仁爱英语九年级上册Unit-2-Topic2-Section-Dppt课件

.,1,Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.,SectionD,城北学校,.,2,Grammar,None,anywhere,Everyone,everything,.,3,Indefinitepronounandadverb不定代词和副词一、构成。不定代词、副词是由some,any,no,every与thing,one,body,where等构成。E.g.something,someone,nowhere,anybody等。二、用法。1通常情况下,由some,every加后缀构成的不定代词、副词常用于肯定句；由any加后缀构成的不定代词、副词常用于疑问句、否定句中。E.g.Youwillfindyourbagsomewhere.Canyouhearanything?2.注意：当说话人希望得到肯定答复,或是表示建议、请求等意图时,something,somebody,someone也可以用于疑问句中。当要表达“任何人；任何事物”时,anything,anybody,anyone也可以用于肯定句中。E.g.Wouldyoulikesomethingtodrink?AnybodycandoitexceptTom.,.,4,1.Whichwouldyouliketodrink,teaorcoffee?_,thanks.Imnotthirsty.A.EitherB.NeitherC.LittleD.Few2.Thestudentsaredoingsomecleaning.Somearesweepingthefloor,_arecleaningthedesksandchairs.A.otherB.theotherC.anotherD.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,Exercises,.,5,Functions,_aresult（结果）,alotofrichlandhaschanged_（变为）desert.Treescanstopthewindfrom_theearth_(吹走）.Weshouldntleaverubbish_(到处).Alltheseproblemsareveryserious,_(所以)wemustdosomethingnow.,into,blowing,away,hereandthere,so,As,.,6,waterpollution,.,7,Imagineyouarewater.Pleasetellusyourfunctions,problemsandwishes.,Imwater.IusedtobeFactoriesusuallypourIwishhumanbeings,.,8,预习导纲,一.读1a内容，在文中找出下列短语并画出来然后朗读。1.似乎有最佳答案_2.从海水中提取出盐_3.解决水短缺问题_4.保护水资源_5.在这领域取得些进步_6.一天一天地_7.将近3/4的地球_8.由-覆盖_9.缺少饮水_10.使用淡水_,二.读下列句子并探究。1.1.Howcanweavoidaseriouswatershortage?译：_探究：avoid_词，意为_.其后可接名词或代词作_语，也可接_作宾语，但是不能接不定式作宾语。练一练：To_answeringmyquestions,sheleftthehall.A.offerB.escapeC.avoidD.refer想一想：除avoid仅用动名词作宾语外，还有：_（完成），_（喜欢），_（练习），_(保持），_（介意）等词。,.,9,2.Ifscientistscanfindcheaperwaystodoit,译：_Third,weshoulddiscoverwaystoreusewater.译：_探究：find意为_,着重指找到的结果。discover意为_,表示“偶然”发现客观存在的事物、真理或错误。findout意为_,常指经过研究了解或询问，找出事实真相或原理、方法。练一练：Canyou_whattimethetrainleaves?A.findB.findoutC.inventD.discoverNewton_thelawofgravitation（万有引力定律）A.foundB.foundoutC.inventedD.discovered,.,10,3.Whilenearlyoftheearthiscoveredwithwater,wearestillshortofdrinkingwater.译：_。探究：nearly_词，意为_.常可与almost换用，但在具体数字前常用nearly.not修饰nearly意为“远非”，“远不及”。almost可以修饰morethan,too,nothing,nobody,nowhere,noone,none,never等词，nearly则不行.如：Healmostknockedmedownbeforehesawme.Almostnoone(=Hardlyanyone)believesher.几乎没有人相信她练一练：Myeyesightwas_destroyedinthataccident.ThankstoDrBeker,Ienjoythebeautifulworldagain.A.completelyB.hardlyC.quicklyD.nearly,.,11,单项选择1.Weneedto_thesaltawayfromtheseawater.Butitscostis_.A.get,expensiveB.keep,cheapC.take,highD.get,low2.Althoughtheworldishungry,itis_thirstier.A.muchB.evenC.veryD.so3.Scientistshave_inreusingwatertheseyears.A.madesomeprogressB.succeededC.workedwellD.doneworst4.Becauseofwaterpollution,weare_drinkingwaterinourdailylives.A.