All-these-problems-are-very-seriousSectionD-省公开课一等.pptx

Unit2Topic2Alltheseproblemsareveryserious.SectionD第第1页页GrammarIndefinitePronounandAdverb _of us likes pollution.Dont spit _ in public._ should care for wild animals and plant more trees.We should do _ we can to protect the environment.NoneanywhereEveryoneeverything第第2页页Indefinitepronounandadverb不定代词和副词不定代词和副词一、组成。一、组成。不定代词、副词是由不定代词、副词是由some,any,no,every与与thing,one,body,where等组成。等组成。E.g.something,someone,nowhere,anybody等。等。二、使用方法。二、使用方法。1通常情况下通常情况下,由由some,every加后缀组成不定代词、加后缀组成不定代词、副词惯用于必定句；由副词惯用于必定句；由any加后缀组成不定代词、副加后缀组成不定代词、副词惯用于疑问句、否定句中。词惯用于疑问句、否定句中。E.g.Youwillfindyourbagsomewhere.Canyouhearanything?2.注意：当说话人希望得到必定回复注意：当说话人希望得到必定回复,或是表示提议、请求等意图时或是表示提议、请求等意图时,something,somebody,someone也能够用于疑问句中。当要表示也能够用于疑问句中。当要表示“任何人；任何事物任何人；任何事物”时时,anything,anybody,anyone也能够用于必定句也能够用于必定句中。中。E.g.Wouldyoulikesomethingtodrink?AnybodycandoitexceptTom.第第3页页1.Whichwouldyouliketodrink,teaorcoffee?_,thanks.Imnotthirsty.A.EitherB.NeitherC.LittleD.Few2.Thestudentsaredoingsomecleaning.Somearesweepingthefloor,_arecleaningthedesksandchairs.A.otherB.theother C.another D.others3.Myparentsare_doctors.A.bothB.allC.eitherD.neither4.Thereis_withmycomputer.Canyouhelpme?A.wronganythingB.anythingwrongC.wrongsomethingD.somethingwrong5.Thewindwasblowingstrongly._peoplewalkedinthestreet.A.LittleB.AlittleC.FewD.Afew6.Hurryup.Thereis_timeleft.A.alittleB.littleC.afewD.few第第4页页Functionsp_ a result（结果）,a lot of rich land has changed _（变为）desert.pTrees can stop the wind from _ the earth _(吹走）.pWe shouldnt leave rubbish _(处处).pAll these problems are very serious,_(所以)we must do something now.intoblowingawayhereandtheresoAs第第5页页waterpollution 第第6页页Imagineyouarewater.Pleasetellusyourfunctions,problemsandwishes.Imwater.IusedtobeFactoriesusuallypourIwishhumanbeings第第7页页1aReadthepassageandputthefollowingparagraphsinthecorrectorder.()Theseaseemstohavethebestanswer.Thereisplentyofwaterinthesea.Butweneedtotakethesaltawayfromtheseawater.Thisisveryexpensive.Ifscientistscanfindcheaperwaystodoit,wecansolvetheproblemoftheshortageofwater.()Howcanweavoidaseriouswatershortage?First,weshouldsavewaterandnotwasteit.Second,weshouldprotectourwaterresourcesandnotpollutethem.Third,weshoulddiscoverwaystoreusewater.Scientistshavemadesomeprogressinthisfield.Today,somelargecitiesarereusingtheirwater.Butpeoplesneedforwaterisincreasingdaybyday.Westilldonthaveenoughwater.Whatelsecanwedo?()Althoughtheworldishungry,itiseventhirstier.Whilenearlyoftheearthiscoveredwithwater,wearestillshortofdrinkingwater.Thisisbecauseabout97%ofthewaterontheearthisseawater.Sowecantuseitforwateringplantsordrinkingdirectly.Humanscanonlydrinkandusefreshwaterfromplacesincludingrivers,lakesandunderground.第第8页页名词名词avoid代词代词动名词动名词v.预防，防止预防，防止v.发觉，找到发觉，找到e.g.Heavoidedansweringmyquestions.不定式不能够做宾语。不定式不能够做宾语。1.Howcanweavoidaseriouswatershortage?我们怎样我们怎样防止水资源短缺呢？防止水资源短缺呢？2.weshoulddiscoverwaystoreusewater.我们需要找到我们需要找到再利用水方法。再利用水方法。第第9页页thirstyadj.缺水缺水;（口）渴（口）渴nearly adv.几乎，快要几乎，快要nearly与与almost区分区分：almost多表示时间、程度、距离、进度，多表示时间、程度、距离、进度，且且almost能够修饰能够修饰morethan,too,nothing,nobody,nowhere,noone,none,never等词，等词，nearly则不行。则不行。nearly只与只与not连用。