Welcome Unit 词汇讲解 课件-2026-2027学年-高中英语-人教版必修第一册

该高中英语课件聚焦人教版必修一Welcome Unit重点词汇及核心句型，从词汇的词性、搭配、例句解析到“find + 宾语 + 宾语补足语”结构讲解，构建由基础到应用的递进式学习支架，帮助学生逐步掌握词汇运用与句型转换。 其亮点在于通过词性转换训练（如annoy→annoyed/annoying）、多形式例句及分层练习（选词填空、语篇填空），提升学生语言能力与思维品质，同时结合语境化操练强化学习能力。教师可借助系统的词汇梳理与句型解析提高教学效率，学生能在讲练结合中夯实基础，提升英语综合运用能力。

人教版必修一Welcome Unit 重点词汇讲解 重点词汇1： exchange v./n. 交换；交流；互换 核心短语 1. exchange A for B 用A换取B 2. exchange sth with sb 和某人交换某物 3. in exchange (for...) 作为（对……的）交换 巩固： 1. 我用旧书换了一支新钢笔。 I exchanged my old book for a new pen. 2. 我们互相交换了观点。 We exchanged ideas with each other. 3. 她主动帮助我数学，以此换取我在英语写作方面的建议。 She offered to help me with maths in exchange for my advice on English writing. 重点词汇2. register v. /ˈredʒɪstə(r)/ 登记；注册；报名 n. registration /ˌredʒɪˈstreɪʃn/ 常用搭配 - register for sth 报名参加（课程、比赛、活动） - register at … 在……处登记 eg. 我打算报名参加暑期英语课程。 I plan to register for the summer English course. eg. 入住酒店时，我们需要在前台登记。 英文：We need to register at the front desk when checking into the hotel. 重点词汇3. design n. 设计;设计方案 vt.设计;筹划 重点用法： 1. be designed to do sth 旨在/目的是做某事 表示目的 be designed for sth / sb 专为……设计、适合…… eg. This app is designed to help students practise oral English. 这款APP旨在帮助学生练习英语口语。 This backpack is designed for long-distance hiking. 这个书包是专为长途徒步设计的。 巩固： 1. 这些规则旨在保护每一位参赛选手。 These rules are designed to protect every competitor. 2. 这套课程是为高一新生量身打造的。 This course is designed for freshmen in Senior One. 重点词汇3. anxious 1) a. 焦虑的;渴望的 be anxious about sth. 为某事焦虑 be anxious for sth. 渴望得到某物 be anxious to do sth. 渴望做某事 = be eager to do.... 2) 【词性转换】n. anxiety 焦虑;渴望 adv. anxiously 焦虑地;渴望地 (巩固) 我内心满是焦虑，焦急地四处张望，为即将到来的考试感到焦虑，又迫切渴望见到来接我的父母。 Filled with anxiety inside, I looked around anxiously, feeling both anxious about the coming exam and anxious to meet my parents who would pick me up. 重点词汇4 annoy 1) vt. 使生气;使恼怒;使烦闷;打扰 What annoys sb is that + 从句 令某人生气的是… 2) 【词性转换】a. annoyed生气的/annoying令人生气的 3) 【词性转换】n. annoyance 生气;烦恼;令人生气的事 to one’s annoyance 令某人生气的是 巩固： 1 I felt annoyed at the bad result. (annoy) The continuous noise is really annoying. (annoy) 2 令我恼火的是，我又错过了末班公交车。 To my annoyance, I missed the last bus again. What annoyed me was that I missed the bus again. ✅annoyed：修饰人 → 感到生气、烦躁 ✅ annoying：修饰物 → 令人讨厌的、惹人烦的 重点词汇5： frighten vt. 使害怕;使惊恐 【词性转换】a. frightened 害怕的 / frightening 令人害怕的 （巩固) 他感到忐忑不安在这片令人不安的陌生环境中。 He felt frightened in the frightening unknown surroundings. ✅frightened：修饰人 → 感到害怕，恐慌的 ✅ frightening：修饰事情、东西 → 令人害怕的 重点词汇6 ： impress v. 对....印象深刻 1) 【词性转换】adj. impressive (物)令人印象深刻的 n. impression 印象 搭配： 给某人留下深刻印象 1. sth impress sb deeply = sb be impressed by sth 2. sth leave/make a deep impression on sb. 巩固：整洁的校园和友善的老师给我留下了很深的印象。(一句多译) The tidy campus and kind teachers impressed me deeply. The tidy campus and kind teachers left / made a deep impression on me. I was deeply impressed by the tidy campus and kind teachers. The tidy campus and kind teachers were really impressive. 重点词汇7：concentrate vi.& vt.集中(注意力);聚精会神 搭配： concentrate on sth. = focus on sth. 【词性转换】n. concentration 专注;专心 我们需要专心学习，因为持续的(continuous) 专注是取得进步的关键。 We need to concentrate on our study, for continuous concentration is the key to making progress. 重点词汇8：explore 1) vt. 探索;勘探;探究 There is a lot to explore at senior high. 2) 【词性转换】n. exploration 研究;探索 3) 【词性转换】n. explorer 探索者 重点词汇9：confident 1) a. 自信的;有信心的 be confident about sth. 对某事有信心 be confident that + 从句 对…有信心 2) 【词性转换】n. confidence 信心;自信 with confidence = confidently 自信地;有信心地 have confidence in sb./sth. 对…有信心 lose confidence in sb./sth 对…失去信心 build up (=boost) one’s confidence 增强某人的信心 非谓语动词形式“to do”除可以作目的状语以外，也可以表示未来将要发生的动作。 重点词汇10 ： 1) leave sb./sth. alone 不打扰…;不惊动… 2) leave for sp. 动身前去某地 3) leave sth./sb. behind 彻底抛开...;甩掉（负面情绪，过往经历，烦恼....） 4) leave sth./sb. out 忽略;遗漏 feel left out 感到被忽视;感到被冷落 5) leave sth./sb. aside 把…放在一边;不予考虑… 1. Please leave me alone so that I can calm down in the new class. 2 I decide to leave my anxiety behind and face senior high bravely. 3 We can leave this difficult question aside and discuss it after class. 4 At first, I was afraid that I would feel left out among unfamiliar classmates 重点词汇11： curious adj. 好奇的 对...感到好奇 be curious about... 好奇做.... be curious to do.... curiosity n. 好奇心 出于好奇,我打开了这封信。 Out of curiosity, I opened the letter. 重点词汇12 ：company I felt much less nervous in the company of my new classmates. 在新同学们的陪伴下，我紧张感减轻了很多。 重要搭配： 1. in the company of sb 在某人的陪伴下 2. keep sb company = keep company with sb 陪伴某人 在新学校感到孤单的时候，她陪着我。 She kept me company when I felt lonely in the new school. 重要句型分析： “find + 宾语 +宾语补足语”结构 1) find sb./sth. + (a/an) + n. 