《Lets Sort Garbage》Save Our World! PPT课件

Let'sSortGarbage!Unit8SaveOurWorld!TounderstandthetextTousethewordscorrectly:emptysortlitterobjectivesReviewVocabularysortemptymetalplasticrecycleamountlitterv.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n.垃圾v.使乱七八糟；乱扔sortthegarbageglassmetalplasticpaperpackagingandothersListenandanswer.WhatdoesJennywanttodotohelpJenny?Shewantstohelphimsortthegarbage.Whatmakesthemostgarbage?Paper.WhatwillDannydowiththetoycar?Hewilltakethecarhomeandcleanit.Whenhefinishfixingthecar,hewillgiveittohislittlecousin,Debbie.PLASTICMETALGLASSPAPERPaperisthemost.Glassistheleast.Thereismorepaperthanplastic.Thereislessmetalthanplastic.Readthelessonandwritetrue(T)orfalse(F).1.Thereisalotofgarbage:glass,metal,plasticandpaper.()2.Thereisthemostamountofglassandtheleastamountofpaper.()3.DannyfoundDebbie’stoycarinthegarbage.()4.Dannyoncecuthisfootonapieceofbrokenglass.()TFFTCirclethewordsthat“it”referstoineachsentence.Example:Itisawastetousepaperonlyononeside.1.Itisfuntotravel.2.Itisnotrighttowastethings.3.Itisquiteeasytofindinformationwiththisprogram.4.Theythinkitisrudetopointwithafinger.5.Itisdangeroustoleavebrokenglassontheground.empty:v.倒空adj.空的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。1.Jennyhasemptiedtwobagsofgarbageontothefloor.sort:v.分类Theysortedtheorangesintolargeonesandsmallones.他们把橘子按大小分类。Pleasesortthesecardsaccordingtotheircolour.请按颜色将这些卡片分开。2.CanIhelpyousortit?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Theflowersshouldbewateredeveryday.花儿应该每天浇水。Carsmustn’tbeparkedhere.小轿车不可以停放在这里。ChildrencanbetakentothecinemafreeonChildren’sDay.3.Almostallofitcanbereusedorrecycled!2)re-是前缀，意思是“再，重新”。例如，rewrite,replay,reappear,rebuild,remarry等。reuse意思是“重新使用，再使用”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”Theyrecycleemptytinssoastousethemetal.他们回收空罐头盒以利用其金属。toomuch:toomany:muchtoo: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。太多，修饰可数名词的复数。太……，修饰原级。4.Peoplethrowtoomuchaway!1.去年雨水太多。Therewas__________rainlastyear.2.不要吃得太多,否则你会生病的。Don’teat________,oryou’llgetill.3.这个比那个大得多的多。Thisoneis________biggerthanthatone.4.汽车太多。Thereare_____________cars.5.收音机太吵了，请关掉它。Theradiois_________noisy.Pleaseturnitoff.toomuchtoomuchtoomuchtoomanymuchtootheleastamountof意为“数量最少的……”Thefastestteamdroppingtheleastamountofhotpepperswins.速度最快而且辣椒掉的最少的队获胜。5.Thereistheleastamountofglass.canbedone是含有情态动词的被动语态。fix相当于mend和repair，意思是“修理，修补”，但fix较为口语化。mend除可以表示一般性修理外，还可以用来表示对衣服等进行修改或修补。6.Itcanbefixed.7.Itcanallberecycled,andmadeintonewglass.bemadeinto…被制成……Hewillmakethisskinintoleather.他将把这张皮制成皮革。Wecanmakeglassintobottles.我们能把玻璃制成瓶子。Using“it”1)Itisawastetousepaperonlyononeside.2)Itisfuntotravel.3)Itisnotrighttowastethings.4)Itisquiteeasytofindinformationwiththisprogram.5)Theythinkitisrudetopointwithafinger.6)Itisdangeroustoleavebrokenglassontheground.7)It’snecessarytodiscusstheproblemwithanexperiencedteacher.8)Itisnotverygoodforyoutosmokesomuch．totestyoursenseofobservationtotestyourabilityofshort-termmemorytotestyourabilitytohighlightthelanguagepointsGuess1)Itisawaste_______paperonlyononeside.2)Itisfun___________.3)Itisnotright_________things.4)Itisquiteeasy_________informationwiththisprogram.5)Theythinkitisrude_________withafinger.Fillintheblanks.tousetotraveltofindtowastetopoint6)Itisdangerous________brokenglassontheground.7)It’snecessary_________theproblemwithanexperiencedteacher.8)Itisnotverygoodforyou__________somuch．toleavetodiscusstosmoke1.Itisnotalwayseasy_____invitations.A.torefuseB.refusingC.toberefusedD.beingrefused2.Itisbadforyoureyes___computergamestoomuch.A.playsB.toplayC.playD.playing3.It_____himfourhoursandahalftodothework.A.spentB.usedC.neededD.took选择填空。4.Itwascareless_____himtobreakthecoffeecups.A.forB.toC.withD.of5.Whatapleasure___withthem!A.isittoworkB.itistoworkC.toworkD.tobeworked以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。动词不定式作主语的用法动词不定式的基本形式为“to+动词原形”，其否定形式是“not+动词原形”。它能起名词的作用，在句子中充当主语、表语、宾语和宾语补足语。动词不定式在作主语时，常用it作形式主语，而往往将动词不定式放在谓语或表语之后。It’snoteasytolearnaforeignlanguagewell.(=Tolearnaforeignlanguagewellisnoteasy.)学好一门外语不容易。在此句型中，如果要说明动词不定式的动作是谁做的，可在不定式前加一个for引起的短语，作不定式的逻辑主语。即：Itis+形容词+forsb+todosth(对某人来说做……是……)。如：It’sdifficultforustofinishthework.对我们来说，完成这项工作很困难。It’shardformetoansweryourquestion.要我回答你的问题很难。但是，如果表语是kind,nice,right,wrong,clever,polite等描述行为者的性格、品质的形容词，则应在不定式前加一个of引起的短语。即：Itis+形容词+ofsb+todosth(某人做……是……)。Itiskindofyoutohelpmewithmylessons.你帮助我做功课，太好了。Itissoniceofyoutocometoseeme.你来看我太好了。Ittakes/took+sb+sometime+todosth意为“做……花了某人多少时间”Ittakesheranhourtoreviewherlessonseveryday.她每天花一个小时复习功课。Ittookmorethan100,000slavestwentyyearstobuildtheGreatPyramid.十万多个奴隶花了20年的时间建成了那座大金字塔。Itis+名词+todosth意为“做……是……”Itisourdutytoservethepeople.为人民服务是我们的责任。Itisanhonourtomakeaspeechhere.在这儿演说很荣幸。注意：动词不定式作主语，同时有一个不定式作表语时，不能转换成“It’s…todosth.”的句型。如：[正]Toseeistobelieve.百闻不如一见。[误]It’stobelievetosee.1.Thisbeautifulbowlismadeof_____(金属).2.2.Thestreetssoone______whentherainbegan.3.Shefoundtheringwhiles______someclothes.4.Whenmyclothesarewornout,Igenerally_____them_____(扔掉).Fill