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1、8B U1TreesHave fun！ALets begin!Words1.average (adj.)平均的；普通的 词组1：on average 平均；通常e.g.4,000 people a year die of this disease on average.词组2：below/above average 平均以下/上an average student 一名普通学生 average height 平均身高be of average height 中等身高:【拓展】average(n.)平均数Words2.fighter (n.)c 斗士；战士 e.g.The police fina
2、lly arrested those fighters.【拓展】(1)fight (n.)c 打架，战斗e.g.The two boys had a fight.a/the fight against sth.e.g.We are beginning to break through in the fight against cancer.(2)fight (v.)(fought/f:t/;fought)打仗；打架；争论 fight sb./sth.与.作斗争fight with sb.和某人打架fight for sth.为.而斗争 e.g.The heroes all fought for
3、 freedom.Words3.fact(n.)事实c；现实u；实际ue.g.It is a fact that my English speaking skills are getting better.e.g.We have to face the fact that the earth is polluted.词组：in fact 事实是；事实上e.g.She doesnt like him much-in fact,I think she hates him!=as a matter of fact【近义】truth (n.)事实【反义】fiction (n.)虚构的事【拓展】fact
4、or(n.)因素；要素factual(adj.)事实的：factual information 事实信息Words4.interest(n.)兴趣(v.)使.感兴趣 interested(adj.)感兴趣的-interesting(adj.)有趣的 词组1：be interested in sth./doing sth.=show interest in sth./doing sth.=be keen on sth./doing sth.=be fond of sth./doing sth.词组2：keep sb.interested in sth./doing sth.使某人对.感兴趣词组3
5、：places of interest 名胜古迹=tourist attractionsWords5.suppose(v.)think(sth.to be true)认为；推想；假设 e.g.I suppose youre right.e.g.Scientists supposed that the earth will run out of its resource in the 20 years.词组：be supposed to do sth.=should do sth.【注意】suppose（that），表示猜测、认为，若主句是否定形式，用法同guess/think/believe，
6、且主语为第一人称，应将否定前移到主句；中文翻译相反；反义疑问句反在从句。e.g.I dont suppose his answer is right.我认为他的答案是不正确的。I dont suppose his answer is right,is it?Words6.breathe(v.)/bri/take in or let out air through your nose and mouth 呼吸e.g.The air was so cold that we could hardly breathe词组：breathe in吸入（气体）=take inbreathe out呼出（气体
7、）e.g.Humans take in oxygen and breathe out carbon dioxide【拓展】breath/bre/(n.)呼吸take a deep breath 深呼吸=breathe deeplybe out of breath 上气不接下气；喘不过气来hold ones breath 屏住某人的呼吸1.Most people dont realize that they are _ polluted air.3.His illness is the result of _ in harmful gases over many years.4.Trees pr
8、oduce enough oxygen for us to _(breath).5.It can help you calm down to _ deeply.(breath)Exercise(breath)1.Most people dont realize that they are _ polluted air.2.His illness is the result of _ in harmful gases over many years.3.Trees produce enough oxygen for us to _.4.It can help you calm down to _
9、 deeply.breathebreathbreathingbreatheWords7.pure (adj.)纯的，纯粹的；纯净的 e.g.We need pure water.e.g.The water in mountain rivers is usually pure.流经山间的河水通常是纯净的。e.g.She speaks pure French.她讲一口纯正的法语。【拓展】purity(n.)纯洁 purely(adv.)=only/completely 仅仅；完全e.g.I saw the letter purely by chance.purify(v.)净化e.g.purify
10、 waterWords9.release(v.)释放；放出（气体）；宣泄（情感）=let out=set free=give offe.g.release the prisoners 释放囚犯词组：release into 释放到.中 e.g.release oxygen into the air 【拓展】release (n.)释放；解脱 e.g.She expects an early release from prison.她希望早一点儿出狱。=She expects to be released early from prison.8.gas(n.)气体c/u；煤气u；汽油u e.g.
