2023学年完整公开课版Unit2Protectingourenviroment

Chapter2

Protectingourenvironment(a)布吉中学

许智雄ReadingListeningSpeakingSpeaking

WritingGrammarReading(1)PresentationWordsstudyWarming-up■Answerthequestions.

Wheredowelive?2.Whatthingscaneffect(影响)ourhealth?Canyougivesomeexamples?3.What’sthemostimportantworkweshoulddoforourliving(生存)?TheEarthisourhomeland.Wemustprotectourearth.However,ourearthisindanger.Nowpleasewatchashortmovie.Clickhere!Watch!Theenvironmentpollutionisabigproblem

intheworld.It'sattackingourhealthseriously.air

pollutionIt’shardformetobreathe!

Help!ProducingstrongharmfulgasWeknowthatfreshairisveryimportanttohumanbeings.However,manyfactoriesproduce

harmfulgasesintotheair.Itmakestheairdirtieranddirtier.It'sharmfultoourhealth.Whatshallwedo?Canyougivesomeadvice?Waterisalsooneofthemostimportantresource(资源)tohumanbeings.However,waterpollutioniseverywhere.Itbecomesmoreandmoreseriouslyproblem.Lookatthefollowingpictures.Howdoyoufeel?AndWhatshallwedo?Canyougivesomeadvice?waterpollution

Weareworrying…Wearecrying!Ourheartsfeelpainful!Stop!!!YellowRiverispollutedTaihuispollutedfishisdeadbecomesdirtyWeareverysadtoseethatourenvironmentispollutedinmanyways.

rubbishpollutionfoodpolutionKeepquiet,please!Icanbeasleep.Stop,noise!NoisepollutionBomb!Beep!toonoisyPollutionairpollutionnoisepollutionwaterpollutionWhatpollutiondoyouoftenseeinourdailylife?SummaryfoodpollutionWhatabeautifulestateitis!Everyonewantsourhomelandlikethis.Doyouthinkso?But…Howerver,wefeelsadbecausemanyplacesarpollutedinmanyways.Thenatureisgettingworseandworse.Thewaterbecomesdirtieranddirtierandairisalsogettingmoreandmoreterrible.Forexamples,pleaselookatthesephotos.“Helpme!I’mthirsty!Whereareyou,water?Ican’tlivewithoutyou!Thesoiliswashingaway.sandstormsinthenorthwestareasThedustiscoveredmanycities.Theenvironmentbecomemoremoreserious.Thereismuchpollutionaroundus.Ourhomelandisindanger.

Whatshouldwedo?Talkitover.DiscussionWhatshoulddotoprotectourhomeland?

◆Protectthewaterresource.◆Don’tthrowrubbishintotherivers,lakes.◆Savewater

everydayDosomecleaningTomakeourhomelandclean.Theyarehavingasurveyonpollution.●Toplanttreestoprotectourenvironment.●

tomaketheairclean●

tokeepupthesoilplantingtreesWhydotheyplanttrees?Lookatthepicture(P15)andmakedialogueinpairs.Sam:Whataredoinginthegarden?Robert:I’mplantingtrees.Sam:Whattreesareyouplanting?Robert:I’mplantingappletrees.Sam:Wherearethetrees?Robert:Theyareinthesoil.Howdoyouknowabout…?1.

Howlongdotheyliveontheearth?micemimi2years14years1,200years25years2.Pollutionmeanstheprocess(过程)ofmakingthingsdirtyandunhealthy.Whichtypeofpollutiondotreeshelpfight?Treescanstopairpollution

noisepollutionwaterpollution3.Whichofthefollowingcomefromtrees?treesfruitbeansteaoilcottonrubber

4.Thebest-knownflowersinShenzhenareazaleas.Thesesweet-smellingflowersareknownastheflowersofShenzhencity.Whichpictureshowsazaleas(勒杜鹃)?BananatreespalmtreesazaleasC2.

