Unit 2My School Things重点知识点易错（专项训练）-2025-2026学年外研版（三起）三年级上册

**基本信息** 聚焦外研版三上Unit 2学习用品主题，以“知识点梳理+分层训练”构建系统复习体系，强化语言能力与思维品质。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |单词认读|4题|图片匹配+词义辨析|从基础词汇到语境应用| |句型运用|8题|近远指问答/it指代规则|从单一句型到对话逻辑| |语法突破|8题|a/an区分/物主代词用法|从语法规则到错误修正| |综合运用|4题|情景对话排序/选择|从知识整合到语用能力|

最新外研版（三起）三年级上册Unit 2 My School Things 重点知识点易错专项练习 【Unit 2 重点单词与短语一览】 ◇ ★ 重点单词（学习用品＋指示代词＋物主代词＋回答词）： pen 钢笔　pencil 铅笔　ruler 尺子　eraser 橡皮　book 书　bag 书包　schoolbag 书包　pencil box / pencil case 铅笔盒　this 这（个，近指）　that 那（个，远指）　it 它　is 是（be动词三单）　my 我的　your 你的；你们的　yes 是；是的　no 不；不是　open 打开　close 关上　look 看　find 找到　pack 收拾 ◇ ★ 重点短语/课堂用语： my school things 我的学习用品　What's this? 这是什么？　What's that? 那是什么？ It's a pen. 是一支钢笔。　It's an eraser. 是一块橡皮。 Is it a ruler? 是一把尺子吗？　Yes, it is. 是的，它是。　No, it isn't. 不，它不是。 Open your schoolbag. 打开你的书包。　Pack my pen. 收拾好我的钢笔。 This is my pencil. 这是我的铅笔。　That is your bag. 那是你的书包。 ◇ ★ 核心句型： — What's this?（问近处物品） — It's a pencil. / It's an eraser. — What's that?（问远处物品） — It's a ruler. — Is it a pen? — Yes, it is. / No, it isn't. — This is my book. That is your bag. ◇ ★ 语法要点： ① 学习用品单词认读：pen/pencil/ruler/eraser/book/bag/schoolbag/pencil box ② 问物品 What's this?（近处）/ What's that?（远处）— It's a/an + 单数名词（回答用 it 不用 this/that） ③ a/an 区别：a pen/a book/a ruler/a bag; an eraser/an apple（元音开头用 an） ④ 指示代词 this（近指这个）/ that（远指那个）——this is... / that is... ⑤ 一般疑问句 Is it a...? — Yes, it is. / No, it isn't.（isn't = is not） ⑥ 物主代词 my（我的）/ your（你的）——This is my pen. Is this your ruler? ⑦ it 指代上文提到或问及的单数物品/动物——What's this? It's a dog.（用 it 回答） ⑧ 大小写规范：句首字母大写；I 永远大写；物品名词小写（pen, book）；颜色/冠词不大写 【单元重点易错专项练习】 【考点1】考点一：学习用品单词认读——pen 钢笔 / pencil 铅笔 / ruler 尺子 / eraser 橡皮 / book 书 / bag 书包 / schoolbag 书包 / pencil box 铅笔盒 ▷ 基础题： 1. ( ) "橡皮" in English is ____. A. ruler B. eraser C. pen D. pencil 2. Fill in: I have a ____ (钢笔) and a ____ (铅笔). ▷ 提升题： 1. ( ) Which is the tool for measuring(量长度)? A. book B. ruler C. bag D. eraser 2. 改错：I have a pencile. 错误：__________ 改正：__________ 【考点2】考点二：问物品 What's this?（近处）/ What's that?（远处）— It's a/an + 单数名词（回答必须用 it 不用 this/that） ▷ 基础题： 1. ( ) — What's this? — ____ a pen. A. This is B. That is C. It's D. Its 2. Fill in: — What's ____ (that)? — It's a ruler. ▷ 提升题： 1. ( ) — What's ____ (this / that) in your hand? — It's my book. A. this B. that C. these D. those 2. 改错：— What's this? — This is a bag. 错误：__________ 改正：__________ 【考点3】考点三：冠词 a/an 区别——a + 辅音开头(pen/book/ruler/bag); an + 元音开头(eraser/apple) ▷ 基础题： 1. ( ) It's ____ eraser. A. a B. an C. / D. the 2. Fill in: It's ____ (a/an) schoolbag. ▷ 提升题： 1. ( ) Which uses "an" correctly? A. a eraser B. an pen C. an eraser D. a apple 2. 改错：It is a eraser. 