外研九年級英語上冊Module 12《Unit 1 If everyone starts to do something,the world will be saved》課件

Module12

SaveourworldUnit1Ifeveryonestartstodosomething,theworldwillbesaved.Whatcanweseefromthepictures?課文呈現(xiàn)1.Workinpairs.Lookatthepicturesandtalkaboutthem.Usethewordsintheboxtohelpyou.listeningandvocabularyfactory

pollute

recycle

waste課文呈現(xiàn)2.Listenandcompletethesentences.1．Thefactoryiscausingalotof___________.2．Thereshouldbesome_______tostopthepollution.3．Wecan________wasteproducts,suchas______

andpaperinarecyclingcentre.pollutionrulesrecycleglass聽力材料MrJackson:Cananyonetellmewhatyoucanseeinthefirstphoto?Betty:There’safactory,andit’scausingalotofpollution.MrJackson:Correct.Sowhatcanwedoaboutit?Tony:Well,thereshouldbesomerulestostopthepollution.MrJackson:Whataboutthesecondphoto?聽力材料Daming:It’sarecyclingcentre.Wasteproductssuchasglassandpapercanberecycledthere.MrJackson:Good.Whydoweneedtodothat?Lingling:Tosaveenergy,Iguess.MrJackson:Great!課文呈現(xiàn)3.Listenandread.Lingling:Afterourlessonontheenvironment,I'mworriedaboutthefuture.Pollutionisourgreatenemy,andwehavetofightit.Iftheriversarepolluted,farmerscan'tusethewaterfortheircrops.

①Tony:Andinsomeplaces,pollutionfromfactoriesspreadsovercitiesandvillages.Itmakespeopleill,andmayevenkillthem.Pollutionisadangertoourhealth.

②溫馨提示：此符號表示“考點(diǎn)精講點(diǎn)撥”鏈接。賓語補(bǔ)足語課文呈現(xiàn)Betty:Andtherearesomanycarsontheroads.Theyusesomuchoilandcausepollutionaswell.Daming:Butwe'reonlystudents.Wecan'tdoanythingaboutfactoriesandcars.Betty:It'snousetalkingaboutthingswecan'tdo.

③We'vegottothinkofthingswecando!

Daming:Suchas...?Lingling:Doyouthinkwecanmakeourschoolagreenschool?課文呈現(xiàn)Daming:What'sagreenschool?Lingling:Atagreenschool,everyclasscollectswastewhichcanberecycledorusedagain.

④Thentheschoolsellsthewasteandusesthemoneytohelpstudentsinpoorareas.Daming:Niceidea!Betty:Studentsatagreenschoolalsolearnwaystosaveenergyandrecycleathome.Thatmeanslesswaste.

⑤

不定式短語作目的狀語課文呈現(xiàn)Tony:That'sagoodidea.Thoughpollutionisheavynow,Idon'tthinkit'shopeless.

⑥Ifeveryonestartstodosomething,theworldwillbesaved.EverydayEnglishIt'snouse...Suchas...?Niceidea!引導(dǎo)條件狀語從句課文呈現(xiàn)Nowcompletethenotes.Pollutionproblems1．Iftheriversarepolluted,___________________________________________.2．Insomeplaces,pollutionfromfactories___________________________________________.3．Thecarsontheroads__________________________________________.farmerscan'tusethewaterfortheircropsspreadsovercitiesandvillagesusesomuchoilandcausepollutionaswell課文呈現(xiàn)

Whatthestudentscando4．Supportagreenschool：everyclass_____________whichcanbe____________________.Thentheschool_______________________________tohelpstudents_____________．5．Studentslearn___________________________________.Thatmeans_________．collectswasterecycledorusedagainsellsthewasteandusesthemoneyinpoorareaswaystosaveenergyandrecycleathomelesswaste課文呈現(xiàn)4.Completethepassagewiththecorrectformofthewordsinthebox.Pollutionisourgreat(1)________.Pollutionfrom(2)________isadangertoourhealth,andmayeven(3)________people.Factoriessometimes(4)________therivers,andfarmerscannotusethewaterfortheircrops.Pollution(5)________overcitiesandvillages,andthat(6)________evenmoredanger.Carsusealotof(7)________andcausepollutiontoo.enemyfactorieskillpollute

spreads

causes

oil

cause

enemy

factory

kill

oil

pollute

spread課文呈現(xiàn)5.Listenandmarkthewordswhichthespeakerlinks.1．Afterourlessonontheenvironment,I'mworriedabout