连用。e.g.Ihavealmostneverseenhim.Inearlydidnthearwhattheteachersaidinclass.3.Althoughtheworldishungry,itiseventhirstier即使世界是饥饿，不过他更渴。即使世界是饥饿，不过他更渴。4.Whilenearlyoftheearthiscoveredwithwater,wearestillshortofdrinkingwater.尽管地球差不多四分之三都被水覆盖，我尽管地球差不多四分之三都被水覆盖，我们依然缺乏饮用水。们依然缺乏饮用水。第第10页页1bRead1aagainandanswerthequestions.1.Whyisourworldthirstywhenoftheearthiscoveredwithwater?2.Whatcanwedonowtoavoidthewatershortage?Becauseabout97%ofthewaterontheearthisseawater,wecantuseitforwateringplantsordrinkingdirectly.First,weshouldsavewaterandnotwasteit.Second,weshouldprotectourwaterresourcesandnotpollutethem.Third,weshoulddiscoverwaystoreusewater.3.Whatwillbethebestwaytosolvetheprobleminthefutureinthepassage?4.Doyouknowanyotherwaystosolvetheproblem?Whatisit?Tofindcheaperwaysoftakingthesaltawayfromtheseawater.第第11页页2Discussingroupsdifferentwaysofprotectingandsavingwater.Writedownthekeyinformation.Example:1.Passlaws(n.法律)againstwaterpollution.2.Collectandreusewastewater.第第12页页3.Writeaproposalaboutsavingwatertoallthestudentsinyourschool.Mydearfriends,Waterisveryimportanttohumanbeings.Letsdosomethingtoprotectandsaveit.First,_.Second,_.Third,_.Letstryourbesttosavewaterandourplanet._第第13页页Mydearfriends,Waterisveryimportanttohumanbeings.Letsdosomethingtoprotectandsaveit.First,weshouldprotectourwaterresourcesandnotpollutethem.Thegovernmentshouldalsopasslawsagainst the water pollution.Second,we should savewaterinourdailylife,turnoffthetapsintime,takeashower instead of a bath,and always remember tocollectandreusewater.Third,letstrytospreadthemessage about protecting and saving water.Makemore people around us know the problem of watershortageandhowtohelpsolveit.Letstryourbesttosavewaterandourplanet.StudentUnionYou can write it like this.第第14页页MakingPostersAboutNaturalResources 1.Dividetheclassintoseveralgroups:WaterGroup,TreeGroup,SoilGroup2.Eachgroupshoulddiscusstheirownuses,theproblemsthattheyfaceandtheirwishes.Thengiveareportinclass.Example:Uses:I am soil.Plants cant grow without me.People use me to make many things Problems:Sometimes people use too many chemicals in the fields.Whats worse,they put waste into the land So Im hurt.Please help me.Wishes:I hope human beings can protect and take care of me.And then I could do more useful things for them 3.Makesomeposterswiththeresult.第第15页页1.Ifwewanttousetheseawater,wemust_(拿拿走）走）thesaltfromtheseawater.2.Howcanwe_(防止防止)aseriouswatershortage?3.Weshould_(找到找到)waystoreusewater.4.Peoplesneedforwaterisincreasing_(一一天天天天).5.Althoughtheworldishungry,itiseven_(更渴更渴)6.While_(几乎，差不多几乎，差不多)oftheearthiscoveredwithwater,wearestillshortofdrinkingwater.takeawayavoiddiscoverdaybydaythirstiernearly第第16页页Welearn:1.somewords:avoid,discover,thirsty,nearly,law2.somephrases:daybyday,beshortof3.somesentences:(1)But peoples need for water is increasing day by day.(2)While nearly of the earth is covered with water,we are still short of drinking water.Wecan:1.Talkaboutwaysofsavingwater.2.Summarizeandusetheindefinitepronounandadverbcorrectly.3.Writeaproposal.Summary第第17页页AssignmentpRead1a.pReviewtheusefulexpressionsandkeysentenceswhichwelearninthistopic.pPreviewSectionAinTopic3.第第18页页