Unit 3 Welcome to our school! 知识清单+配套同步练习2026-2027学年译林版七年级英语上册

该初中英语知识清单系统梳理了译林版七年级上册Unit 3“校园介绍”主题内容，涵盖校园设施词汇、参观句型、人称代词与数量提问语法等核心范畴，搭建了从“单词音形义”到“短语句型应用”再到“语法易错点突破”的递进式学习支架。 清单通过“考点变形标注”“语法口诀记忆”“易错点警示”构建知识体系，如人称代词主格宾格配“句首主格动词介词后宾格”口诀，thousand用法明确“有数字无s无of”规则，培养学生语言能力和学习能力。配套同步练习覆盖单选、词形转换等题型并附解析，助力学生自主巩固，教师可精准把握教学重难点。

译林版七年级上册Unit 3 Welcome to our school! 知识清单+配套同步练习（含答案解析） 单元整体概述 本单元主题为校园介绍、场所描述、校园生活问答，主要学习校园设施词汇、参观介绍句型、人称代词用法。 单元必考核心语法：人称代词主格与宾格辨析、固定动词/介词搭配接宾格、how many数量提问、基数词与概数用法（thousand）。 高频考点：代词辨析单选、词形转换、句型转换、校园主题写作、语法填空。 第一部分：Unit 3 满分必背知识清单 一、重点核心单词（音标+词性+释义+考点变形） 1. welcome /ˈwelkəm/ int. 欢迎 v. 欢迎 2. school /skuːl/ n. 学校 3. classroom /ˈklɑːsruːm/ n. 教室 4. grade /ɡreɪd/ n. 年级 5. student /ˈstjuːdnt/ n. 学生（复数：students） 6. teacher /ˈtiːtʃə(r)/ n. 老师 7. library /ˈlaɪbrəri/ n. 图书馆（复数：libraries） 8. playground /ˈpleɪɡraʊnd/ n. 操场 9. hall /hɔːl/ n. 大厅；礼堂 10. building /ˈbɪldɪŋ/ n. 建筑物，楼房 11. floor /flɔː(r)/ n. 楼层；地板 12. ground /ɡraʊnd/ n. 地面 13. only /ˈəʊnli/ adv. 仅仅，只 14. few /fjuː/ adj. 很少的，不多的 15. away /əˈweɪ/ adv. 离开；远离 16. subject /ˈsʌbdʒɪkt/ n. 学科，科目 17. best /best/ adj.&adv. 最好的（good/well最高级） 18. thousand /ˈθaʊznd/ num. 千 二、单元核心短语（默写必过关·考试高频） 1. welcome to… 欢迎来到…… 2. show sb. around 带某人参观…… 3. a new student 一名新生 4. in Class 1, Grade 7 在七年级一班 5. on the ground floor （英式）在一楼 6. on the first floor （英式）在二楼 7. have a look 看一看 8. over there 在那边 9. a few books 几本书（肯定含义，修饰可数复数） 10. far away from 远离…… 11. all kinds of 各种各样的 12. different subjects 不同的学科 13. thousands of 成千上万的 14. borrow books from the library 从图书馆借书 15. in our school 在我们学校 三、单元万能核心句型（口语+写作必考） 1. 欢迎与参观核心句型 Welcome to our school! 欢迎来到我们学校！ Let me show you around. 让我带你参观一下。 This is our new classroom building. 这是我们的新教学楼。 2. 楼层与位置问答 —Where is the library? 图书馆在哪里？ —It’s on the ground floor. 它在一楼。 3. 数量提问句型（单元重点） —How many classrooms are there in your school? 你们学校有多少间教室？ —There are 20. 有20间。 4. 介绍校园万能句（写作加分） Our school is big and beautiful. 我们的学校又大又漂亮。 We have many different subjects at school. 我们在学校有很多不同的学科。 We can read many books in our library. 我们可以在图书馆看很多书。 5. 代词基础问答 Let us help you. 让我们帮助你。 Can you show me around? 你能带我参观一下吗？ 四、单元两大核心语法（全覆盖精讲+口诀+易错点） 语法一：人称代词主格 & 宾格（单元重中之重·必考） 1. 完整对照表（必背默写） 人称 单数主格（句首作主语） 单数宾格（动/介词后作宾语） 复数主格 复数宾格 第一人称 I 我 me 我 we 我们 us 我们 第二人称 you 你 you 你 you 你们 you 你们 第三人称 he/she/it 他/她/它 him/her/it 他/她/它 they 他们 them 他们 2. 核心口诀 句首主语用主格，动词介词后用宾格。 3. 必考用法场景 ① 主语位置（句首）→ 主格：We love our school. ② 动词后宾语 → 宾格：Let me show you around. ③ 介词后宾语 → 宾格：Wait forthem at the gate. 4. 超级易错点 ❌ Him is a new student. ✅ He is a new student.（句首用主格） ❌ Let he help you. ✅ Let him help you.（动词后用宾格） 语法二：how many 数量提问 + thousand 用法 1. how many 用法 固定结构：how many + 可数名词复数，专门提问人/物品数量，答语用具体数字。 例：How many students are there in your class? 2. thousand 必考双重用法 ① 具体数字+thousand（不加s，不加of）：two thousand students 两千名学生 ② 模糊概数：thousands of（加s加of）成千上万的，不与具体数字连用 五、单元超级易错点（扣分重灾区） 1.library 复数为 libraries，辅y变i加es，不可写 librarys； 2.英式楼层：ground floor 一楼，first floor 二楼，切勿混淆； 3.let/help/show/wait for 后必须接宾格，是单元最高频改错点； 4.how many 后必须跟名词复数，单数名词直接错； 5.thousand 有数字无s无of，无数字有s有of； 6.a few 修饰可数名词复数，表“有一些”，表肯定含义。 