thefuture.2．Studentsatagreenschoolalsolearnwaystosave

energyandrecycleathome.Nowlistenagainandrepeat.Pronunciationandspeaking課文呈現(xiàn)6.Workinpairs.Listthepollutionproblemsinyourplace.Chooseoneproblemandsaywhatshouldbedoneaboutit.—Theairpollutioninourcityisgettingworse.Whatcanwedotostopit?—Ithinkwecanrideourbicyclestoschoolmore.考點(diǎn)精講①Iftheriversarepolluted,farmerscan’tuse...·pollute/p?'lu?t/v.污染Smokingwillpolluteairinataxi.抽煙會污染車內(nèi)的空氣。Asweallknow,environmentalpollutionisstillseriousnowadays.眾所周知，現(xiàn)如今環(huán)境污染仍然嚴(yán)重。Don’tpourthepollutedwatereverywhere.不要把受污染的水到處倒。pollution是不可數(shù)名詞考點(diǎn)精講pollute的詞形變換：pollutionn.（不可數(shù)）污染；污染物pollutedadj.受污染的語境助記Pollutionfromfactoriespollutedtheriverandthepollutedwaterisadangertopeople’shealth.來自工廠的污染物污染了河流，被污染的水對人們的健康有危害。①：[無錫]Ourplanetisbecomingmoreandmore__________（pollute）.Howcanwestartalloveragain?polluted考點(diǎn)精講返回溫馨提示:可返回原文考點(diǎn)精講②Pollutionisadangertoourhealth.·danger/'de?nd??(r)/n.危險Runningaredlightisadangertous.闖紅燈對我們來說是危險的。拓展：dangerous作形容詞，意為“危險的，有危害的”。Thesituationishighlydangerous.形勢十分危急?？键c(diǎn)精講danger常見短語：beadangerto...“對……有危害”，相當(dāng)于“bebadfor/beharmfulto”。beindangerof有……的危險beindanger處于危險中beoutofdanger脫離危險②：[濟(jì)寧]Let’sprotecttheanimalsingreat__________（危險）danger返回考點(diǎn)精講③It’snousetalkingaboutthingswecan’tdo.·It’snousedoing...做……是沒有用的。It’snousestayinghere.Wemustdosomething.待在這兒沒有用。我們必須做點(diǎn)什么。It’snousecryingoverspilledmilk.（Thereisnousecryingoverspilledmilk.）對著打翻的牛奶哭泣是沒有用的。it是形式主語，v.-ing作真正主語。相當(dāng)于“Thereisnousedoing...”。考點(diǎn)精講it作形式主語，動名詞（短語）作真正主語的句式：Itisawasteoftime/awasteofmoney/nogood/fundoingsth.做某事是浪費(fèi)時間/浪費(fèi)金錢/沒有好處/有趣的。③：Itisnouse_______theorywithoutpractice.A.tolearnB.learningC.learnD.learned【點(diǎn)撥】固定句型法。Itisnousedoingsth.做某事是沒有用的，是固定句型。B考點(diǎn)精講返回考點(diǎn)精講④Atagreenschool,everyclasscollectswastewhichcanberecycledorusedagain.（1）waste/we?st/n.廢料；廢棄物Thistableshowsthestepsinrecyclingwaste.這張表顯示了廢料回收利用的步驟。Somestudentsthinkit’sawasteoftimelearningcookingatschool.一些學(xué)生認(rèn)為在學(xué)校學(xué)烹飪是浪費(fèi)時間。④：[臺州改編]Nothingisa___________（廢料；廢棄物）ifyouhaveacreativemind.waste考點(diǎn)精講諺語Hastemakeswaste.欲速則不達(dá)。Wastenot,wantnot.儉以防匱。Cherishfoodandkeepawayfromwaste.珍惜糧食，遠(yuǎn)離浪費(fèi)?？键c(diǎn)精講（2）recycle/ri?'sa?kl/v.回收利用，再使用（廢品）Manythingscanberecycled.許多東西都可以被回收利用。Recyclingisagoodwaytoprotecttheenvironment.回收利用是一個保護(hù)環(huán)境的好方法。前綴re-表示“重復(fù)，再”，常見帶前綴re-的單詞還有rewrite（重寫），rebuild（重建）等。名詞，意為“回收利用”。⑤：[麗水改編]Mostoftherubbishinthistownis___________（回收利用）everydaythrougharainbowrecyclingsystem.recycled考點(diǎn)精講返回考點(diǎn)精講⑤Thatmeanslesswaste.·less/les/adj.較小的；較少的n.較少數(shù)；較少量less在此作形容詞，是little的比較級，意為“較小的；較少的”，用來修飾不可數(shù)名詞。Weshouldeatlessfoodatnight.我們晚上應(yīng)該少吃一點(diǎn)。拓展：less還可作名詞，意為“較少數(shù)；較少量”。Shegivesthemlesstoeatinsummer.她在夏天給它們吃較少的東西?？键c(diǎn)精講less更少的，little的比較級，修飾不可數(shù)名詞。fewer更少的，few的比較級，修飾可數(shù)名詞復(fù)數(shù)。more更多的，many/much的比較級，修飾可數(shù)名詞復(fù)數(shù)或不可數(shù)名詞。辨析：less，fewer與more⑥：[常德改編]—What’syourpr