错误：__________ 改正：__________ 【考点4】考点四：指示代词 this（近指这个，手里/跟前）/ that（远指那个，远处）——This is my pen. / That is your bag. ▷ 基础题： 1. ( ) ____ is my new pencil box. A. This B. That C. These D. Those 2. Fill in: ____ (That / This) is your bag over there. ▷ 提升题： 1. ( ) — Is ____ your ruler?（指着桌上近处的尺子） — Yes, it is. A. this B. that C. these D. those 2. 改错：These is a book. 错误：__________ 改正：__________ 【考点5】考点五：一般疑问句 Is it a...? — Yes, it is. / No, it isn't.（isn't = is not；问句用 is 开头） ▷ 基础题： 1. ( ) — Is it a pencil? — ____, it ____. A. Yes; is B. No; is C. Yes; isn't D. A and B 正确形式选A 2. Fill in: — Is it a ____ (书)? — Yes, it ____ (be). ▷ 提升题： 1. ( ) — Is it a ruler? — ____, it ____. A. No; is B. No; isn't C. Yes; aren't D. No; are 2. 改错：— Is it a pen? — Yes, it isn't. 错误：__________ 改正：__________ 【考点6】考点六：物主代词 my（我的）/ your（你的）——This is my pen. Is this your ruler?（my/your 后接名词） ▷ 基础题： 1. ( ) This is ____ book. A. I B. my C. me D. mine 2. Fill in: Is this ____ (you) ruler? ▷ 提升题： 1. ( ) — Is that your bag? — No, it's ____. A. my B. mine C. yours D. his 2. 改错：This is you pen. 错误：__________ 改正：__________ 【考点7】考点七：it 指代上文提到或问及的单数物品/动物——What's this? It's a dog.（用 it 回答） ▷ 基础题： 1. ( ) — What's this? — It's a pencil. ____ is sharp. A. It B. This C. That D. They 2. Fill in: — Is it a book? — Yes, ____ (it) is. ▷ 提升题： 1. ( ) — What's that? — It's a dog. ____ has a long tail. A. It B. This C. That D. They 2. 改错：— What's this? — This is a cat. It is cute. 错误：__________ 改正：__________ 【考点8】考点八：书写规范——句首字母大写；I 永远大写；物品名词小写（pen, book）；颜色/冠词不大写 ▷ 基础题： 1. ( ) Which is written correctly? A. IT IS A PEN B. It is a pen C. it is a pen D. It Is A Pen 2. Fill in: ____ (I) have a new book. ▷ 提升题： 1. ( ) Choose the correct sentence: A. What's this? B. whats this? C. WHAT'S THIS? D. What'S This? 2. 改错：i have a red bag. 错误：__________ 改正：__________ 【考点9】考点九：学习用品词汇综合运用——What's this/that? + It's a... + Is it a...? + This/That is my/your... ▷ 基础题： 1. ( ) — ____ is your eraser? — It's over there. A. What B. Where C. How D. Who 2. Fill in: — Is it a ____ (尺子)? — No, it ____ (be not). ▷ 提升题： 1. ( ) Read and choose the correct order: ① Is it a book? ② It's a pencil. ③ What's this? ④ No, it isn't. A. ③②①④ B. ①④③② C. ③②④① D. ②③①④ 2. 情景选择：你想确认远处的东西是不是对方的书包，应说： A. This is your schoolbag. B. Is that your schoolbag? C. What's this? D. It's a schoolbag. 【考点10】考点十：单元核心句型综合运用——What's this/that? + It's a/an... + Is it a...? + Yes/No + This/That is my/your... ▷ 基础题： 1. ( ) — ____! — What's this? — It's a pencil box. A. Look B. Hi C. Goodbye D. Thank you 2. Fill in: — This is my ____ (书). — Is it a new ____ (书)? — Yes, it ____ (be). ▷ 提升题： 1. ( ) Read and put in order: ① It's a ruler. ② Is it a pen? ③ What's that? ④ No, it isn't. A. ③①②④ B. ①③②④ C. ③②④① D. ②④③① 2. 