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Let'sSortGarbage!Unit8SaveOurWorld!1.Beabletousethewords:sort,empty,metal,plastic,recycle,amount,litter,dowith,toomuch,givesth.tosb.,bemadeinto,apieceof,goforawalk,takeout2.Learntosortthegarbage3.Learnandmastertheusageof“it”4.Learnsomekeysentences:·Whatdoyoudowithyourgarbage？·Dannyemptiestwobagsofgarbageontothefloor.·Aftertheysortthegarbage,DannyandJennyaresurprised.·Peoplethrowtoomuchaway.·Oneofthewheelsisbroken.·It'sdangeroustoleavebrokenglassontheground.·Once,Icutmyfootonapieceofbrokenglass.garbagedeforestationThedamagedenvironmentdesertificationstarvationsortthegarbageglassmetalplasticpaperpackagingandothers•Doyoutrytowalkorrideabiketoschool?•Doyoubuynewclothesjustbecausetheyarethelatestfashions?•Doyouopenawindowinsteadofturningonair-conditioning?Whatshouldwedotoprotecttheenvironment?Discussion1.Turnlightsoff.2.Collectcansandpaper,andsellthemforrecycling.3.Tryourbesttosaveenergy.4.Rideabiketoschool.5.Usebothsidesofthepaper.6.Don'tthrowlitterawayeverywhere.sortemptymetalplasticrecycleamountv.分类；整理n.类；种类；类型v.把……弄空adj.空的n.金属n.&adj.塑料(的)v.回收再用；再循环n.量；数量litterdowithtoomuchgivesth.tosb.bemadeintoapieceofgoforawalktakeoutn.垃圾v.使乱七八糟；乱扔处理太多给某人某物被制作成……一张/一片/一块……去散步拿出；取出•Whatdoyoudowithyourgarbage?•Whatkindsofthingscanberecycledandreused?Dannyemptiestwobagsofgarbageontothefloor.Jenny:That'salotofgarbage！CanIhelpyousortit?Danny:Yes,please.Let'sputtheglasshere,themetalhere,theplastichereandthepaperhere.(Aftertheysortthegarbage,DannyandJennyaresurprised.Almostallofitcanbereusedorrecycled！TheyneedtothrowawayonlyonesmallbagofListenandreadthepassage.garbage！)Jenny:Peoplethrowtoomuchaway.Theyshouldn'twastesomuch!Danny:That'sright.Look！Thereismorepaperthanplastic.Andthereislessmetalthanplastic.Thereistheleastamountofglass.Jenny:Andthemostamountispaper.Itisawastetousepaperonlyononeside.Danny:Hey！Ifoundatoycar.Oneofthewheelsisbroken.I'lltakethiscarhomeandcleanit.ThenI'llusesomegluetofixthebrokenwheel.WhenIfinishfixingthiscar,Iwillgiveittomylittlecousin,Debbie.Jenny:Nobodyshouldthrowawayatoylikethis.Itcanbefixed.It'snotrighttowastethings.Lookatalloftheglass.Itcanallberecycledandmadeintonewglass.Danny:Alotofglassisbroken.It'sdangeroustoleavebrokenglassontheground.Once,Icutmyfootonapieceofbrokenglass.Jenny：Littercanhurtpeople!1.Thereisalotofgarbage:glass,metal,plasticandpaper.()2.Thereisthemostamountofglassandtheleastamountofpaper.()3.DannyfoundDebbie’stoycarinthegarbage.()4.Dannyoncecuthisfootonapieceofbrokenglass.