2025年春冀教版八年级下册教学课件 U 8 Lesson 45 Let's Sort Garbage

Unit8SaveOurWorldLesson45Let'sSortGarbage!1

学习目标2

新课导入3

新课讲解

4

当堂小练5

课堂小结目录contentsMasterthenewwordsandexpressions:sort,metal,weight,percent.Callonthestudentstotakeactionstoprotectourenvironment.Learnaboutthepollutionproblemsinourlife.学习目标思考Lookatthepicture.Whenwethrowawaythegarbage,wemustsortit.Why?新课导入

THINKABOUTIT·Whatdoyoudowithyourgarbage?·Whatkindsofthingscanberecycledandreused?新课讲解Dannyemptiestwobagsofgarbageontothefloor.Jenny:That'salotofgarbage!CanIhelpyousortit?Danny:Yes,please.Let'sputtheglasshere,themetalhere,the

plastichereandthepaperhere.(Aftertheysortthegarbage,DannyandJennyaresurprised.Almostallofitcanbereusedorrecycled！Theyneedtothrowawayonlyonesmallbagofgarbage!)Jenny:Peoplethrowtoomuchaway.Theyshouldn'twastesomuch!Danny:That'sright.Look！Thereismorepaperthanplastic.And

thereislessmetalthanplastic.Thereistheleastamountofglass.Jenny:Andthemostamountispaper.Itisawastetousepaperonly

ononeside.Danny:Hey!Ifoundatoycar.Oneofthewheelsisbroken.I'lltake

thiscarhomeandcleanit.ThenI'llusesomegluetofixthe

brokenwheel.WhenIfinishfixingthiscar,Iwillgiveittomy

littlecousin,Debbie.Jenny:Nobodyshouldthrowawayatoylikethis.Itcanbefixed.

It'snotrighttowastethings.Lookatalloftheglass.Itcan

allberecycledandmadeintonewglass.Danny:Alotofglassisbroken.It'sdangeroustoleavebrokenglasson

theground.Once,Icutmyfootonapieceofbrokenglass.Jenny:Littercanhurtpeople！Languagepoint1Dannyemptiestwobagsofgarbageontothefloor.empty/'emptɪ/v.把……弄空adj.空的empty可作动词，意为“把……倒空；把……掏空”。e.g.Canyouemptytheplatesforme?你能替我把盘子里的东西倒掉吗？Languagepoint2CanIhelpyousortit?sort/sɔːt/v.把……分类，整理n.类；种类sort作动词常用短语：sortout理顺；整理

o把……分类e.g.Ittookquiteawhiletosortoutallourluggage.整理我们全部的行李花了不少时间。e.g.Hehelpedmetosortthefruitsintoapples,pearsandbananas.他帮我把水果分成了苹果、梨和香蕉。Languagepoint3Theyneedtothrowawayonlyonesmallbagofgarbage!need/niːd/v.需要实义动词needtodosth.表示主语与need后的动词存在主动关系needdoing或needtobedone表示主语与need后的动词存在被动关系情态动词引导一般疑问句时，肯定回答用must,否定回答用needn’tneed的用法Languagepoint4Oneofthewheelsisbroken.broken/brəʊkən/adj.坏的；破碎的；出了毛病的作形容词e.g.Thewindowwasbrokenlastweek.上周窗户坏了。作动词e.g.ItmustbeBillywhohasbrokentheglass.一定是比利打碎的杯子。Languagepoint5Littercanhurtpeople!litter/'lɪtə/n.(rubbish)垃圾；v.扔垃圾；使乱七八糟litter作不可数名词，意为“垃圾，废弃物”，与rubbish同义。e.g.Thereistoomuchlitterintheroom.房间里有太多的垃圾。e.g.Pilesofbooksandnewspaperslitteredthefloor.地板上乱七八糟地堆了许多书和报纸。1

Readthelessonandwritetrue(T)orfalse(F)．Let'sDoIt!1．Thereisalotofgarbage:glass,metal,plasticandpaper.()2．Thereisthemostamountofglassandtheleastamountofpaper.()3．DannyfoundDebbie'stoycarinthegarbage.()4．Dannyoncecuthisfootonapieceofbrokenglass.(

)TFFTExample：Itisawastetousepaperonlyononeside.1．Itisfuntotravel!2．Itisnotrighttowastethings.3．Itisquiteeasytofindinformationwiththisprogram.4．Theythink

it

isrudetopointwithafinger.5．Itisdangeroustoleavebrokenglassontheground.2Circlethewordsthat“it”referstoineachsentence.LearntolearnAsweknow,“it”canbeusedtorefertotime,weather,distanceorsomethingmentionedbefore.Studythesentencesabove.Canyoufindotherwaysofusing“it”？PROJECTSORTTHEGARBAGEGoforawalkaroundyourneighbourhood.Takeabagwithyouandpickupanygarbageyousee.Wearglovesbecausegarbageisdirty.Bringthegarbagetoschool.Don'tthrowitaway!Whatkindofgarbagedidyoufind?Sortthegarbage.Makeapileforpaper,plastic,metal,glassandotherthings.·Howmuchofeachtypeofgarbagedoyouhave?·Whattypedoyouhavetheleast/mostamountof?Doyouwanttothrowawaythegarbagenow?Don't!Whatelsecouldyoudowithit?Think!Couldyouusesomeofthegarbageagain?How?Howcouldpeoplemakelessgarbage?Talkaboutthisandwritedownyourideas.Nowyoucantakeoutthegarbage！Howcouldpeoplemakelessgarbage？First，peoplecanbuyfewerthings.Whentheybuyfewerthings，theythrowawayfewerthings.Second，peoplecanreusethings.Theycanusethings，andthentheyusethemagain.Third，peoplecanrecyclethings.Theycanmakeoldthingsintonewthings.词语运用1.Canyouhelpme________(分类)therubbish?2.Canyouhelpmepickupthe________(垃圾).3.Whatisthe________(数量)ofthepaper?4.Someoftherubbishis________(塑料)