Unit 3 welcome知识清单与课时配套练习 2025-2026学年译林版（2024）七年级英语上册

本初中英语讲义系统梳理7AU3 Welcome to the unit核心知识，涵盖词汇（如classroom building构词解析、sports field用法拓展、modern词性辨析、as well与too/either/also用法对比）、语法（“It is + adj. + to do sth.”结构功能及形容词分类、How many提问数量句型）及高频考点（中考常考介词选择、同义句转换），构建从词汇基础到语法应用再到考点突破的学习支架。 资料亮点在于知识清单的系统性（构词、用法、拓展层层递进）与配套练习的梯度设计（从词汇拼写、语法单选到情景对话应用），通过例句解析与辨析题培养学生语言能力（提升理解表达）和思维品质（强化分析比较），课中辅助教师聚焦重难点教学，课后助力学生自主巩固知识盲点，高效提升学习效果。

7AU3welcome知识清单与课时配套练习 Welcome to the unit知识清单详解 一、核心词汇全掌握 1. classroom building 教学楼 - 构词：classroom（教室）+ building（建筑物） - 例句：There is an old classroom building in front of our school.（我们学校前面有一座旧教学楼。） 2. sports field 体育场 - 拓展：basketball field（篮球场）、football field（足球场） - 用法：需搭配冠词使用，如a new sports field（一个新体育场） 3. It's + adj. + to see you. 很高兴见到你。 - 结构：“It is + 形容词 + to do sth.”为形式主语句，it作形式主语，真正主语是不定式短语。 - 变式：Nice to meet you.（见到你很高兴。） 4. modern /ˈmɒdn/ 现代化的，先进的 - 用法：仅作定语修饰名词，不说“I am modern.”（形容人用up-to-date“时髦的”） - 拓展：modern history（现代史）、modern hotel（现代化酒店） 5. as well 也 - 位置：肯定句句末，前不用逗号 - 辨析： - too（也，句末加逗号） - either（否定句句末，加逗号） - also（句中，实义动词前/be动词后） 二、重点语法全解析 1. “It is + 形容词 + to do sth.” 结构 - 功能：描述“做某事的性质”，it作形式主语，真正主语是to do不定式。 - 形容词分类： - 事物特征类：easy（容易的）、hard（难的）、important（重要的） - 人物性格类：kind（友好的）、careless（粗心的）、wise（明智的） - 例句： - It is difficult for me to work out this problem.（解决这道题对我来说很难。） - It is very nice of you to help me.（你帮我真是太好了。） 2. “How many + 可数名词复数” 提问数量 - 结构：How many + 可数名词复数 + 一般疑问句？ - 回答：用数词直接回答。 - 例句： - How many classrooms does your school have?（你们学校有多少间教室？） - My school has 36 classrooms.（我们学校有36间教室。） 三、高频考点全突破 1. building的构词与用法 - 构词：build（动词，建造）+ -ing（后缀）→ building（名词，建筑物） - 考点：辨析builder（建筑工人）、buildings（复数，建筑物） - 例题：Some ______ are working hard to build the tall building.（ builders ） 2. also / as well / too的位置差异 - also：肯定句中，实义动词前/be动词后（如：He is also a teacher.） - as well：肯定句末，无逗号（如：He can sing as well.） - too：肯定句末，加逗号（如：He is a teacher, too.） - 考点：选择正确副词填空 - 例题：She can speak English ______ she can speak Chinese.（as well） 3. “It is + 形容词 + to do sth.”的逻辑主语 - 规则：形容词描述“人”时，逻辑主语用of sb.；描述“事”时，用for sb. - 考点：中考常考介词选择 - 例题：It's very important ______ teenagers ______ how to spend their pocket money wisely.（for；to learn） Welcome to the unit配套基础练习 一、词汇基础运用（根据释义写单词） 1. 一座旧教学楼（由classroom和building构成）________ 2. 用于踢足球或跑步的地方________ 3. 表示“也”，用于肯定句末，无逗号________ 4. 形容“配备先进设施的”________ 5. 学校里借书的地方________ 二、单项选择（基础语法应用） 6. It's ________ to meet you here! A. glad B. happy C. nice D. fine 7. My school has a big sports field, and there is a swimming pool ________. A. also B. too C. as well D. either 8. It's important ________ students to learn how to use the library. A. for B. of C. to D. with 9. How many ________ are there in your classroom building? A. student B. teacher C. classroom D. lab 10. The new dining hall is bright, and the food is delicious ________. A. as well B. too C. also D. either 三、完成句子（用所给词的正确形式填空） 11. There is a ________ (现代化的) computer room on the third floor. 12. It's difficult ________ (work) out this math problem in two minutes. 13. We have music and art classes in the ________ (teach) building. 14. My friend Lily can speak English, and she can speak Chinese ________ (也). 15. ________ (多少) libraries does your school have? 四、句型转换（按要求改写句子） 16. It's nice to see you.（写出同义句） Nice ________ ________ you. 17. Our school has 20 labs.（对划线部分提问） ________ ________ labs does your school have? 18. The classroom building is old.（改为感叹句） ________ ________ the classroom building is! 19. Can you sing? I can sing, too.（合并为一句） I can sing, ________ ________. 20. It's easy for us to find the sports field.（就easy提问） ________ ________ is it for you to find the sports field? 五、情景对话（补全对话，每空一词） Millie: Hi, Amy. This is our new school. Amy: Wow! It's so big. What's that? Millie: Oh, that's the ________ (21) building. Amy: Is there a library in it? Millie: Yes, ________ (22). And look! The ________ (23) over there is for students. Amy: How many ________ (24) do you have? Millie: Let me see… 1, 2, 3… 30! ________ (25) are big and clean. Amy: Great! I love this school! 参考答案 1. an old classroom building2. sports field3. as well4. modern5. library 6. C7. C8. A9. C10. A11. modern12. to work13. teaching14. as well15. How many 16. to meet17. How many18. How old19. so can I20. How easy21. classroom 22. there is23. sports field24. classrooms25. They 学科网（北京）股份有限公司 $