Unit 3 Words and expressions (2) 词汇(ppt课件)-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Unit 3 单词课件（2）pete vi.竞争；对抗 competition competitor competitive n.比赛 n.竞争者；对手 adj.有竞争力的 compete in compete for compete with/againstfor compete to do 参加比赛；在方面竞争 为而竞争 为争取.而与对抗/竞争竞争做某事竞争做某事1.Life is like a long race in which we compete _ others to go beyond ourselves.2.No one can entirely keep away from

2、 the _(compete)world.with/againstcompetitive16.pretend vi.&vt.假装；装扮 pretend to do sth pretend to be doing sth pretend to have done sth pretend that 假装做某事 假装正在做某事 假装做了某事假装假装（1）他假装对那本书感兴趣。He pretended _ the book.（2）孩子们假装他们是恐龙。The children pretended that _.（3）She pretended _she was not at home when we

3、rang the bell.to be interested inthatthey were dinosaurs17.even if/though 即使；虽然(1)在even if/though引导的让步状语从句中,如果主句和从句都表示将来的动作,从句要用一般现在时来表示将来时。I will go to the beach even if/though it rains tomorrow.明天即使下雨我也要到海边去。(2)在even if/though引导的让步状语从句中,如果主句的主语和从句的主语一致,且从句中有be动词时,可以把从句的主语和be动词省略。The man is so stra

4、nge that he never speaks even if(he is)asked to.那个人太奇怪了,即使问他,他也不说话。（1）即使我们在工作中取得了很大的成绩，也不应该自满。_ in our work,we should not be conceited.（2）即使失败10次，我也不灰心。Ill never lose heart _.Even if/though we achieve great successeven if/though I fail ten times18.cheat vi.作弊；舞弊vt.欺骗；蒙骗n.欺骗手段；骗子 cheat on sb cheat sb

5、(out)of sth 对不忠骗取某人某物骗取某人某物A student will be immediately punished if he is found _ in the exam.A.cheatB.to cheatC.cheated D.cheatingDfind sb.doing sth.“发现某人正在做某事发现某人正在做某事”，doing作宾补。作宾补。19.posoitive adj.积极的，正面的积极的，正面的be positive about 对对.有信心有信心/积极乐观积极乐观adv.positively 积极地积极地negative 负面的，消极的，否定的负面的，消极的

6、，否定的20.diet n.规定饮食；日常饮食 vi.节食balanced dietbe/go on a dietlight diet 均衡饮食 节食，减肥 易消化的饮食；清淡饮食 21.宁愿做宁愿做而不愿做而不愿做.(1)prefer to do rather than do (2)would do.rather than do =would rather do than do.我宁愿去遛狗也不愿在家看电视。我宁愿去遛狗也不愿在家看电视。I prefer to walk the dog rather than watch TV at home.I would walk the dog rat

7、her than watch TV at home.I would rather walk the dog than watch TV at home.22.cutout 停止做（或使用、食用）；剪下 cut down cut up cut off cut in cut through 砍倒；削减，压缩 切/破碎 切断，停掉；隔绝，挡住 插嘴 开辟（出路或通道）1.Deserts are also created because people _ trees and dig up grass.2.The flood _ their supplies to the small village.3

8、.The article is too long.Youd better _ the unimportant details.cut downcut offcut parewith/to 与比较compare A to B把A比作B comparison:n.比较比较by/in comparison 与与相对比相对比make a comparison 进行对比进行对比1._(compare)with/to many young people of his age,he also likes playing computer games.2.I now regularly compare my views _ those of many others.Comparedwith/to24.stress n.压力，紧张，重音压力，紧张，重音be under stress 在压力下在压力下cause/reduce stress 引起引起/减轻压力减轻压力suffer from stress 承受压力承受压力vt.强调，重读强调，重读vi.焦虑不安焦虑不安stressed:adj.焦虑的，紧张的焦虑的，紧张的stressful：adj.充满压力的充满压力的