发现…是… sb./sth. be found + (a/an) + n. …被发现是… He put the shirt on and found it a perfect fit. He put the shirt on and it was found a perfect fit. 2) find sb./sth. + doing 发现…正在主动做 sb./sth. be found doing …被发现正在主动做 When he came to himself, he found himself lying in the hospital. When he came to himself, he was found lying in the hospital. 3) find sb./sth + done 发现…被做 sb./sth. be found done …被发现被做 When he arrived, he found all the work already finished. When he arrived, all the work was found already finished. 4) find sb./sth + adj. 发现…怎么样 sb./sth. be found + adj. …被发现怎么样 I found most of my classmates and teachers friendly and helpful. Most of my classmates and teachers are found friendly and helpful. 5) find it + adj. + to do sth 发现做某事很怎么样 find it + (a/an) + n. + to do sth 发现做某事是… I found it challenging to finish the task in two days. I found it a challenge to finish the task in two days. 操练 1) She found herself ____________(trap) in the lift. 2) We have found the newly-released movie such _________ great hit. 3) The students found the science experiment ____________(impress) because the volcano model erupted with real smoke and sparks. 4) A cook will be fired if he is found ___________(smoke) in the kitchen. 5) Many high school students who are passionate about art and creative expression find it hard ____________(balance) their artistic pursuits with the demanding academic workload that their demanding curriculums require, especially when they face pressure from parents who prioritize more practical subjects over what they consider mere hobbies. trapped a impressive smoking to balance 巩固练习：一。选词填空（注意正确形式) 1. keep somebody company 2. in exchange for 3. register for 4. be anxious about 5. annoy 6. be impressed by 7. concentrate on 8. leave somebody alone 9. out of curiosity 1. _________________, the new student looked around every corner of the campus. 2. Please _______________. I don’t want to talk with anyone right now. 3. Students need to _____________ different interest clubs at the start of the new term. 4. Don’t make any noise, or you may _______________ the students nearby. 5. I _______________ the vivid and interesting English speech at the opening ceremony. 6. You should ________________ the teacher’s instructions carefully during the experiment. 8. The girl gave me a lovely bookmark ___________________ my advice on choosing courses. 9. Many freshmen __________________ whether they can get along well with classmates. 10. When I feel lonely at break time, my best friend will _____________________. Out of curiosity leave me alone register for annoy was impressed by concentrate on in exchange for are anxious about keep me company 二. 完成句子 1. We can ________________________ (用旧杂志换) a set of new cards at the school activity. 答案：exchange old magazines for 2. The amazing natural scenery on the trip will ____________________ (给我留下深刻印象). 答案：make a deep impression on me 3. I felt totally relaxed ____________________ (在向导的陪伴下) during the mountain hike. 答案：in the company of the guide 4. These rules ________________ (旨在帮助) freshmen get used to high school life quickly. 答案：are designed to help 5. ________________________ (让我恼火的是) some classmates keep talking in class. 答案：What annoys me is that 6. 令我生气的是她忽视了我的情感。 答案：What annoyed me / made me annoyed was that she ignored my feeling. Blank walls, clean desks, attentive(专心的) faces. I arrived in Inner Mongolia with the 1._____________(impress) that it was all grassland, not having enough supplies and infrastructure(基础设施) 2.___________ a typical school in the US or a major Chinese city would offer. I was pleasantly surprised, 3.___________, when I went to visit a local school to do volunteering there. A smart screen was centered at the front of every classroom. In a corner of the school sat a store where everything from erasers to beef snacks could 4.____________(explore). Students gathered in groups during 5._________(break) and laughed at each other's jokes. But in other ways, the school couldn't have been more different 6.________ my own back in the US. The students appeared to be 7._____________(extreme) focused on the teachers’ lectures, something with challenges I was usually 8.___________(frighten) of. Despite being a public school, everyone 9.________ (wear) a black-and-white uniform, something only seen in private schools in the US. The majority of the students were very tall. They seemed taller than my classmates in the US. All in all, I found a body of students 10.___________(hope) to learn while still keeping the youthfulness and humor(幽默) that teenagers should have. impression that/which however be explored breaks from extremely frightened wore hoping 三. 语篇填空 $