Welcome Unit-2026-2027学年高中英语词汇精讲精练必修第一册（人教版）

Welcome Unit 词汇精讲精练 核心词汇概览： exchange lecture registration register sex female male nationality nation designer design campus formal anxious annoyed annoy frightened p.m.a.m.senior senior high school at last outgoing impression impress make an impression 词汇精讲 序号 单词/短语 词汇讲解 exchange 释义：n.交换；交流：vt.交换；交流；交易：兑换 /Iks'tfeind3/ 词汇变形：exchangeable(adj.)可交换的；exchanger(n.)交换 器；兑换商 搭配：exchange A for B用A交换B;exchange sth.with sb.与某 人交换某物；in exchange(for)作为交换（对…）；cultural exchange文化交流 易混辨析：exchange强调互换；replace强调代替；substitute 强调替代（常用substitute A for B) 例句：We exchanged gifts with each other after the party 聚会后我们互相交换了礼物。 I would like to exchange this shirt for a larger size. 我想把这件衬衫换成大一号的。 lecture 释义：n.讲座；讲课；教训l:vi.开讲座；讲课；vt.训斥 /'八lektfa(r)/ 词汇变形：lecturer(n.)讲师；lectureship(n)讲师职位 搭配：give/deliver a lecture做讲座；lecture on/about sth. 就…做讲座；a lecture on history历史讲座；lecture sb.for (doing)sth.因…训斥某人 易混辨析：lecture侧重学术性正式讲授：speech泛指演说： talk非正式讲话 例句：The professor gave a fascinating lecture on climate change. 教授做了一个关于气候变化的精彩讲座。 My father lectured me for being late again. 父亲因我再次迟到而训斥了我。 registration 释义：n.登记；注册：挂号 /red3'streI[n/ 词汇变形：register()登记；注册；registered(adj)已注的； registrar(n.)登记员 搭配：registration form登记表；registration number注册号： 车牌号；registration fee注册费；course registration课程注册 辨析：registration强调动作或过程；register可作名词指登记 簿或动词。 例句：The registration for the conference will close next week 会议的注册将于下周截止。 You need to complete the registration before entering the exam hall. 在进入考场前，你需要完成登记。 formal 释义：adj.正式的：正规的 /'fo:ml/ 词汇变形：formally(ad,)正式地；formality(n)正式手续；礼 节；informal(adj)非正式拍的 搭配：formal education正规教育；formal dress正装；formal occasion正式场合；formal letter正式书信 辨析：formal强调符合规则或礼仪；official强调官方的、有授 权的。 例句：You are expected to wear a suit on such a forma/ occasion. 在这样的正式场合你应该穿西装。 The formal announcement will be made tomorrow. 正式公告将于明天发布。 anxious 释义：adj.焦虑的：不安的 /'aenkfas/ 词汇变形：anxiously(adv,)焦虑地；anxiety(n.)焦虑；渴望 搭配：be anxious about sth.对…感到焦虑；be anxious to do sth.渴望做某事；be anxious for sb.为某人担心 辨析：anxious侧重因不确定而担忧；eager侧重渴望；worried 侧重担忧（更日常）。 例句：She was anxious about the result of the interview. 她对面试结果感到焦虑。 The children are anxious to know what's in the box. 孩子们渴望知道盒子里有什么。 6 annoyed 释义：adj.恼怒的：生气的 /a'noId/ 词汇变形：annoy(M)使恼怒；打扰；annoying(adj)令人恼怒 的；anno yance(n.)怒；烦恼事 搭配：be annoyed with sb.对某人生气；be annoyed at/about sth.因某事生气；feel annoyed感到恼怒 辨析：annoyed程度较轻，短暂不悦：angry程度更重；furious 极度愤怒。 例句：He was annoyed with himself for making such a silly mistake. 他因犯了这么愚蠢的错误而对自己生气。 The constant noise annoyed the residents. 持续的噪音使居民们很恼火。 frightened 释义：adj.惊吓的：害怕的 /'fraItnd/ 词汇变形：frighten()使害怕；frightening(adj)令人害怕的； fright(n.)惊吓 搭配：be frightened of(doing)sth.害怕（做）某事；be frightened to do sth.害怕做某事；be frightened that..害怕. 辨析：frightened表示感到害怕；scared同义但更口语化； terrified极度恐惧。 例句：The little girl was frightened of the dark 小女孩害怕黑暗。 He was frightened to speak in front of the crowd. 他害怕在人群面前讲话。 8 impression 释义：n.印象：感想 /Im'prefn/ 词汇变形：impress()使钦佩；给.留下深刻印象；impressive (adj)给人印象深刻的；impressively(ad) 搭配：make/leave a(n).impression on sb.给某人留下…的印 象；first impression第一印象；have/get the impression that.. 有…的印象；be under the impression that..