11、several different kinds of gase.g.greenhouse gas 温室气体Words10.produce(v.)生产=make/grow；使.产生，导致=bring aboute.g.I hope our company will produce something like Huawei P50 in the nearest future.e.g.The medicine produces a feeling of sleepiness.【拓展】product (n.)产品；产物e.g.dairy/meat productsproduction(n.)生产；产
12、量e.g.The factory produces many nice products every year.The production is rising sharply.producer(n.)生产商；制片人e.g.French wine producerWords11.living(adj.)活着的（作定语，放在名词前）(n.)u 生活方式 way of living【拓展】alive(adj.)活着的（做表语，放在名词后或动词后）：keep/stay alivelive(adj.)直播的：a live skating race (v.)生存，生活：live a busy lifel
13、ively(adj.)活泼的：a lively classroom/picture12.scientist(n.)科学家【拓展】science(n.)科学：science bookscientific(adj.)科学的scientific study/research 科学研究Words13.natural(adj.)/ntrl/自然的；自然界的 natural disaster/resources 自然灾害/资源e.g.It is natural for a cat to catch mice.猫捉老鼠是本能。【拓展】nature(n.)/net(r)/自然，自然界；天性 laws of n
14、ature 自然规律e.g.We need to be closer to the nature.e.g.She is very sensitive by nature.她生性很敏感。naturally(adv.)顺理成章地，自然地；天然地；天生地e.g.She is naturally very sensitive.Words14.warn(v.)warn sb.(not)to do sth.warn sb.of/about sth.警告某人某事【拓展】warning(n.)warning of sth./doing sth.15.protectby doing sth.通过保护.e.g.T
15、he old man protect the wild animals by driving away the hunters.protect sb./sth.from sth./doing sth.保护远离 stop/keep/preventfrom sth./doing sth.阻止.远离 save from 从中拯救.Words16.chemical(n.)c 化学药剂；农药 produce a chemical 产生一种化学成分e.g.Chemicals can kill the insects in the fields.【拓展】chemical(adj.)化学的：chemical
16、elements 化学元素；chemical reactions 化学反应chemistry(n.)化学：chemistry teacher/laboratory/experimentschemist(n.)化学家；药剂师17.nasty(adj.)=unpleasant 极差的；令人厌恶的 nastier-nastiesta nasty habit/temper 坏习惯/脾气e.g.Some people think durian has a nasty taste.Words18.join(v.)connect 连接join A to/and B 把A和B接起来jointogether将连
17、在一起 e.g.The trees nearby can join their roots together.【区分】join=become a member of +organizationtake part in+activity=join in=participate inenter for 报名参加：enter for a race/an English competition/an examination attend（需点名的）活动：attend class/a meeting/a lecture/a wedding.Wmunicate(v.)交流；communicate with
18、 sb.与某人交流e.g.We students should communicate with our parents.传达（想法、感情）communicate sth.to sb.把.传达给某人e.g.He was eager to communicate his ideas to his group.【拓展】communication(n.)u 沟通；通讯 communication technology/system 通讯技术/系统【区别】exchange&communicateexchange student/ideas/information/gifts 交换生/交流想法/交换信息
19、/交换礼物communicate information传达消息Words20.burn(v.)-burnt-burnt/burned-burned 燃烧；着火；使烧焦/烫伤e.g.People used to burn an oil lamp to get light.词组：burn up sth.烧毁burn out sth./sb.燃尽；用尽 be burnt out 被燃尽；消耗殆尽e.g.The building is completely burnt out.e.g.I was burnt out after I finished the work.【拓展】burnt/burned
20、(adj.)烧焦的；烫伤的e.g.Your hand looks badly burnt.burning(adj.)燃烧着的；炙热的e.g.the burning sun/face 炙热的阳光/滚烫的脸 sunburn u(n.)晒伤sunburnt(adj.)晒伤的：sunburnt skinWords22.hardly(adv.)几乎不=almost not=seldom=rarelye.g.It hardly snows here in winter.hardly=almost not,not any=nohardly any of=almost none of同理 hardly eve
21、r=almost never【拓展】hard(adj.)坚硬的；困难的 e.g.They lived a hard life after the disaster.(adv.)努力地；剧烈地e.g.It was raining hard last night.21.replace(v.)take the place of.取代replace sb./sth.with/by sb./sth.e.g.It is not healthy to replace meals with snacks.【拓展】take place=happenreplacement(n.)替换；替代者汇报时间：2023年1月汇报人：Ivy Xu谢 谢您 的观看THANK YOU FOR WATCHING