第二部分：Unit 3 配套同步专项练习 一、单项选择（20道，全覆盖基础+语法易错点） 1. Welcome ______ our new school! A. in B. to C. on D. at 2. Let ______ show ______ around our classroom building. A. I; you B. me; you C. me; your D. I; yours 3. The library is ______ the ground floor. A. in B. on C. at D. of 4. How many ______ are there in your school? A. classroom B. classrooms C. room D. student 5. ______ is a new student. Please help ______. A. He; him B. Him; he C. She; her D. Her; she 6. There are two ______ students in our grade. A. thousand B. thousands C. thousand of D. thousands of 7. We have ______ good friends in our class. A. few B. a few C. little D. a little 8. Wait for ______! I will go with ______. A. I; you B. me; you C. me; your D. I; yours 9. —______ is the hall? —It’s over there. A. What B. Where C. How D. When 10. Let’s ______ a look at our new library. A. have B. has C. having D. to have 11. ______ you know the boy? A. Do B. Does C. Are D. Is 12. Our school has ______ books in the library. A.thousand of B.thousands of C.two thousands D.two thousand of 13. She often helps ______ with our English. A. we B. us C. our D. ours 14. The playground is far away ______ our classroom. A. to B. from C. in D. on 15. There are all ______ of subjects in our school. A. kind B. kinds C. type D. types 16. ______ classroom is big and clean. We like ______. A. Our; it B. We; it C. Our; them D. We; them 17. Let ______ go to the playground together. A. we B. us C. our D. ours 18. —How many floors ______ the building ______? A. do; have B. does; have C. do; has D. does; has 19. He is ______ a new student. He knows few people here. A. just B. only C. very D. so 20. We can read different books ______ different subjects. A. in B. on C. at D. for 二、用所给词的适当形式填空（15道核心变形） 1. Let ______ (I) show you around our school. 2. There are many new ______ (library) in our city. 3. Can you help ______ (she) with her lessons? 4. How many ______ (student) are there in your class? 5. Let ______ (we) have a look at the hall. 6. He ______ (have) a new classroom. 7. There are two ______ (thousand) books in this room. 8. Please wait for ______ (they) at the school gate. 9. Our school has many different ______ (subject). 10. She wants ______ (visit) the new playground. 11. ______ (we) school is very beautiful. 12. Let ______ (he) help you carry the book. 13. There are ______ (thousand) of people in the park. 14. A few ______ (boy) are playing on the playground. 15. The teacher teaches ______ (we) English well. 三、句型转换（10道单元必考） 1. The library is on the ground floor.（对划线部分提问） ______ ______ the library? 2.There are twenty classrooms in our school.（对划线部分提问） ______ ______ classrooms are there in your school? 3. Let me show you around.（改为同义句） Let ______ ______ around ______. 4. He is a new student.（改为一般疑问句并肯定回答） —______ ______ a new student? —Yes, ______ ______. 5. Our school is big and beautiful.（改为否定句） Our school ______ big and beautiful. 6. They have many different subjects.（改为一般疑问句） ______ they ______ many different subjects? 7. I can help him.