仁爱版九年级上册英语第二单元课件

Unit

2SavingtheEarthTopic2Alltheseproblemsareveryserious.SectionA沙尘暴Unit2SavingtheEarthTopic21pollutionpollution2预习导纲读1a，在文中划出下列短语并大声朗读。1、结果_______2、砍倒_________3、变成沙漠_______4、阻止某人做某事________5、人/人类________6、对……有害___________7、吹走______8、冲走____________9、沿大街走_______10、大量肥沃的土地_______二、读下列句子，翻译并探究。1.Treescanalsostopthewindfromblowingtheearthaway.译：__Theycanalsostopthewaterfromwashingtheearthaway.译：__探究：两句均使用了stopsb.(sth.)fromdoingsth.意思为______.此句型可用_______来替换。在口语中，from可省去。同类句型还有_______、____________.但from不能省略。练一练：——It’stoocoldtoday.Remembertowearamask(面罩)to_____youfromcatchingacold.——Ok，Iwill.A.preventB.encourageC.provideD.destroy预习导纲读1a，在文中划出下列短语并大声朗读。二、读下列句子32.Cuttingdowntreesisharmfultohumanbeings,animalsandplants.译_________探究：cuttingdowntrees是____词短语在句子中作___语，谓语用______数。练一练：1)散步是我的爱好。

myhobby.2)阅读使人完美。

aman

.3.Althoughwehavebuilt“TheGreatGreenWall”,westillneedtodosomethingtoprotecttheenvironment.译_____探究：although是

词，有“虽然，尽管”和“不过，然而”两层意思，引导

状语从句，可以和

互换，although较正式，

更为口语化，使用更普遍些。注意：although引导的从句不能与but,however同时连用，但常与yet,still连用。练一练：虽然他老了，但是他仍然继续努力工作。_________he_____old,hestill_________workinghard.2.Cuttingdowntreesisharmf4manytrees

cutdownmanytreescutdown5forestsgonewashtheearthaway冲走forestsgonewashtheearthawa6changeintodesert转换成，变成沙漠e.g.Alotofrichlandhaschangedintodesertbecausepeoplehavecutdowntoomanytrees.

changeintodesert转换成，变成沙漠e.g.7

sandstormscomeintobeing

n.沙尘暴sandstormscomeintobeing8Theboyandgirlsaretalkingabout—————.differenttypesofsandstormsthereasonsforsandstormssandstormsindifferentcities

1bListento1aandchoosethebestanswer.Focusonthemainideaoftheconversationwhenyoulistenforthefirsttime.√Theboyandgirlsare1bListen9Listenandanswerthequestions

1.What’stheweatherliketoday?It’sbad.Thewindissostrong.Andthesandreallyhurtsface.2.Whatcausesthesesandstorms?

Peoplehavecutdowntoomanytrees.

Asaresult,alotofrichlandhaschangedintodesert.

3.Dowestillneedtodosomethingtoprotecttheenvironment?Yes,wedo.Althoughwehavebuilt“TheGreenGreatWall”,westillneedtodosomethingtoprotecttheenvironment.conj.虽然，尽管，即使n.沙Listenandanswerthequestion10

somebody,someone,something,somewhere

anybody,anyone,anything,anywhere

none,nobody,nothing,nowhere

everybody,everyone,everything,everywhere一般情况下用于肯定句一般情况下用于否定句和疑问句表否定含义可用于各种句式theindefinitepronounandadverb

somebody,someone,something,111.Ihave____totellyou.A.importantsomethingB.somethingimportantB形容词修饰不定代词和不定副词时，要放在不定代词/不定副词之后Doyouknow?2.Everybody___readyforthematch.A.isB.areA不定代词作主语时，谓语动词要用单数。1.Ihave____totellyou.B形容词12直击中考1.Atpresent,childrenmean______tomostparentsinChina.A.everythingB.nothingC.angthingD.something(河南.14)2.Hethinkshimselfsomebody,butwethinkhim_____.A.nobodyB.anybodyC.somebodyD.everybody(河南.13)3.Theexamis3daysaway.Makesureyou’vegot____ready.A.somethingB.anythingC.everythingD.nothing4.——TurnofftheTV.There’s___onit.——OK.Let’slistentomusicforamomentinstead.A.somethingnewB.nothingnewC.newsomethingD.newnothingAACB直击中考1.Atpresent,childrenmean131aListen,lookandsay.

