. No, I am. D. No, I be not. 2. 改错：— Are you a pupil? — Yes, I'm. 错误：__________ 改正：__________ 考点五：人称代词主格（I / you / he / she / we / they） ▷ 基础题： 1. ( ) "他" 和 "她" 的英文是： A. he / she B. I / you C. we / they D. his / her 2. Fill in: ____ (They) are in the classroom. ▷ 提升题： 1. ( ) Which is correct? A. Her is a girl. B. She is a girl. C. Him is a boy. D. He am a boy. 2. 改错：She and me are students. 错误：__________ 改正：__________ 考点六：形容词性物主代词（my / your / his / her） ▷ 基础题： 1. ( ) "你的名字" 译为： A. my name B. your name C. his name D. her name 2. Fill in: This is ____ (my) bag. ▷ 提升题： 1. ( ) Which is correct? A. This is he book. B. This is him book. C. This is his book. D. This is he's book. 2. 改错：That is you pen. 错误：__________ 改正：__________ 考点七：特殊疑问句（Who is he/she? / What is your/his/her name?） ▷ 基础题： 1. ( ) 询问"他是谁"应问： A. What is he? B. Where is he? C. Who is he? D. How is he? 2. Fill in: ____ (What) is your name? ▷ 提升题： 1. ( ) Which is correct? A. What is he name? B. What is his name? C. How is his name? D. Who is his name? 2. 改错：Who is she name? 错误：__________ 改正：__________ 考点八：职业/身份名词（student/teacher/pupil/doctor/nurse/driver/worker） ▷ 基础题： 1. ( ) "男老师" 可以说： A. a man teacher B. a boy teacher C. a woman teacher D. a girl teacher 2. Fill in: My mother is a ____ (nurse). ▷ 提升题： 1. ( ) Which is NOT a job? A. doctor B. driver C. pupil D. worker 2. 改错：My father is a drive. 错误：__________ 改正：__________ 考点九：介绍用语（This is ... / I'm ... / I am a ...） ▷ 基础题： 1. ( ) 向别人介绍自己应说： A. I am Bella. B. You are Bella. C. He is Bella. D. This is Bella. 2. Fill in: This ____ (is) my teacher, Mr. Wang. ▷ 提升题： 1. ( ) 介绍旁边的人应说： A. I am Miss Li. B. This is Miss Li. C. He am Miss Li. D. You is Miss Li. 2. 改错：This's my friend, Chen Wei. 错误：__________ 改正：__________ 考点十：单元综合运用——自我介绍/确认身份/询问姓名与身份（单选/填空/适当形式/改错/排序） ▷ 基础题： 1. ( ) 正确的自我介绍是： A. Hello! I'm Zhang Hao. B. I am a student. C. What's your name? D. Both A and B 2. Fill in: — Who is he? — ____ (He) is my brother. ▷ 提升题： 1. ( ) Read and put in order: ① Hello, I'm Jam. ② What's your name? ③ My name is Bella. ④ Are you a student? ⑤ Yes, I am. A. ①②③④⑤ B. ①③②④⑤ C. ②①③④⑤ D. ④⑤①②③ 2. 情景选择：确认对方是否是老师应说： A. Are you a teacher? B. Who are you? C. What is your name? D. I am a teacher. 【参考答案与详细解析】 ■ 考点一：重点身份与职业词汇——I/you/he/she/we/they/am/is/are/student/pupil/teacher/boy/girl/man/woman/doctor/nurse/driver/worker/yes/no/not/my/your/his/her/name/what/who 基础题： 1. 答案：B 解析：student 学生 2. 答案：pupil 解析：pupil 小学生 提升题： 1. 答案：B 解析：nurse 护士 2. 答案：teaches → teacher 解析：teacher 老师 ■ 考点二：重点句型——I am a... / You are a... / He is a... / She is a... / We are... / They are... / Are you...?—Yes,I am./No,I'm not. / Who is he/she? / What is your/his/her name? 基础题： 1. 答案：A 解析：I am a pupil. 2. 答案：He 解析：He is a boy. 提升题： 1. 答案：A 解析：Yes, I am.（I'm not 不能单独简略答） 2. 答案：are → is 解析：She is a teacher. ■ 考点三：be动词与人称搭配（I am / you are / he is / she is / we are / they are） 基础题： 1. 答案：B 解析：He is 2. 答案：are 解析：We are 提升题： 1. 答案：B 解析：They are 2. 答案：is → am 解析：I am ■ 考点四：一般疑问句及简略回答（Are you...? Yes,I am. / No,I'm not.） 基础题： 1. 答案：B 解析：Are you a worker? 2. 答案：am 解析：Yes, I am. 提升题： 1. 答案：B 解析：Yes, I am.（完整形式不能缩略） 2. 答案：I'm → I am 解析：简略肯定答必须用 I am ■ 考点五：人称代词主格（I / you / he / she / we / they） 基础题： 1. 答案：A 解析：he/she 2. 答案：They 解析：They are 提升题： 1. 答案：B 解析：She is 2. 答案：me → I 解析：She and I are students. ■ 考点六：形容词性物主代词（my / your / his / her） 基础题： 1. 答案：B 解析：your name 2. 答案：my 解析：my bag 提升题： 1. 答案：C 解析：his book 2. 答案：you → your 解析：your pen ■ 考点七：特殊疑问句（Who is he/she? / What is your/his/her name?） 基础题： 1. 答案：C 解析：Who is he? 2. 答案：What 解析：What is your name? 提升题： 1. 答案：B 解析：What is his name? 2. 答案：Who → What 解析：问名字用 What ■ 考点八：职业/身份名词（student/teacher/pupil/doctor/nurse/driver/worker） 基础题： 1. 答案：A 解析：a man teacher 2. 答案：nurse 解析：nurse 护士 提升题： 1. 答案：C 解析：pupil 是身份不是职业但常考区分 2. 答案：drive → driver 解析：driver 司机 ■ 考点九：介绍用语（This is ... / I'm ... / I am a ...） 基础题： 1. 答案：A 解析：I am Bella.（介绍自己用 I'm...） 2. 答案：is 解析：This is my teacher. 提升题： 1. 答案：B 解析：This is... 介绍他人 2. 答案：This's → This is 解析：正式介绍用 This is ■ 考点十：单元综合运用——自我介绍/确认身份/询问姓名与身份（单选/填空/适当形式/改错/排序） 基础题： 1. 答案：D 解析：自我介绍含问候+身份 2. 答案：He 解析：He is my brother. 提升题： 1. 答案：A 解析：①问候→②问名→③答名→④问身份→⑤答 2. 答案：A 解析：Are you a teacher? 学科网（北京）股份有限公司 $