情景选择：你向朋友展示自己的新铅笔盒并介绍，应说： A. Is it a pencil box? B. What's this? C. Look! This is my new pencil box. D. It's a pencil. 【参考答案与详细解析】 ■ 考点1：考点一：学习用品单词认读——pen 钢笔 / pencil 铅笔 / ruler 尺子 / eraser 橡皮 / book 书 / bag 书包 / schoolbag 书包 / pencil box 铅笔盒 基础题： 1. 答案：B 解析：eraser=橡皮 2. 答案：pen; pencil 解析：pen 钢笔 pencil 铅笔 提升题： 1. 答案：B 解析：ruler 尺子量长度 2. 答案：pencile → pencil 解析：铅笔拼写 pencil 无 e ■ 考点2：考点二：问物品 What's this?（近处）/ What's that?（远处）— It's a/an + 单数名词（回答必须用 it 不用 this/that） 基础题： 1. 答案：C 解析：回答用 It's ... 不用 This is... 2. 答案：that 解析：问远处用 What's that? 提升题： 1. 答案：A 解析：手里近处用 What's this? 2. 答案：This is → It's / It is 解析：问 What's this/that? 答用 It's... ■ 考点3：考点三：冠词 a/an 区别——a + 辅音开头(pen/book/ruler/bag); an + 元音开头(eraser/apple) 基础题： 1. 答案：B 解析：eraser 元音 e 开头用 an 2. 答案：a 解析：schoolbag 辅音开头用 a 提升题： 1. 答案：C 解析：eraser 元音开头 an eraser 2. 答案：a → an 解析：eraser 元音开头用 an ■ 考点4：考点四：指示代词 this（近指这个，手里/跟前）/ that（远指那个，远处）——This is my pen. / That is your bag. 基础题： 1. 答案：A 解析：介绍近处用 This is... 2. 答案：That 解析：远处用 That is your bag. 提升题： 1. 答案：A 解析：近处用 Is this...? 2. 答案：These → This 解析：单数介绍用 This is...（These 是复数） ■ 考点5：考点五：一般疑问句 Is it a...? — Yes, it is. / No, it isn't.（isn't = is not；问句用 is 开头） 基础题： 1. 答案：A 解析：肯定 Yes, it is. 2. 答案：book; is 解析：Is it a book? Yes, it is. 提升题： 1. 答案：B 解析：否定 No, it isn't. 2. 答案：Yes, it isn't → Yes, it is. 或 No, it isn't. 解析：前后须一致，肯定应为 Yes, it is. ■ 考点6：考点六：物主代词 my（我的）/ your（你的）——This is my pen. Is this your ruler?（my/your 后接名词） 基础题： 1. 答案：B 解析：This is my book. 我的书 2. 答案：your 解析：Is this your ruler? 你的尺子吗？ 提升题： 1. 答案：A 解析：No, it's my bag.（初级阶段不用名词性物主代词 mine） 2. 答案：you → your 解析：your 是形容词性物主代词，修饰 pen ■ 考点7：考点七：it 指代上文提到或问及的单数物品/动物——What's this? It's a dog.（用 it 回答） 基础题： 1. 答案：A 解析：It 指代上文 pencil 2. 答案：it 解析：Yes, it is. 回答用 it 提升题： 1. 答案：A 解析：It 指代上文 dog 2. 答案：This is → It's 解析：问 What's this? 答用 It's... ■ 考点8：考点八：书写规范——句首字母大写；I 永远大写；物品名词小写（pen, book）；颜色/冠词不大写 基础题： 1. 答案：B 解析：It is a pen. 句首 I 大写，其余小写 2. 答案：I 解析：I（我）永远大写 提升题： 1. 答案：A 解析：句首 W 大写，其余小写 What's this? 2. 答案：i → I 解析：I（我）永远大写 ■ 考点9：考点九：学习用品词汇综合运用——What's this/that? + It's a... + Is it a...? + This/That is my/your... 基础题： 1. 答案：B 解析：Where is your eraser? 问地点 2. 答案：ruler; isn't 解析：Is it a ruler? No, it isn't. 提升题： 1. 答案：A 解析：③问→②答→①再问→④否定答 2. 答案：B 解析：远处用 Is that...? 确认 ■ 考点10：考点十：单元核心句型综合运用——What's this/that? + It's a/an... + Is it a...? + Yes/No + This/That is my/your... 基础题： 1. 答案：A 解析：Look!引起注意后问 What's this? 2. 答案：book; book; is 解析：This is my book. Is it a new book? Yes, it is. 提升题： 1. 答案：A 解析：③问→①答→②再问→④否定答 2. 答案：C 解析：展示用 Look! This is my... 学科网（北京）股份有限公司 $