1aListen,lookandsay.141cRead1aandcompletetrees’functions.

Treescanstopthewindfromblowingtheearthaway.Alotofwatercanbesavedbyforests.Theycanalsostopthewaterfromwashingtheearthaway.

Tree’sfunctions

1cRead1aandcompletetrees’15K:wind;sand;anythingM:sandstorms

J:cutdown;asaresult;changeinto

M:affectJ:stop…from…;blow…away

K:canbesavedJ:wash…away

K:isharmfulto;although;dosomething

Actoutthedialoginpairs

K:wind;sand;anythingActou162Completethesentenceswiththecorrectformsofthegivenphrasesinthebox.

asaresult,changeinto,dosomething,stop…from,blow…away

1.Peoplehavecutdownsuchalargenumberoftreesthattheland

_____________________desert.2.Therearefewertreesleft,sothewindalways_______

theearth________.3.Airpollutionhasbecomeaseriousproblem,sowemust

______________toreduceit.4.weshouldtryourbestto_________people________cuttingdownthetrees.5.Inthefuture,humanbeingscanprotectthetreeswell._____________,animalswillliveahappylifeintheforest.

haschangedintoblowsawaydosomethingstopfromAsaresult2Completethesentenceswith173Doyouknowhowsandstormscomeintobeing?Numberthepicturesandtalkaboutthesandstormingroups.()()()()()()415362washtheearthawaymanytreeschangeintodesertforestsgonesandstormscomeintobeingcutdowntrees3Doyouknowhowsandstormsc184A.Listentothepassageandcirclethephrasesyouhear.

becomeweaker

destroytheenvironmentdisappearrapidly

ontheearthenoughbambootoeat4A.Listentothepassagean194B.Listenagainandfillintheblanks.1.Nowsomekindsofanimalsarebecoming___________________.2.Someanimalsare_______________dyingoutcompletely.3.Inthepast,pandaslivedaquietlifeandhad

______________food.4.Humanshave____________________theimportanceofprotectinganimals.5.Weshould________________toprotectthem.doourbestindangerofplentyofcometounderstandfewerandfewer4B.Listenagainandfillin20Lily,wouldyoulike___________todrink?Cindyisverybusynow.Sheneeds_______tohelpher.Isthere_________wrongwithyourcomputer?Jimlookedforhispencil-box____________,buthedidn’tfindit.Istayedathomelastweek.Ididn’tgo__________.

Usesomeone,something,anything,somewhere,anywheretofillintheblanks.somethingsomeone

anythingsomewhereanywhereExercisesLily,wouldyoulike_________21选词填空protect,from,something,pass,rise,deal,notonly,try,recycle,collectAstimegoesby,manismakingtheearthsick.It’sveryimportant_______withtherubbishincities.Thisisbecauserubbish_______pollutestheenvironmentbutalsodoesharmtoourhealth.Weare_____tofindsomewaystodowiththerubbish.Forexample,wecan____therubbishandthensortthem.Wecanstill_______wastepaper,oldbottlesandglass.Waterpollution,ofcourse,isabigproblemintheworld,sowemuststopthefactories_______pouringwastewaterintorivers.Nowthetemperatureoftheearthis____,andsheiscallingfor(要求)help.Ourcountry________somelawstoprotecttheenvironment.Asastudent,weshouldn’tlitter_______orspitinpublic.Wemusttryourbest_______theenvironment.Becausewehaveonlyoneearth.todealnotonlytryingcollectrecyclefromrisinghaspassedanythingtoprotect选词填空protect,from,something,pas22Welearn:1.Somewords:sand,although

2.Somephrases:changeinto,humanbeing

3.Somesentences:

(1)Asaresult,alotofrichlandhaschanged

intodesert.