（改为否定句） I ______ ______ him. 8. The building has five floors.（对划线部分提问） ______ ______ floors does the building ______? 9. We have a new library.（改为一般疑问句） ______ ______ have a new library? 10. She waits for them at the gate.（改为否定句） She ______ ______ for them at the gate. 四、完成句子（10道，每空一词） 1. 欢迎来到我们的校园！ ______ ______ our school! 2. 让我带你参观我们的教学楼。 Let me ______ ______ ______ our classroom building. 3. 图书馆在一楼。 The library is ______ ______ ______. 4. 我们学校有数千本书。 Our school has ______ ______ books. 5. 请在门口等他们。 Please ______ ______ ______ at the gate. 6. 我们学校有很多不同的学科。 We have ______ ______ ______ in our school. 7. 让我们看一看这个大厅。 Let’s ______ ______ ______ at this hall. 8. 他只是一名新生。 He is ______ a new ______. 9. 操场离教室很远。 The playground is ______ ______ ______ our classroom. 10. 我们可以从图书馆借书。 We can ______ books ______ the library. 五、语法填空（短文综合填空，10空） 阅读短文，用所给词的适当形式填空 Welcome to 1.______ (we) school! Let 2.______ (I) show 3.______ (you) around. Our school is big and beautiful. There are many 4.______ (building) in it. The library is on the ground floor. There are two 5.______ (thousand) books in it. We can read books about different 6.______ (subject). Look! That is our playground. Many 7.______ (student) play there after school. We 8.______ (have) a big hall too. All of 9.______ (we) love our school. It is one of the best 10.______ (school) in our city. 全套参考答案+精细解析 一、单项选择答案+解析 1. B 解析：固定搭配 welcome to + 地点 欢迎来到某地。 2. B 解析：动词let后接宾格me，show后接宾格you。 3. B 解析：在某楼层固定用介词on。 4. B 解析：how many后接可数名词复数。 5. A 解析：句首主语用主格he，动词help后用宾格him。 6. A 解析：具体数字two后thousand不加s、不加of。 7. B 解析：a few修饰可数复数，表“有一些”，肯定含义。 8. B 解析：介词for、介词with后均接宾格。 9. B 解析：答语为地点，用where提问。 10. A 解析：let’s后接动词原形，have a look 看一看。 11. A 解析：主语you，实义动词know，一般疑问用do。 12. B 解析：thousands of 成千上万的，模糊概数。 13. B 解析：动词help后接宾格us。 14. B 解析：固定搭配 far away from 远离。 15. B 解析：all kinds of 各种各样的，固定短语。 16. A 解析：修饰名词classroom用形物代our，指代单数教室用it。 17. B 解析：let后接宾格us。 18. B 解析：主语building单数，助动词does，后接动词原形have。 19. B 解析：only 仅仅、只是，贴合句意。 20. B 解析：on different subjects 关于不同学科，固定搭配。 二、词形填空答案+解析 1. me 解析：动词let后接人称代词宾格。 2. libraries 解析：many后接名词复数，library变y为i加es。 3. her 解析：动词help后接宾格。 4. students 解析：how many后接可数名词复数。 5. us 解析：let后接宾格。 6. has 解析：主语he三单，一般现在时用has。 7. thousand 解析：具体数字two后用原形。 8. them 解析：介词for后接宾格。 9. subjects 解析：different后接名词复数。 10. to visit 解析：want to do sth. 想要做某事。 11. Our 解析：修饰名词school，用形容词性物主代词。 12. him 解析：let后接宾格。 13. thousands 解析：thousands of 固定概数搭配。 14. boys 解析：a few后接可数名词复数。 15. us 解析：teach sb. sth. 双宾语结构，sb.用宾格。 三、句型转换答案 1. Where is 2. How many 3. me show; you 4. Is he; he is 5. isn’t 6. Do; have 7. can’t help 8. How many; have 9. Do you 10. doesn’t wait 四、完成句子答案 1. Welcome to 2. show you around 3. on the ground floor 4. thousands of 5. wait for them 6. many different subjects 7. have a look 8. only; student 9. far away from 10. borrow; from 五、语法填空答案+解析 1. our 解析：修饰名词school，用形物代。 2. me 解析：let后接宾格。 3. you 解析：show后接宾格，you主宾同形。 4. buildings 解析：many后接名词复数。 5. thousand 解析：具体数字two后用原形。 6. subjects 解析：different后接复数名词。 7. students 解析：many后接可数复数。 8. have 解析：主语we复数，动词原形。 9. us 解析：介词of后接宾格。 10. schools 解析：one of+名词复数，表示“……之一”。 学科网（北京）股份有限公司 $