shortofB.shortforC.pleasedwithD.angryat,.,12,1aReadthepassageandputthefollowingparagraphsinthecorrectorder.,()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.,1,2,3,.,13,1bRead1aagainandanswerthequestions.,1.Whyisourworldthirstywhenoftheearthiscoveredwithwater?2.Whatcanwedonowtoavoidthewatershortage?,Becauseabout97%ofthewaterontheearthisseawater,wecantuseitforwateringplantsordrinkingdirectly.,First,weshouldsavewaterandnotwasteit.Second,weshouldprotectourwaterresourcesandnotpollutethem.Third,weshoulddiscoverwaystoreusewater.,3.Whatwillbethebestwaytosolvetheprobleminthefutureinthepassage?,4.Doyouknowanyotherwaystosolvetheproblem?Whatisit?,Tofindcheaperwaysoftakingthesaltawayfromtheseawater.,.,14,2Discussingroupsdifferentwaysofprotectingandsavingwater.Writedownthekeyinformation.,Example:Passlaws(n.法律)againstwaterpollution.Collectandreusewastewater.,.,15,3.Writeaproposalaboutsavingwatertoallthestudentsinyourschool.,Mydearfriends,Waterisveryimportanttohumanbeings.Letsdosomethingtoprotectandsaveit.First,_.Second,_.Third,_.Letstryourbesttosavewaterandourplanet.,_,.,16,Mydearfriends,Waterisveryimportanttohumanbeings.Letsdosomethingtoprotectandsaveit.First,weshouldprotectourwaterresourcesandnotpollutethem.Thegovernmentshouldalsopasslawsagainstthewaterpollution.Second,weshouldsavewaterinourdailylife,turnoffthetapsintime,takeashowerinsteadofabath,andalwaysremembertocollectandreusewater.Third,letstrytospreadthemessageaboutprotectingandsavingwater.Makemorepeoplearoundusknowtheproblemofwatershortageandhowtohelpsolveit.Letstryourbesttosavewaterandourplanet.StudentUnion,Youcanwriteitlikethis.,.,17,Project,MakingPostersAboutNaturalResources,Dividetheclassintoseveralgroups:WaterGroup,TreeGroup,SoilGroupEachgroupshoulddiscusstheirownuses,theproblemsthattheyfaceandtheirwishes.Thengiveareportinclass.Example:Uses:Iamsoil.Plantscantgrowwithoutme.PeopleusemetomakemanythingsProblems:Sometimespeopleusetoomanychemicalsinthefields.Whatsworse,theyputwasteintothelandSoImhurt.Pleasehelpme.Wishes:Ihopehumanbeingscanprotectandtakecareofme.AndthenIcoulddomoreusefulthingsforthem3.Makesomeposterswiththeresult.,.,18,Exercises,Ifwewanttousetheseawater,wemust_(拿走）thesaltfromtheseawater.Howcanwe_(避免)aseriouswatershortage?Weshould_(找到)waystoreusewater.Peoplesneedforwaterisincreasing_(一天天).Althoughtheworldishungry,itiseven_(更渴的)While_(几乎，差不多)oftheearthiscoveredwithwater,wearestillshortofdrinkingwater.,takeaway,avoid,discover,daybyday,thirstier,nearly,.,19,1.HowdidyougettheMP4,fromashoporbyphone?_.Ialwayslikeshoppingonline.A、NoneB、NeitherC、BothD、All2.Thetrees_wellifwe_them.wontgrow;donttakegoodcareofB.dontgrow;donttakegoodcareofC.dontgrow;wonttakegoodcar