(2)Treescanstopthewindfromblowingthe

earthaway.

Wecan:1.Usetheindefinitepronounandadverb.

2.Talkaboutthesandstormanditsharm.

SummaryWelearn:1.Somewords:sand,23AssignmentRead1a.Memorizetheusefulexpressionsandkeysentenceswhichwelearntoday.FinishSectionAinyourworkbook.PreviewSectionB.AssignmentRead1a.24ThankyouThankyou25Unit2SavingtheEarth

Topic2Alltheseproblemsareveryserious.

SectionBUnit2SavingtheEarth

Topic26Whocanfillitquicklythingbodyonewheresomeanyeverynosomethingsomebodysomeonesomewhereanythinganybodyanyoneanywhereeverythingeverybodyeveryoneeverywherenothingnobodynowherepron.没有人n.小人物，无足轻重的人pron.人人，每个人Whocanfillitquicklythingb27Let’shaveamatch

Group1Group2Let’shaveamatchGroup1Grou28AirpollutionWhatcanwedotoprotectourenvironment?AirpollutionWhatcanwedot29Answerthequestions.

(1)What’sthearticleabout?(2)Whatshouldwedoandnotdotoprotecttheenvironment?Answerthequestions.(1)What30234151bListento1aandnumberthefollowingpictures.

234151bListento1aandnumbe31LanguagePoints1.Noneofuslikespollution.没人喜欢污染。pron.没有一个，毫无none和noone的区别;

Noone1)不与of连用；2)谓语动词用单数；3)只能指人，但不具体指什么人；4)一般用来回答who,及含anyone,anybody引起的疑问句。None1)可与of连用；2)谓语动词用单或复数；3)具体指什么人或物；4)一般用来回答howmany+n,howmuch+n及含any+n引起的疑问句。LanguagePoints1.Noneofusli324.Butthegovernmentisdoingsomethingusefultoprotecttheenvironment.政府正在做一些有益的事情来保护环境。

3.Weshouldn’tleaverubbish

hereandthere.我们不应该随处乱扔垃圾。

在多处n.垃圾，废弃物2.Everyoneshouldcareforwildanimalsandplantmoretrees.每一个人都应该爱护野生动物，种更多的树。

adj.野生的，野的LanguagePoints不定代词+形容词4.Butthegovernmentisdoing331cRead1aandcompletethetable.ShoulddoShouldn’tdo1.________wildanimals2.plant____________3.do___________wecan1._______rubbishhereandthere2._______anywhereinpublic3.________ongrass4.pick_________carefor

moretreeseverythingleavespitwalkflowers1cRead1aandcompletetheta34Exercises

Use

everything,everyone,anywhere,something

tofillintheblanks.Butthegovernmentisdoing_________usefultoprotecttheenvironment.____________shouldcareforwildanimalsandplantmoretrees.Don’tspit_____________inpublic.Weshoulddo_________wecantoprotecttheenvironment.somethingEveryoneanywhereeverythingExercisesUseeverything,eve35DearHeadmaster,I’mwritingtotellyou_________important.Nobody

likestobeuntidy.However,somestudentsthrowwastepaperandbottles___________.Weallneedaquietplacetostudy,butsomestudentsoftenmaketoomuchnoiseatschool.Worstofall,someofthemarequiterudewhentalkingto_______.__________________knowstheirbehaviorisbad,but______ofusknowshowtostopthem.

Ithinkweshouldmakerulestochangethesituation.________whobreakstheruleswillbepunished.Perhapsitwillbehardforustokeeptherulesinthebeginning,butif___________________doeshisorherbesttofollowtherules,ourschool

environmentwillimprove.