原以为…（常指 错误印象) 例句：Her kindness made a deep impression on him. 她的善良给他留下了深刻的印象。 I got the impression that he was not telling the truth. 我感觉他没有说实话。 二、专项训练 (一)单句填空（每空一词，共12题） 1.The two students agreed to exchange their phone numbers each other. 2.Professor Wang will deliver a lecture the history of Chinese art next Monday. 3.All new students must complete the (register)before the semester starts. 4.The company requires all employees to wear (formal)clothes during business meetings. 5.Many parents are anxious their children's safety when they travel alone. 6.She felt (annoy)when her brother interrupted her while she was studying. 7.The dark forest made the children (frighten)of getting lost. 8.His excellent performance in the competition left a good impression the judges. 9.It is not easy to (impress)the strict professor with your work. 10.The (lecture)often shares interesting stories during his talks 11.The registration the summer camp will open next week. 12.Don't be so anxious;everything will be fine.Just try to relax (anxious). (二)单句表达（根据汉语提示完成句子，每空词数不限，共8题） 1许多学生渴望与外国朋友交换文化经验。 Many students are exchange cultural experiences with foreign friends. 2校长就时间管理的重要性给学生们做了一场演讲。 The headmaster gave the importance of time management. 3你需要在截止日期前完成课程注册。 You need to finish the before the deadline. 4.在正式场合穿牛仔裤是不合适的。 It is not appropriate to wear jeans on such a 5.她对考试结果感到非常焦虑。 She was very the result of the exam. 6别再打扰我了！我对你的问题感到恼火。 Stop annoying me！lam your questions. 7.那个小女孩害怕在晚上独自走路回家。 The little girl was walking home alone at night. 8他的诚实给我们留下了深刻的印象。 His honesty made a deep us. (三)短文填空 Last Monday,our school held a 1.(form)welcome ceremony for the exchange students from the UK.Before the ceremony,all new students had to go through the 2. (register)process.They needed to fill in a form and 3. (exchange)their contact information with their host families.During the ceremony,the headmaster gave a 4. (lecture)about the importance of cultural understanding.He said,"I hope you will not feel 5.(anxiety) about the new environment.If you are ever 6.(annoy)or 7. (frighten)by anything,please talk to your teachers."After the ceremony,I met a British girl named Lily.She told me she was 8.(anxiously)to visit the local museum.We exchanged ideas about art,and her knowledge left a deep 9. (impress)on me.She also said that the warm welcome made her feel 10. (impress)."The first impression of this school is wonderful,"she said. To be honest,I was a little nervous at first,but now I feel relaxed.The 11. (lecture)and activities helped us get along well.I believe this exchange will be a valuable experience for all of us.And I hope more students will take part in such 12. (register)activities. 三、参考答案 (一)单句填空 1.with;2.on/about;3.registration;4.formal;5.about;6.annoyed; 7.frightened;8.on;9.impress;10.lecturer;11.for;12.anxiously (二)单句表达 1.anxious to;2.a lecture on;3.course registration;4.formal occasion;5.anxious about;6.annoyed with;7.frightened of;8.impression on (三)短文填空 1.formal;2.registration;3.exchange;4.lecture;5.anxious;6.annoyed; 7.frightened;8.anxious;9.impression;10.impressed;11.lectures; 12.registration