仁爱版九年级上册英语课件：Unit2SavingtheEarthSectionD

2023/5/27仁爱版九年级上册英语课件：Unit2SavingtheEarthSectionD1.砍倒，砍伐2.把……变成

3.结果

4.阻止某人做某事

5.对…..有害

6.到处丢垃圾

7.当众随地吐痰

8.踩踏草坪

9.关爱野生动物

10.最糟糟糕的是

11.一开始

12违反规则

13.在地球上；究竟

14.污染空气

15致癌

16温室效应

17.带走

18.做笔记

cutdownchangeintoasaresultstop/preventsbfromdoingsthdoharmto/beharmfultothrow/leaverubbishhereandtherespitanywhereinpublicwalkongrasscareforwildanimalsworstofallInthebeginningbreaktherulesonearthpollutetheairCausecancerthegreenhouseeffecttakeawaytakenotesGrammarIndefinitePronounandAdverb

_______ofuslikespollution.Don’tspit___________inpublic._________shouldcareforwildanimalsandplantmoretrees.Weshoulddo___________wecantoprotecttheenvironment.NoneanywhereEveryoneeverythingIndefinitepronounandadverb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.1.—Whichwouldyouliketodrink,teaorcoffee?—________,thanks.I’mnotthirsty.A.Either B.Neither C.Little D.Few

2.Thestudentsaredoingsomecleaning.Somearesweepingthefloor,________arecleaningthedesksandchairs.A.other B.theother C.another D.others

3.Myparentsare________doctors.A.both B.all C.either D.neither4.Thereis________withmycomputer.Canyouhelpme?A.wronganything B.anythingwrong C.wrongsomething D.somethingwrong5.Thewindwasblowingstrongly.________peoplewalkedinthestreet.A.Little B.Alittle C.Few D.Afew6.Hurryup.Thereis________timeleft.A.alittle B.little C.afew D.fewExercisesFunctions______aresult（结果）,alotofrichlandhaschanged_________（变为）desert.Treescanstopthewindfrom______theearth_____(吹走）.Weshouldn’tleaverubbish___________(到处).Alltheseproblemsareveryserious,_____(所以)wemustdosomethingnow.

intoblowingawayhereandtheresoAswaterpollution

Pre—reading

1.Whatarethecausesofwaterpollution?2.Whataretheeffectsofit?3.Whatshouldourgovernmentdotoavoidwaterpollution?1aReadthepassageandputthefollowingparagraphsinthecorrectorder.

()Theseaseemstohavethebestanswer.Thereisplentyofwaterinthesea.Butweneedtotakethesaltawayfromtheseawater.Thisisveryexpensive.Ifscientistscanfindcheaperwaystodoit,wecansolvetheproblemoftheshortageofwater.()Howcanweavoidaseriouswatershortage?First,weshouldsavewaterandnotwasteit.Second,weshouldprotectourwaterresourcesandnotpollutethem.Third,weshoulddiscoverwaystoreusewater.Scientistshavemadesomeprogressinthisfield.Today,somelargecitiesarereusingtheirwater.Butpeople’sneedforwaterisincreasingdaybyday.Westilldon’thaveenoughwater.Whatelsecanwedo?()Althoughtheworldishungry,itiseventhirstier.Whilenearly¾oftheearthiscoveredwithwater,wearestillshortofdrinkingwater.Thisisbecauseabout97%ofthewaterontheearthisseawater.Sowecan’tuseitforwateringplantsordrinkingdirectly.Humanscanonlydrinkandusefreshwaterfromplacesincludingrivers,lakesandunderground.1231bRead1aagainandanswerthequestions.

1.Whyisourworldthirstywhen¾oftheearthiscoveredwithwater?2.Whatcanwedonowtoavoidthewatershortage?

Becauseabout97%ofthewaterontheearthisseawater,wecan’tuseitforwateringplantsordrinkingdirectly.

First,weshouldsavewaterandnotwasteit.Second,weshouldprotectourwaterresourcesandnotpollutethem.Third,weshoulddiscoverwaystoreusewater.3.Whatwillbethebestwaytosolvetheprobleminthefutureinthepassage?4.Doyouknowanyotherwaystosolvetheproblem?Whatisit?

Tofindcheaperwaysoftakingthesaltawayfromtheseawater.

名词

avoid代词

动名词

v.防止，避免v.发现，找到Languagepointse.g.Heavoidedansweringmyquestions.

不定式不可以做宾语。1.Howcanweavoidaseriouswatershortage?我们如何避免水资源短缺呢？2….weshoulddiscoverwaystoreusewater.我们需要找到再利用水的方法。thirsty

adj.缺水的;（口）渴的nearly

adv.几乎，将近nearly与almost区别：

almost多表示时间、程度、距离、进度，且almost可以修饰morethan,too,nothing,nobody,nowhere,noone,none,never等词，nearly则不行。nearly只与not连用。e.g.Ihavealmostneverseenhim.Inearlydidn’thearwhattheteachersaidinclass.

Languagepoints3.Althoughtheworldishungry,itiseventhirstier

虽然世界是饥饿的，但是他更渴。4.Whilenearly¾oftheearthiscoveredwithwater,wearestillshortofdrinkingwater.尽管地球差不多四分之三都被水覆盖，我们仍然缺少饮用水。新知探究2Discussingroupsdifferentwaysofprotectingandsavingwater.Writedownthekeyinformation.Example:Passlaws(n.法律)againstwaterpollution.Collectandreusewastewater.……3.Writeaproposalaboutsavingwatertoallthestudentsinyourschool.

Mydearfriends,Waterisveryimportanttohumanbeings.Let’sdosomethingtoprotectandsaveit.First,________.Second,_________.Third,_________.Let’stryourbesttosavewaterandourplanet._____________Mydearfriends,Waterisveryimportanttohumanbeings.Let’sdosomethingtoprotectandsaveit.First,weshouldprotectourwaterresourcesandnotpollutethem.Thegovernmentshouldalsopasslawsagainstthewaterpollution.Second,weshouldsavewaterinourdailylife,turnoffthetapsintime,takeashowerinsteadofabath,andalwaysremembertocollectandreusewater.Third,let’strytospreadthemessageaboutprotectingandsavingwater.Makemorepeoplearoundusknowtheproblemofwatershortageandhowtohelpsolveit.Let’stryourbesttosavewaterandourplanet.StudentUnionYoucanwriteitlikethis.ExercisesIfwewanttousetheseawater,wemust_________(拿走）thesaltfromtheseawater.Howcanwe_________(避免)aseriouswatershortage?Weshould__________(找到)waystoreusewater.People’sneedforwaterisincreasing____________(一天天).Althoughtheworldishungry,itiseven______(更渴的)While___________(几乎，差不多)¾oftheearthiscoveredwithwater,wearestillshortofdrinkingwater.takeawayavoiddiscoverdaybydaythirstiernearlyWelearn:1.someword