Sincerely,

KangkangEveryone/Everybodynoneeveryone/everybodyAnyone2ListentotheletterandhelpKangkangtocompleteit.Thenreaditaloudasaccuratelyaspossible.otherseverywheresomethingDearHeadmaster,Everyone/Every363Readandunderstandthefirstsentence.Thencompletethesecondoneandreadthemaloud,payingattentiontotheweakform,liaisonandintonation.

3Readandunderstandthefirs37Example:Asweallknow,airpollutionhasbecomeaseriousproblem?Everybodyknowsairpollutionhasbecomeaseriousproblem.

1.Noneofuswouldliketoseedirtywaterandrubbishlyingaround.________wouldliketoseethedirtywaterandrubbishlyingaround.2.Weshouldfollowsocialrulesandspitnowhereinpublic.Weshouldfollowsocialrulesandnotspit__________

inpublic.3.Weshoulddoeverythingtoprotecttheenvironmentinourdailylives.Weshouldn’tdo________todestroytheenvironmentinourdailylives.

NobodyanywhereanythingExample:Nobodyanywhereanythin384Discussthefollowingquestionsingroupsandtrytofindthesolutions.1.Doyouhaveanybadhabitswhenyouareatschool?Whatarethey?___________________________________2.Howcanyoumakeyourschoollookbetter?___________________________________4Discussthefollowingquesti39Youcanchoosethephrasestouse:1.Itsaysthat…2.asaresult3.somethinguseful4.Noneof…5.hereandthere6.carefor7.Worstofall8.makerules9.changethesituation10.Perhaps11.obeytherules12.doone’sbestMakeaspeechaboutprotectingourenvironment.Makeaspeechaboutprotecting40Welearn:1.somewords:

none,rubbish,wild,nobody,worst,situation,punish,everybody

2.somephrases:

hereandthere,worstofall

3.somesentences:

①Noneofuslikespollution.②Don’tspitanywhereinpublic.③Everyoneshouldcareforwildanimalsandplantmoretrees.④Weshoulddoeverythingwecantoprotecttheenvironment.⑤Weshouldn’tleaverubbishhereandthere.Wecan:

1.Usetheindefinitepronounsandadverbscorrectly.2.Usetheproperwaystoprotecttheenvironment.

SummaryWelearn:1.somewords:none41Read1a.Memorizetheusefulexpressionsandkeysentenceswhichwelearntoday.FinishSectionBinyourworkbook.PreviewSectionC.AssignmentRead1a.Assignment42Unit2SavingtheEarth

Topic2Alltheseproblemsareveryserious.

SectionCUnit2SavingtheEarth

Topic43(1)________ofusknowshowtostopthebadbehavior.(2)Iknockedonthedoorbut___________answered.(3)Someofthesebooksarebetterthan__________.(4)Shewasdrivingthecarwithonehandandwipingthewindowwiththe_______.(5)TheyarebeautifulbutIamlookingfor___________useful.(6)Isthere___________youcandotohelpher?(7)There’re5000peoplelivinghereandalmost_________hashis/herowncar.(8)He’sclevererthan____________Iknow.(9)I’velooked__________butIcan’tfindit.Fillintheblanksusing

something,anything,others,nobody,everyone,anybody,everywhere,none,other.ReviewNonenobodyothersothersomethinganythingeveryoneanybodyeverywhere(1)________ofusknowshowto44Whatcanwedotoprotectourenvironment?

GiveaspeechWhatcanwedotoprotectour45Inourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?

cities,pollute,healthproblems

factories,thelandandtheair,deadInourdailylife,weshouldf46Inourdailylife,weshouldfacemoreenvironmentalproblems.

