Unit13SectionA1a-2d課件人教版九年級英語全冊

Unit13We’retryingtosavetheearth!SectionA1a-2dWhatispollutionPre-listeningDifferentkindsofpollutionnoisepollutionairpollutionwaterpollutionwastepollutionWhatcausedtheseproblemsBesidesthechemicalpollution,thereareotherkindsofpollution.WhataretheyaccordingtothepicturesLead-inLead-innoisepollution

airpollutionwaterpollutionnoisepollutionLoudmusicplanesbuildinghouses

,

,and

causedthenoisepollution.FreetalkWhat’sthedifferenceusedto...butnowwaterpollutionnoisepollutionpollutionairpollutionWhathappenedinthepictureTheearthispolluted.LeadinnoisepullotionairpollutionwaterpollutioncarsfactoriessmokingbuildinghousesLoudmusiccarsplanesbuildinghousesmobilephonesrubbishlitteringshipsfactoriesairpollutionSomefactoriesareburningc

andtheyarepollutingtheairwithalotofbalcks

.Therearemoreandmorecarsontheroad.Theyareputtingw

gasintotheair.oalmokeasteWhatmadeourearthuglypollution1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.noisepollutionairpollutionwaterpollution__________________________________________________________________________________________

_______________________________________________________________________________________________loudmusiccarsplanesbuildinghousesmobilephones

carsplanesfactoriessmokingrubbishlitteringshipsfactoriesloudmusic

carsrubbish

planeslittering

shipsfactoriessmoking

buildinghouses

mobilephones1bListenandcompletethesentences.Whatwastheproblem?Theriverwas________.Eventhebottom

oftheriverwasfullof________.Therewerenomore________forfishermen

tocatch.Whatcausedtheproblem?Peoplearethrowing________intotheriver.Factoriesareputting________intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe__________________andaskthemto____________thefactories.Everyoneshouldhelpto________theriver.dirtyrubbishfishlitter

wastegovernmentclosedowncleanupn.底部停業(yè)，倒閉Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.(P97)1bloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesNoisepollutionAirpollutionWaterpollutionloudmusic,planes,buildinghouses,mobilephones(machines,crowds,vehicles)cars,factories,smoking,buildinghouses(powerplants,nucleardisposal)rubbish,littering,ships,factories(sewage,industrialwaste,pesticides)TonyAlanWhatwastheproblemWhatcauseditHowdiditusetobeHowshouldtheproblembesolved...Let’stalk.1cRole--playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.

Tony:Everyoneinthistownshouldplayapartin

cleaningitup!

在…中扮演角色、起作用Let’slistenandchoosetherightanswers.2a2b策略：聽前關(guān)注題干中的關(guān)鍵詞，判斷其邏輯關(guān)系，預(yù)測聽力內(nèi)容。1.WhichpollutionisNOTmentionedA.Landpollution.B.Airpollution.C.Noisepollution.2.WhyistheairbadlypollutedBecause_______.A.thereweremorecarsontheroadthesedaysB.factoriesthatburnedcoal[k??l]stoppollutingtheairwithalotofblacksmokeC.peoplecanhardlyeverseeblueskiesandstarsanymore3.Howarepeopleturningbeautifulplacesintougly[??ɡli]onesPeopleare_______A.throwingawaythingslikewooden[?w?dn]chopsticks,plastic[?pl?st?k]bowlsandplasticbags.B.litteringinpublic,likehomes.C.collectingtoomuchrubbishandwaste.While-listening:listenandcompletethesentencesin1b.Whatwastheproblem?Theriverwas_____________.Eventhebottomoftheriverwasfullof_________.Therewerenomore______forfishermentocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.reallydirtyrubbishfishlitterwastegovernmentclosedowncleanupcausessolutionproblemEveryoneinthistownshouldplayapartincleaningitup!Listenagainandcompletethesentences.1.Theairisbadlypollutedbecausethereare________________ontheroadthesedays.2.Factoriesthatburncoalalso__________________theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People________________thingseveryday.4.Peoplearealsolitteringin___________________likeparks.Thisisturningbeautifulplacesintougly

ones.morecarspollutearethrowingawaypublicplacesadj.丑陋的Post-listening:imaginethatyouareanambassaorofenviromentalprotectioninyourcommunity.Pleasegiveaspeechonanenviromentalproblemanditscausesandsolutions.Let’slistenandfillintheblanks.2dAirPollutionWastePollutionThingstohelpWeshouldtakethe_______or_______insteadofdriving.Besides,wearealsosupposedto_______abike.Bringabagtogo__________.Nevertake_______chopsticksor_______

forkswhenbuying_____________________food.Lastbutnotleast,it’salsoimportantto_______rubbishinthebins[b?nz]andkeeppublicplaces_______andbeautiful.Inaword,everyoneshouldplayapartincleaningitup.Then,ouractionscanmakea_________andleadtoabetterfuture.策略：聽前標(biāo)注關(guān)鍵詞，判斷空詞詞性，預(yù)測聽力內(nèi)容。bussubwayrideshoppingwoodenplastictakeaway[?te?k?we?]throwcleandifferencen.n.v.doingadj.adj.adj./n.v.adj.n.Post-listening:giveareportTherearemanyseriousproblemaboutourenviroment.Ithinkoneofthemisthat...,I’venoticedthat...(problem)Thatisbecausepeople...,somefactories...(cause)Tosolvethisprobelm,Ithink...(solution)Ibelievethat...(wish)Lovetheearth,loveourhome!WhatcausestheairpollutionWhatcanwedotosolveitTherearemoreandmorecarsontheroad.Theygiveoffthewastegasintotheair.Factoriesthatburncoalalsopollutetheairwithalotofblacksmoke.Wecanwalkorridethebike,takethebusorsubwayinsteadofdrivingthecar.Wecanplantmoretrees.Thegovernmentshouldclosedownthefactories.Languagepoints1.closedown(使)停業(yè)；(使)倒閉Plentyofshopscloseddownbecauseofthenovelcoronavirusoutbreak.由于新型冠狀病毒爆發(fā)，許多店鋪倒閉了。closedownthefactories關(guān)閉工廠closeup(通常因因離開)關(guān)上；關(guān)閉Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.我們應(yīng)該寫信給政府，讓他們關(guān)閉那些工廠。Languagepoints2.playapart/rolein…①在…中發(fā)揮作用

②在…中扮演角色Ahealthydietplaysanimportantpartinhelpingpeoplelivelonger.健康的飲食在幫助人們長壽方面起著重要的作用。HewasinvitedtoplayapartinthisTVplays.他被邀請參加這個(gè)電視劇的演出。翻譯：教育在我們的成長中起著很重要的作用。___________________________________inourgrowth.Everyoneinthistownshouldplayapartincleaningitup！

鎮(zhèn)上的每個(gè)人應(yīng)該參與把它打掃干凈。Educationplaysanimportantpart/roleinstead[?n?sted]ofLet’sstudy.中代替；反而例Jimdidn’tbuyhimselfanything.Instead,heboughthismotherascarf.Atlast,Idecidedtocookathomeinsteadofeatingoutside.給……寫信河底往河里扔垃圾把……打掃干凈土地

/

空氣

/

噪音

/

水污染把……變成……減少空氣污染writeto...

thebottomoftheriver

throwlitterintotheriver

cleanup...

land/air/noise/waterpollution

turn...into...

cutdownairpollution

代替對……有好處外賣食品保持公共場所干凈美觀影響；有作用帶來；導(dǎo)致

insteadof

begoodfor...

takeawayfood