2023學(xué)年完整公開課版Unit2Protectingourenviroment

Chapter2

Protectingourenvironment(a)布吉中學(xué)

許智雄ReadingListeningSpeakingSpeaking

WritingGrammarReading(1)PresentationWordsstudyWarming-up■Answerthequestions.

Wheredowelive?2.Whatthingscaneffect(影響)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(資源)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(過程)ofmakingthingsdirtyandunhealthy.Whichtypeofpollutiondotreeshelpfight?Treescanstopairpollution

noisepollutionwaterpollution3.Whichofthefollowingcomefromtrees?treesfruitbeansteaoilcottonrubber

4.Thebest-knownflowersinShenzhenareazaleas.Thesesweet-smellingflowersareknownastheflowersofShenzhencity.Whichpictureshowsazaleas(勒杜鵑)?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釋放3.

harmful–dangerous,trouble

有害的,麻煩的■Smokingisharmfultoourhealth.4.

pass–givesth.tosb.byhand

傳遞,遞給Hepassedthetorchtoanother.4.fight(v.)斗爭，打架，fighter(n.)--soldier戰(zhàn)士5.collect–getsth.together收集■Doyoulikecollectingstamps?6.project

工程;aclassproject課題■

We’erview–asksb.questionsforsth.采訪■

Thenewsreporteris

interviewingGouJingjing.8.Doctor(Dr.)博士，醫(yī)生9.beinterestedinsth.

對…感興趣=like(enjoy)doingsth.;=bekeenonsth.■

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

呼吸新鮮空氣breathe(v.)/i:/,breath(n.)/e/

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

自然；natural自然的■

Wetryourbesttokeepthebalanceofnature.我們要盡力保持生態(tài)平衡。naturalairconditioner

天然空調(diào)，naturalenvironment

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

昆蟲■

Butterflyisoneoftheinsects.14.Warn警告、忠告■Theguide

warned

duce(v.)產(chǎn)生，生產(chǎn)，production制造,product產(chǎn)品16.chemical

化學(xué)物質(zhì)■

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

municating

with

交流■

Treecancommunicatingwith

eachother.20.beindanger處以危險中■Theyareindanger,pleasecall110forhelp.21.destroy(v.)破壞■

Inordertobuildfactory,thevillagersdestroyedthenature.22.

cutdown:cutsth.tomakeitfalldown

砍下■

Whydidtheycutdownthetrees?23.burn(v.)→burnt燃燒，燒毀TheforestinAustraliaburnedalot.24.

against(prep.)反對，違反■

Heturnedagainsthispromise.■

Wemustdestroyourbestfightersagainstpollution.■Sometimesourteacherstandagainstthedoor.MorepracticeMatching

◆nature

◆

interview

◆

insect

◆

produce

◆

burn

◆

warm

◆

collect

◆

chemical◆警告◆產(chǎn)生◆燃燒◆收集◆化學(xué)物質(zhì)◆昆蟲◆自然◆采訪Matchingbreathefreshaircommunicatewithdestroynatureaclassprojectbeindangercutdownharmfulgasbeinterestedingiveout破壞自然有害氣體砍下對…有興趣呼吸新鮮空氣一個課題發(fā)出、釋放在危險中與…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______________(在采訪)aprofessor___________(關(guān)于環(huán)境).2.Doyoulike_________(收集)stamps?3.Mr.Liu___________________

(對…感興趣)insects(昆蟲).isinterestedinisinterviewingcollectingonpollution4.Somefarmersuse_________(化學(xué)物質(zhì))tokill_______(昆蟲)forthecrops.5.Treescan__________________(與…交流)eachother.6.Wemust___________(盡力)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