Canyousaysomethingaboutthem?

cutdown,millionsof,

takeawaytheearth,becomedesert拿走Inourdailylife,weshouldf47Inourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?

oxygen

aspecialkindofoxygencalled“ozone”(O3)氧气Inourdailylife,weshouldf48

averybigholeintheozonelayer,toomuchharmfulradiationfromthesun臭氧层放射，放射物n.洞，坑averybigholeintheozone49v.出现，形成n.种类，形式Inourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?CO2

carbondioxideincreasealot,forma“blanket”,theheatfromthesuncan’tescape二氧化碳毛毯，毯子渗出；逃跑；逃脱v.出现，形成Inourdailylife,wes50

causetheleveloftheseatorisecalled“thegreenhouseeffect”or“globalwarming”v.上升；起床；升起温室效应causetheleveloftheseato51fewertreesfactorypollutiontrafficpollutiontheozonelayermorecarbondioxideCanyoumatchthem?1aReadandunderstand.Lookatthefollowingpicturesandpredictthemainideaofthepassage.

fewertreesfactorypollutiontr52ChoosesuitabletitlesforParagraphs2-6.Thenwriteitdowninfrontofeachparagraph.Theearthis4.6billionyearsold.Wehumanshavelivedontheearthforonly35000years,butduringthisperiod,wehavechangedourplanetalotinmanyways.Somethingswe’vedoneareverygoodfortheearthwhilesomearebad._________Allovertheworld,peoplehavecutdownmillionsoftrees.Whenitrainsorwhenthewindblows,theearthistakenaway.Forestshave

becomedeserts,somany

kindsofanimalsandplantsaredisappearing.FewerTreesA.TrafficpollutionB.FactorypollutionC.FewertreesD.TheozoneholeE.MorecarbondioxideChoosesuitabletitlesforPar53

____________Inbigcities,carsandbuseshavepollutedtheair.Nowmanypeopleincitieshavehealthproblems._____________Factorieshavealsopollutedthelandandthewater.Asaresult,manyriversandlakesarenowdead._____________Aroundtheearth,there’saspecialkindofoxygencalled“ozone”(O3).Itisimportanttotheearth.Butnowairpollutionisdestroyingitandmakingaverybigholeintheozonelayer.Toomuchharmfulradiationfromthesunpassesthroughtheholeandreachestheearthdirectly.Thisisverydangerousbecausethiskindofradiationcancausecancer.

TrafficPollutionFactoryPollution

TheOzoneLayer直接地____________Inbigcities,c54

________________Carbondioxide(CO2)intheairhasincreasedalot.Itmainlycomesfromburningoil,coalandwood.Thishasformedablanketaroundtheearth.Theheatfromthesuncan’tescapesothetemperatureisrising.Thisiscalled“thegreenhouseeffect”.Itcausestheleveloftheoceanstoriseandtheclimateoftheearthtochange.Alltheseproblemsareveryserious,sowemustdosomethingnow.MoreCarbonDioxide________________Carbondioxi551bRead1aandcompletethefollowingtasks.

2.Whatdoesourplanetmeanhere?

A.Thesun.

B.Mars.

C.Themoon.

D.Theearth.3.Inthepassage,blanketrefersto

____.

A.carbondioxidearoundtheearth

B.theozonelayerinthesky

C.theforestsaroundtheworld

D.pollutionallovertheworld4.TheworditinParagraph5refersto____.

A.CO2B.O3C.O2D.H2O5.Whatisthebesttitleforthispassage?EnvironmentProblemsB.PollutionontheEarthC.HopefortheFutureD.TheGreenhouseEffect

1bRead1aandcompletethefo56Writedownonlythekeywordswhentakingnotes.

1cCompletethenotesaccordingto1a.Writedownonlythekeywords57ProblemEffectontheenvironmentfewertreesforestsbecomedeserts,animalsandplantsdisappeartrafficpollution

greenhouseeffect,levelofoceansrising,climatechangeRetellitcarsandbusespolluteair,healthproblemspollutelandandwater,riversandlakesdeadharmfulradiationreachestheearth,causecancerfactorypollution

ozonehole

moreCO2ProblemEffectontheenvironme582SurftheInternettocollectmoreinformationaboutenvironmentalproblemsandeffects.Thendiscusstheinformationingroupsandtakenotes.