()FTFTReadthelessonandwritetrue(T)orfalse(F).1Let’sDoIt!Circlethewordsthat“it”referstoineachsentence.Example:Itisawastetousepaperonlyononeside.1.Itisfuntotravel.2.Itisnotrighttowastethings.3.Itisquiteeasytofindinformationwiththisprogram.4.Theythinkitisrudetopointwithafinger.5.Itisdangeroustoleavebrokenglassontheground.2Asweallknow,“It”canbeusedtorefertotime,weather,distanceorsomethingmentionedbefore.Studythesentencesabove.Canyoufindotherwaysofusing“it”?LearntolearnGoforawalkaroundyourneighbourhood.Takeabagwithyouandpickupanygarbageyousee.Wearglovesbecausegarbageisdirty.PROJECTSORTTHEGARBAGEBringthegarbagetoschool.Don'tthrowitaway!Whatkindofgarbagedidyoufind？Sortthegarbage.Makeapileforpaper,plastic，metal,glassandotherthings.·Howmuchofeachtypeofgarbagedoyouhave？·Whattypedoyouhavetheleast/mostamountof？Doyouwanttothrowawaythegarbagenow？Don't!Whatelsecouldyoudowithit？Think！Couldyouusesomeofthegarbageagain？How?Howcouldpeoplemakelessgarbage？Talkaboutthisandwritedownyourideas.Nowyoucantakeoutthegarbage!1.Whatdoyoudowithyourgarbage？dowith处理。它常与特殊疑问词what搭配使用。例：WhatshouldIdowiththisproblem？我应该如何处理这个问题？2.Dannyemptiestwobagsofgarbageontothefloor.emptyv.倒空adj.空的例：Thestreetsbegantoemptyaftermidnight.午夜过后街上行人开始稀少了。Vargasemptiedhistoolbag.瓦格斯腾出自己的工具袋。3.Aftertheysortthegarbage,DannyandJennyaresurprised.sortv．分类；整理。常用短语：sortout把……整理好，分类。例：Imustsortoutmyclothesfortheparty.我必须把聚会上要穿的衣服整理好。例：Theflowersshouldbewateredeveryday.花儿应该每天浇水。Carsmustn’tbeparkedhere.小轿车不可以停放在这里。4.Almostallofitcanbereusedorrecycled!1)此句为含有情态动词的被动语态，其构成形式为：情态动词(can/may/must/should)+be+过去分词。2)re-是前缀，意思是“再，重新”。例：rewrite,replay,reappear,rebuild,remarry等。reuse意思是“重新使用；再使用”。例：Sheoftenreusesoldenvelopes.她经常重复使用旧信封。recycle意思是“使再循环；使……重新利用，重复利用”。例：Theyrecycleemptytinssoastousethemetal.他们回收空罐头盒以利用其金属。5.Peoplethrowtoomuchaway.【辨析】toomuch、toomany与muchtootoomuch:toomany:muchtoo:太多，修饰可数名词的复数。太……，修饰原级。太多，修饰不可数名词或修饰比较级，含有“过分，难以接受”之意。6.Oneofthewheelsisbroken.oneof………之一。它后面跟可数名词复数。它作主语时，谓语动词用第三人称单数形式。例：OneofmyfriendscomesfromCanada.我的一个朋友来自加拿大。7.It'sdangeroustoleavebrokenglassontheground.(1)该句中it是形式主语，真正的主语是“toleavebrokenglassontheground”。(2)leavev．使保留；让……处于(某种状态、某地等)。其后可接名词、形容词、动词不定式、现在分词、过去分词或介词短语充当宾语补足语。该句中“leavebrokenglassontheground”的结构为“leave＋名词＋介词短语”。例：Don'tleaveyoursocksonthesofa.不要把你的袜子放在沙发上。8.Once,Icutmyfootonapieceofbrokenglass.apieceof一张/一片/一块……它后面常跟不可数名词，但是要注意piece是可数名词。该短语作主语时，谓语动词的数取决于piece的单复数形式。例：Ihaveapieceofgoodnewstotellyou.我有一条好消息要告诉你。1.it的用法：（1）it作代词it不仅可以指代具体的物品，而且还可以指代时间、距离、路程、天气等。例：Itishalfpastfivenow.现在五点半了。Itissunnyandhotinmyhometowninsummer.在我的家乡夏季晴朗、炎热