Welcome Unit Vocabulary 重点词汇讲解（ppt课件）-2023新人教版（2019）《高中英语》必修第一册.pptx

1、WELCOME UNITA thousand-mile journey begins with the first step.-Laoziwrite a student profileIn this unit,you will12345read about a students first day of schoolhear and talk about choosing and registering for courseslearn about first-year senior high school students in different countriesObjectives:P

2、eriod1Vocabulary exchangeformalanxiousfrighteneddesignseniorconcentrateexplorecuriousimpress词类转换change v.改变；替代；交换；n.零钱 用法exchange sth.(with sb.)与（某人）交换exchangev.交换；交流；交易；兑换n.交换；交流 exchange sth.for sth.用某物换取某物in exchange for 作为交换运用1.Id like to exchange a watch _a camera2.Tom exchanged gifts _ John.3.

3、I gave tom my storybook _ exchange for his picture book.forwithexchange in词类转换designer n.设计者 用法design sth.for sb./sth.为设计 designn.设计；设计方案vt.设计；筹划by design 故意地design sth.to do sth.故意让去做运用1.They asked me to design a poster _ the campaign.2.This project is designed _(help)homeless people.3.It was hard

4、to know whether it happened _ design.for to helpbydesign词类转换form v.形成；出现；n.形式；样式；类型 formaladj.正式的；正规的informal adj.非正式的；日常的；随意的 formally adv.正式地；形式上地运用She has a very _(form)manner,which seems unfriendly.formal词类转换anxiously adv.焦虑地 用法be anxious for sb./about sth.为某人/某事忧虑be anxious to do sth.渴望做某事be an

5、xious that.渴望(从句谓语用should do,should可省略)with anxiety 焦虑地anxiousadj.焦虑的；不安的 anxiety n.担心；焦虑；渴望运用1.Your mother_（非常担心你）You shouldnt have left home without a word2.We were anxious that everyone _(know)the truth.3.He was anxious_(leave)and he could not hide his _(anxious).was really anxious for you(should

6、)knowto leaveanxietyanxious词类转换frighten v.使惊吓；使惊恐 frightening adj.令人惊恐的；可怕的用法be frightened of sth.害怕 be frightened to do sth.害怕去做be frightened by sth.被吓坏frightenedadj.惊吓的；害怕的 运用1.The little girl is not frightened _ dogs.2.She _(frighten)by the shadow of the tree.3.She was very frightened _ (look)dow

7、n from the top floor of the building.4.This _(frighten)film really makes the girls _(frighten)to lookofwas frightened frightenedfrighteningfrightened词类转换反义词：junior adj.级别低的；n.青少年；职位较低者用法be senior to:较.年长；职位较高be junior to:较.年幼；职位较低senior high school（美国）高中junior high school（美国）初级中学senioradj.级别（或地位）高的n

8、.较年长的人运用1.She is senior _me,since she join the company before me.2.The newcomer _（比我年幼）by two years.3.In our culture,_(senior)are to be respected.tois junior to meseniorssenior词类转换impression n.印象；影响 impressive adj.令人赞叹的；引人瞩目的 用法impress sb.(by/with sth.)使对印象深刻make/leave an impression on 给留下印象impressv

9、t.使钦佩；给留下深刻的好印象 vi.留下印象；引人注目运用1.The _(impress)he made on me was that he was warm-hearted2.The foreign tourists _(impress)by the rapid development of China.3.This is one of the most _(impress)novels of recent years.impressionare impressedimpressiveimpress词类转换concentration n.专心；专注；集中 用法concentrate on

10、sth.集中精力于focus on sth.集中注意力于be absorbed in sth.沉浸于concentratevi.&vt.集中注意力；聚精会神运用1.The classroom was so noisy that I couldnt concentrate _my study.2.Tiredness affects your powers of _(concentrate).3.When I entered the room,he _(absorb)in reading.onconcentrationconcentratewas absorbed词类转换annoying adj.

11、讨厌的；恼人的 annoyed adj.恼怒的；烦闷的 annoyance n.烦恼用法be annoyed with/at/by.对感到厌烦annoyvt.使恼怒；打扰运用1.His life now is much easier and nothing can make him _(annoy)2.To her _(annoy)the stranger did not go away.3.Her most _(annoy)habit was eating with her mouth openannoyedannoyanceannoyingannoy词类转换curiously adv.好奇

12、地 curiosity n.好奇心 用法be curious about sth.对好奇be curious to do sth.想做out of curiosity 出于好奇curiousadj.好奇的；求知欲强的运用1.He was curious _ everything he saw.2.I was curious _(find)out what she had said.3.The letter wasnt addressed to me but I opened it out of _(curious).aboutto findcuriositycuriousSummary&HomeworkUse the words and expressions to make sentences.exchangeformalanxiousfrighteneddesignseniorconcentrateexplorecuriousimpressTHANKS!