2023学年完整公开课版EEC八上Unit10EarthDay

Unit10EarthDayLesson2设计人：哈八十四中学吴冬梅LearningAims:Understandthereadingandgrasptheuseofordinalnumbers(序数词).Trainreadingandwritingskillsandtrytofinishanexposition(说明文).Gettoknowtheimportanceoftakingcareoftheearththatweliveon.EarthDayAmannamedGaylordNelsonwasworriedthattheworldwasgettingdirtierandmoreanimalsweredying.Sohedecidedtohaveaspecialdaytoteacheveryoneaboutthethingsthatneededtobechangedinourenvironment.Withhisefforts(努力),thefirstEarthDaywasheld.ItwasApril22,1970.BeforeReading

Whatisthisreadingabout?

TheproblemoftheearthInformationaboutEarthDayHowtocelebrateEarthDayHowimportantpeoplehelpedtheearth扫读SkimmingWhileReading√Skimming:toreadquicklyandgetageneralidea.Anexpositionmeansakindofwritingthatyouintroducesomething.

Whatkindofarticleisit?

narration（记叙文）exposition（说明文）argumentation（议论文）扫读SkimmingWhileReading√Scanning:toreadforparticular(特定的)

information.Sumupthemainideaofeachparagraph.Paragraph1:___________ofEarthDayParagraph2:Informationabout________________Paragraph3:_____________todoinhonorofEarthDay跳读ScanningWhileReadingIntroductionthefirstEarthDayThings/WhatClosereading:toreadcarefully.Fillintheblanksaccordingtotheinformationofthefirstparagraph.Paragraph1IntroductionofEarthDay______isEarthDayIt’sduringthethirdweekofAprileveryyear.______isEarthDayinApril

That’sthemiddleofspring,soitisagoodtimeforplanting

treesandflowers.______dopeopledoinhonorofEarthDay…plant……cleanup……learnabout……talkbout……learnabout…研读ClosereadingWhileReadingWhenWhyWhat跳读scanningWhileReadingFillintheblanksaccordingtotheinformationofthesecondparagraph.Paragraph2InformationaboutthefirstEarthDayWhenOn____________WhereIn________Intheyear2000EarthDayhappenedforthe____timeWhathappenedatthattime_________peoplefromdifferentcountriesmettogetherand____________April22,1970America30thImportantwroteapaper研读ClosereadingParagragh3:ThingstodoinhonorofEarthDay

First,______________________________.Second,___________________________________.Third,______________________________.Fourth,____________________________________.跳读scanningWhileReadingplantanewtreedon’tthrowcansorpaperonthegroundsavewaterturnofflightsthatwearenotusing研读ClosereadingAfterReading

WhyshouldwecelebrateEarthDay?TohelptheworldTopickupgarbageTolearnsomethingTofollowimportantpeople’sideas

Fromthereading,whyisourplanetprobablyintrouble?Therearetoomanytrees.Peopledon’ttakeenoughactionThereistoomuchpollution.Wedon’thonorEarthDayinenoughcountries.√√AfterReadingOurplanetisintrouble.Doyouthinkwecanfixit?Why?Ifpeopledon’ttakeactionstohelptheearth,whatwillhappeninthefuture?WhyshouldwethinkofeverydayasEarthDay?Whatareyourideasforhelpingtheearth?ThinkanddiscussingroupsHowtowriteanexposition(说明文)GuidedWritingGiveagoodtitleforthe3rdparagraph.

EarthDayThingstodoonEarthdayHowtoprotecttheEarth?Noun(phrase)How+todo1.拟题ReadParagraph3againHowtowriteanexposition(说明文)GuidedWriting“we”or“you”Whatpersondoesthe3rdparagraphuse?

2.人称3.时态Whattenseisthe3rdparagraph?

thepresenttenseHowtowriteanexposition(说明文)GuidedWritingHowmanypartscanyoudividethe3rdparagraphinto?234三段式；总—分—总4.结构√Howtowriteanexposition(说明文)GuidedWritingHowtowritethebeginning?Step1:用一个陈述句对所说明的人或者事物进行正面的描述。Step2:用Doyou...或Howtodo…?及Howdoyou...等句型进行设问。Step3:用一句话引出笔者建议。Whatisthebeginning?Today,manycountriesdothingsinhonorofEarthDay.DoyouwanttodosomethingforEarthDay,too?Herearesomethingswecando.Step3:用一句话引出笔者建议。Otherexpressions:Herearemysuggestions.HerearesometipsforyouHereismyadvice.Herearemyideas.Howtowriteanexposition(说明文)GuidedWritingHowtowritethebody?1:用好过渡词，使层次清晰。Firstly,Secondly,Thirdly…Firstofall,What’smore…Mostimportant…Ononehand(side),Ontheotherhand(side)…2:常用句型祈使句We/Youshould…We’dbetter…Doing/Todo…is…Whatisthebody?First,plantanewtree.Second,don’tthrowcansorpaperontheground.Instead,pickupgarbagethatisontheground.Third,savewater.Fourth,turnofflightsthatwearenotusing.plantdon’tthrowpicksaveturnHowtowriteanexposition(说明文)GuidedWritingHowtowritetheend?Method1:用一个陈述句进一步提升观点，或用一个祈使句或反问的形式提出倡议。Method2:用总结性过渡词提升观点

Asweallknow…Allinall…Inaword…Method3:用if引导的条件句强调采纳意见的益处

Ifyoucanfollowmyideas,I’msure.../youwillfind...Whatistheend?

It’seasytohelp.Let’sthinkofeverydayasEarthDay.Howtomakeyourillustration(说明)powerful?Intheyear2000,EarthDayhappenedforthe30thtime.列数字Howtomakeyourillustration(说明)powerful?Somewritingskills:列数字举例子Forexample…分类别Wecandividetheminto3kinds/groups作比较Unlike…/It’sdifferentfrom…下定义Itis…作诠释Itmeans…打比方It’slike…Writeanexpositionaccordingtothepicturesgiven.WritingWhatdoyouthinkofwhenseeingthesepictures?HowtoSaveWaterMethods

forsavingwaterMin