Unit 1 课时5 Section B2a-2c （课件）2025-2026学年人教版九年级上册英语

Unit1TheChangingWorldSectionBVocabularyinUse

人教版九年级上册英语Bytheendofthelesson,studentswillbeableto:1.formcommoncompoundwordsandusetheminsentencesandcontext.2.understandandretellthestoryofSaihanba’senvironmentaltransformationusingcorrectwordforms.3.appreciatetheimportanceofhardworkandgovernmentsupportinfightingdesertification.LearningObjectivesLeadin01WordBuilding02Vocabularyin

Sentences03VocabularyinContext

04Summary05Languagepoints06Exercise07Homework08Contents

01LeadinWatchavideo.

02WordBuildingLet'slearn.Compoundwords

（合成词）:是把两个或两个以上的独立单词组合在一起，形成的一个具有新意义的新词。根据书写形式分成三种2.连字符式：用连字符连接。eg.mother-in-law(岳母/婆婆),check-in（登记),passer-by（路人),make-up（化妆品）well-known（著名的）1.闭合式：连在一起写。eg.sunflower(向日葵),rainbow(彩虹),keyboard(键盘),playground(操场),bedroom(卧室),mailbox（邮箱）3.开放式：分开写，但意义是一个整体。eg.

icecream(冰淇淋),highschool(高中),postoffice(邮局),busstop（公交站）Useawordontheleftandawordontherighttocreateacompoundword.2agreensandhighfarmrailstormwaylandhouseroadgreenhousesandstormhighwayfarmlandrailroadWhatothercompoundwordsdoyouknow?eggplant茄子pineapple

菠萝firefly萤火虫scarecrow

稻草人

03VocabularyinSentences

Completethesentenceswiththewordsinthebox.2bTheroadusedtobenarrowanddirty.Now,itis______andclean.The______madeitconvenientforthevillagerstotravelacrosstherivertothecity.3.Beijing,China's______,hostedthe2008SummerOlympicsandthe2022WinterOlympics.4.Ourfarmhasalotoflayinghens.Theyfeedon______,vegetables,andinsects.5.Adigital________issomethingyousellonlineanddoesn'thaveaphysicalform.product

corn

bridge

wide

capitalwidebridgecapitalcornproduct产卵鸡Chooseoneortwowordsandmakeyourownsentences.

04VocabularyinContextWatchandanswerDoyouknowwhereitis?Canyouguesswhatitlookedlikebefore?In1962,WangShanghaimovedwithhisfamilyfromtheirhouseinChengdetothe______landsofSaihanba.Therewerefewtreestoholdthe______together,andtherewereoften___________.Temperatureswerebelowfreezingduringthewinter.Lifetherewasverydifficult.Withsupportfromthe____________,WangShanghailedagroupof369peoplewhoweredeterminedtomaketheenvironmentofSaihanbabetter.Overthenext60years,workersplanted______andtrees,creatingtheworld’sbiggestman-madeforest.Today,Saihanbaisknownas"thegreenmiracle".Thisisthe______ofhardworkandpeopleworkingtogether.Now,thelandiscoveredwithgreentreesandthewateriscleanandfresh.Completethepassagewiththecorrectformsofthewordsinthebox.2cgovernment

bush

sandstorm

result

sandy

soilgovernmentsandstormsresultbushsoilsandyReadandanswer1.WhatwasSaihanbalikein1962?Itwassandywithfewtrees.Thesoilcouldn’tbeheldtogether,sothereweremanysandstorms.Winterswerebelowfreezingandlifewasveryhard.2.What’sSaihanbalikenow?Thelandiscoveredwithgreentreesandthewateriscleanandfresh.3.HowdidSaihanbachange?ReadandanswerBecauseitusedtobeasandywastelandwithnolife,butnowit’scoveredwithgreentreesandcleanwater.Thistransformationislikeamiracle.4.Whyisitcalled“thegreenmiracle”??Welearnthatwithhardwork,determination,andteamwork,wecansolveseriousenvironmentalproblemsandcreateabetterworld.5.WhatcanwelearnfromtheSaihanbastory?Futherthinking1.WhatotherstoriesdoyouknowaboutChina’senvironmentalachievements?2.Whatcanwedoasastudenttohelptheenvironment?TheThree-NorthShelterbeltForestProgram(GreatGreenWall),ortheimprovementofairqualityinBeijing.planttreessavewaterrecyclepapernotwastefoodsavewaterreduce,reuse,recyclesaveelectricity

05SummaryCompoundwords

（合成词）:是把两个或两个以上的独立单词组合在一起，形成的一个具有新意义的新词。Summary

06LanguagePointsLanguagepoints1.Adigitalproductissomethingyousellonlineanddoesn'thaveaphysicalform.

数字产品是指你在网上销售的、没有实体形态的东西。product/ˈprɒdʌkt/（n.）产品produce（v.）生产production（n.）生产productive（adj.）多产的例讲句eg.Ane-bookisadigitalproductwithoutaphysicalform.

一本电子书就是没有实体形态的电子产品。Languagepoints2.Beijing,China'scapital,hostedthe2008SummerOlympicsandthe2022WinterOlympics.北京是中国的首都，举办了2008年夏季奥运会和2022年冬季奥运会。例讲句capital/ˈkæpɪtl/（n.）首都；资本；大写字母搭配：capitalcity首都/capitalletter大写字母

makecapitalfrom从…获利eg.ParisisthecapitalofFrance,famousforartandculture.

巴黎是法国的首都，以艺术和文化闻名于世。Languagepoints3.Theroadusedtobenarrowanddirty.Now,itiswideandclean.

这条路过去又窄又脏。现在又宽又干净。wide/waɪd/（adj.）宽的；广泛的反义词：narrow（窄的）width（n.）宽度、广度搭配：wideriver（宽阔的河流）、wideknowledge（广泛的知识）例讲句eg.1.Theriveristoowidetoswimacross.这条河太宽了，而不能游过去。

2.Shehasawidesmile.

她笑容灿烂。LanguagepointsmovefromAtoB从A地搬到B地sandylands沙质土地holdthesoiltogether保持土壤不流失belowfreezing零度以下withsupportfromsb.在某人的支持下bedeterminedtodosth.决心做某事overthenext+时间段在接下来的……时间里man-madeforest人造森林beknownas+名称被称为……theresultofsth.是……的结果becoveredwithsth.被……覆盖

07Exercise一、选词填空。1.Theriverisvery______(wide/bridge),soweneedaboattocross.2.A_________(capital/product)issomethingyoubuyorsell,likeaphoneorabook.3.Beijingisthe______(corn/capital)ofChina.4.Afterthestorm,the______(soil/bush)wasfullofwater.5.A___________(sandstorm/greenhouse)canmaketheskyturnorangeandreducevisibility.wideproductcap