2SurftheInternettocollect593.Combinethekeypointsin1cand2toformashortpassageandpayattentiontotheproperlinkingwords.3.Combinethekeypointsin160Asweallknow,waterpollutionisbecomingmoreandmoreserious.Somefactoriespourwastewaterintotherivers.Asaresult,itmakesthewaterdirtyandsmellterrible.Mostoffishinthewaterhavediedandwecan’tswiminthewater.Waterisveryimportanttohumanbeings,soweshoulddoourbesttoprotectandsaveit.Luckily,ourgovernmentistakingmeasurestoprotectthewaterfrompollution.Youcanwriteitlikethis:Asweallknow,waterpol61Welearn:

1.Somewords:hole,form,rise

2.Somephrases:takeaway,referto

3.Somesentences:Alltheseproblemsareveryserious,sowemustdosomethingnow.

Wecan:

1.Talkabouttheharmofpollution.2.Combinethekeypointstoformashortpassage.

SummaryWelearn:1.Somewords:hole,621.Read1a.2.Memorizetheusefulexpressionsandkeywordswhichwelearntoday.3.FinishSectionCinyourworkbook.4.ReviewSectionA-CandpreviewSectionD.Assignment1.Read1a.Assignment63Unit2SavingtheEarth

Topic2Alltheseproblemsareveryserious.

SectionDUnit2SavingtheEarth

Topic64GrammarIndefinitePronounandAdverb

_______ofuslikespollution.Don’tspit___________inpublic._________shouldcareforwildanimalsandplantmoretrees.Weshoulddo___________wecantoprotecttheenvironment.NoneanywhereEveryoneeverythingGrammarIndefinitePronounand65Indefinitepronounandadverb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.Indefinitepronounandadverb661.—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.fewExercises1.—Whichwouldyouliketodr67Functions______aresult（结果）,alotofrichlandhaschanged_________（变为）desert.Treescanstopthewindfrom______theearth_____(吹走）.Weshouldn’tleaverubbish___________(到处).Alltheseproblemsareveryserious,_____(所以)wemustdosomethingnow.

intoblowingawayhereandtheresoAsFunctions______aresult（结果）,68waterpollutionwaterpollution69Imagineyouarewater.

Pleasetellusyourfunctions,problemsandwishes.

I’mwater.Iusedtobe…Factoriesusuallypour…Iwishhumanbeings…Imagineyouarewater.

Please701aReadthepassageandputthefollowingparagraphsinthecorrectorder.

()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.1231aReadthepassageandputth71

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。

72thirsty

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。thirstyadj.缺水的;（口）渴的nearlyad731bRead1aagainandanswerthequestions.

1.Whyisourworldthirstywhen¾oftheearthiscoveredwithwater?2.Whatcanwedonowtoavoidthewatershortage?

Becauseabout97%ofthewaterontheearthisseawater,wecan’tuseitforwateringplantsordrinkingdirectly.

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

Tofindcheaperwaysoftakingthesaltawayfromtheseawater.1bRead1aagainandanswerth742Discussingroupsdifferentwaysofprotectingandsavingwater.Writedownthekeyinformation.Example:Passlaws(n.法律)againstwaterpollution.Collectandreusewastewater.……2Discussingroupsdifferent753.Writeaproposalaboutsavingwatertoallthestudentsinyourschool.

Mydearfriends,Waterisveryimportanttohumanbeings.Let’sdosomethingtoprotectandsaveit.First,________.Second,_________.Third,_________.Let’stryourbesttosavewaterandourplanet._____________3.Writeaproposalaboutsavi76Mydearfriends,Waterisveryimportanttohumanbeings.Let’sdosomethingtoprotectandsaveit.First,weshouldprotectourwaterresourcesandnotpollutethem.Thegovernmentshouldalsopasslawsagainstthewaterpollution.Second,weshouldsavewaterinourdailylife,turnoffthetapsintime,takeashowerinsteadofabath,andalwaysremembertocollectandreusewater.Third,let’s