FindthewordsinColumnAintheinterviewandmatchthemwiththemeaningsinColumnB.Theanswers:Project---()2.interview---()3.Breathing---()4.natural---()5.Warn---()6.achemical---()7.Cutdown---()cbdagefLeanthenewwordsbyheart.1.

probably—perhaps很可能2.

giveout–sthcomesoutof释放3.

harmful–dangerous,trouble

有害的,麻烦的■Smokingisharmfultoourhealth.4.

pass–givesth.tosb.byhand

传递,递给Hepassedthetorchtoanother.4.fight(v.)斗争，打架，fighter(n.)--soldier战士5.collect–getsth.together收集■Doyoulikecollectingstamps?6.project

工程;aclassproject课题■

We’erview–asksb.questionsforsth.采访■

Thenewsreporteris

interviewingGouJingjing.8.Doctor(Dr.)博士，医生9.beinterestedinsth.

对…感兴趣=like(enjoy)doingsth.;=bekeenonsth.■

Whatsportareyouinterestedin,Judy?=Whatsportareyoukeenon,Judy?10.end(n.v.)末尾、结束theend,结束；intheend在末尾；attheendof…在…的末端；11.breathingfresh

呼吸新鲜空气breathe(v.)/i:/,breath(n.)/e/

呼吸,fresh新鲜的，freshfruit(vegetables,meat,milk,air…)■Let’sclimbWuTongM.andbreathefreshair.12.nature

自然；natural自然的■

Wetryourbesttokeepthebalanceofnature.我们要尽力保持生态平衡。naturalairconditioner

天然空调，naturalenvironment

13.cool(v.)=makesth.cool，使…凉快■It’ssohotnow.Let’sgetsomeice-creamtocoolourourselves.13.insects

昆虫■

Butterflyisoneoftheinsects.14.Warn警告、忠告■Theguide

warned

duce(v.)产生，生产，production制造,product产品16.chemical

化学物质■

Thiskindofinsectcanproduceachemicalwhenothersattackit.17.join(v.)加入、参加,聚在一起■Theyjoinedtogetherlastnight.■Hejoinedthearmytwoyearsago.18.underground(n.)地下，地铁■Treesjoinedtheir

municating

with

交流■

Treecancommunicatingwith

eachother.20.beindanger处以危险中■Theyareindanger,pleasecall110forhelp.21.destroy(v.)破坏■

Inordertobuildfactory,thevillagersdestroyedthenature.22.

cutdown:cutsth.tomakeitfalldown

砍下■

Whydidtheycutdownthetrees?23.burn(v.)→burnt燃烧，烧毁TheforestinAustraliaburnedalot.24.

against(prep.)反对，违反■

Heturnedagainsthispromise.■

Wemustdestroyourbestfightersagainstpollution.■Sometimesourteacherstandagainstthedoor.MorepracticeMatching

◆nature

◆

interview

◆

insect

◆

produce

◆

burn

◆

warm

◆

collect

◆

chemical◆警告◆产生◆燃烧◆收集◆化学物质◆昆虫◆自然◆采访Matchingbreathefreshaircommunicatewithdestroynatureaclassprojectbeindangercutdownharmfulgasbeinterestedingiveout破坏自然有害气体砍下对…有兴趣呼吸新鲜空气一个课题发出、释放在危险中与…交流C2.

FindthewordsinColumnAintheinterviewandmatchthemwiththemeaningsinColumnB.Theanswers:Project---()2.interview---()3.Breathing---()4.natural---()5.Warn---()6.achemical---()7.Cutdown---()cbdagefFillintheblankswithcorrectwords.He_____theletterafterreadingit.Somepeoplelike__________stampsfromdifferentcountries.Iputsomeiceintotheglassto_____thewaterinside.Mum_______younottogoout.Thereisastormcomingsoon.Treesare______airconditioners.Treescanp______ac_______.burntcollectingcoolwarnednaturalroducehemicalMorepracticeMr.Xu______________(在采访)aprofessor___________(关于环境).2.Doyoulike_________(收集)stamps?3.Mr.Liu___________________

(对…感兴趣)insects(昆虫).isinterestedinisinterviewingcollectingonpollution4.Somefarmersuse_________(化学物质)tokill_______(昆虫)forthecrops.5.Treescan__________________(与…交流)eachother.6.Wemust___________(尽力)tostopthe_________(污染)

aroundus.chemicalcommunicatewithpollutioninsectstryourbest7.Weshould____(敬告)thechildrennotto_____________(玩火)intheforest.8.Allthe____________(生物)willdiewithoutwater.9.Ifwedon’tplantmoretrees,thesoilwill___________(流失),theairwillbedirty.Sowemust