高中英语 Unit2 Word power课件 牛津译林版必修5

教学目标通过学习与环境相关的词来描述环境污染和环境保护,倡导积极保护环境的良好意识。１学习与环境相关的词。２判断环境污染的一些现象及作简单描述。３利用构词法知识学习与环境相关的词。DiscussingtheenvironmentEnvironmentalproblemsarediscussedfrequentlyinthenews.Awholevocabularyhasdevelopedtohelpustalkabouttheenvironmentandproblemsassociatedwithit.ShangriLaisheavenofearth.Weareecotourists,we’llgotravellingthere.Whatareweinterestedin?Whattypeofhotelwillwestayin?WhatkindofenergydoesthehotelEcovilleuse?Howdoesthehotelwashthesheets?Whatothercharacteristicsdoestheenvironmentallyhotelhave?AReadthisbrochureaboutanew,environmentallyfriendlyhotelwhichisopening.Ecotouristsarepeoplewhovisitanareaanddonnotharmordamagetheecosystem.Theyareinterestedinenvironmentalprotection.Ifyouarethiskindoftourist,youwillloveEcoville.Weusenatural,safeenergyfromthesun,solarenergy,insteadofdiggingupEarthtofindfossilfuels.Nothinginourhotelcausespollution.Weevenuseeco-friendlywashingpowdertowashyoursheets.Don’thaveyournextholidayinacityfulloffactoriesthatcreateharmfulwaste.CometoEcoville,whereyouandearthwillbesafetogether.•Touristswhoarefriendlytotheenvironmentwhengo•Protectionofenvironment•Usingthesun’senergy•Fuelsuchascoal,oil,thatwasformedovermillionsofyearsfromtheremainsofanimalsorplants•Makingair,water,soiletc.dirty•Environmentalprotectedtravellingecotouristsolarenergyeco-friendlyfossilfuelenvironmentalprotectionpollutionBWhenwetalkaboutthingsthatarebadfortheenvironment,manyofthewordsthatweusearecompoundnouns.Usethecompoundnounsintheboxtolabelthepicturesbelow.clear-cutloggingopencastminingSlashandburnfarmingglobalwarmingozonelayeracidrainCHelpthemanagementofEcovillewriteanadvertisement.Fillintheblankswithwordsfromthepreviouspage.Ecoville,theperfectholidaydestination!Theconceptbehindourhotelis(1)_____________protection.Itissafeandfunforthewholefamily,evenMotherEarth!EcovillewastheideaofLiZheng,ascientist.Hewasworriedaboutglobalwarmingandtheholeinthe(2)_____________.environmentalozonelayerHewantedachancetohaveaholidayinabeautifulpartoftheworld,butnottocausedamagetothe(3)_____________ofthearea.OnenighthesawatelevisionshowaboutavillageinAfrica.ecosystemThewholevillageuses(4)_____________fromthesun.No(5)_____________areburntinpeople’shomes.Thereisnoharmfulwastefromthefactoriesbecauseitischangedbackintofuelandusedtopowerthefactories.Thecarsareallelectricandcanbepluggedintonormaloutlets.energyfossilfuelsEventhingslikesoappowderare(6)_____________products.MrLiwasveryexcitedaboutthisidea,anddecidedtobuildEcovilleexactlythesameway.NothingyoufindinEcovillecausesany(7)_____________atall.eco-friendlyharmWeevenbuiltourhotelaroundthetrees—youcanrelaxandbesurethattherewasnodamagedonetomakespaceforyourroom.Weevencheckedtomakesurethatthemetalsweusedtobuildwerenotobtainedfromcompaniesthatpractiseopencastmining.Socomeandjoinus,becomepartofthenewgenerationoftourists,(8)_____________,andspentyournextholidayinbeautifulEcoville!ecotourists•Whothoughtoftheideatobuildinenvironmentallyfriendlyhotel?•Wheredidhegethisinspiration(idea)?•WhatarethedifferencesbetweenEcovilleandotherhotels?D.Theprefix‘eco-’means‘earth’,whichcomesfromGreek.Itisusedinmanywordstotalkabouttheenvironment,suchas‘ecology’and‘eco-tourism’.Workingroups&haveacompetitiononwordsthatincludetheprefix‘eco-’.Useyourdictionaryifnecessary.eco-activityfriendlyecologytourismprotectioncatastropheHomework•Trytowriteanarticleonsomeenvironmentalpollutionandhowtosolvetheproblems.•Writeaguideonhowtobeanecotourist.教学步骤•一、导入（Lead-in）•设置一个情景：假如学生要去我国的大香格里拉地区旅游。他们是“驴友”协会的成员，要考虑做些什么？•可能的答案：二、初步学习有关环境的词阅读练习1.以课本P26的A部分为内容；2.以词义配对的练习来简单解释蓝色词的意思；3.学生分组讨论所展示的图片，鼓励学生用新词。三、巩固与环境相关的词1.广告展示——巩固相关的词。（可以将其让学生描述成他们“驴友”协会的倡议。2.拓展：可以让学生进行适度的自由发挥。四、前缀‘eco-’=environment1.让学生做猜词比赛，以熟悉相关词汇；2.词义配对展示——学生总结与eco-有关的此以扩大学生的词汇；五、拓展训练1.比赛讨论环境污染话题，鼓励用新词；2.讨论如何防治环境污染；3.作业。ThankYou!!!