【原創(chuàng)】九上課件：Unit2Topic2SectionC

Topic2Alltheseproblemsareveryserious.

SectionCUnit2SavingtheEarth連江縣道沃學(xué)校翁光(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.ReviewNonenobodyothersothersomethinganythingeveryoneanybodyeverywhereInourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?

cities,pollute,healthproblems

factories,thelandandtheair,deadInourdailylife,weshouldfacemoreenvironmentalproblems.

Canyousaysomethingaboutthem?

cutdown,millionsof,

takeawaytheearth,becomedesert拿走Inourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?

oxygen

aspecialkindofoxygencalled“ozone”(O3)氧氣

averybigholeintheozonelayer,toomuchharmfulradiationfromthesun臭氧層放射，放射物n.洞，坑v.出現(xiàn)，形成n.種類(lèi)，形式Inourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?CO2

carbondioxideincreasesalot,forma“blanket”,theheatfromthesuncan’tescape二氧化碳毛毯，毯子滲出；逃跑；逃脫

called“thegreenhouseeffect”

causetheleveloftheseatorisev.上升；起床；升起溫室效應(yīng)fewertreesfactorypollutiontrafficpollutiontheozonelayermorecarbondioxideCanyoumatchthem?1aReadandunderstand.Lookatthefollowingpicturesandpredictthemainideaofthepassage.

1bRead1aandcompletethefollowingtasks.

2.Whatdoesourplanetmeanhere?A.Thesun. B.Mars.C.Themoon. D.Theearth.3.Inthepassage,blanketrefersto____.A.carbondioxidearoundtheearthB.theozonelayerintheskyC.theforestsaroundtheworldD.pollutionallovertheworld4.TheworditinParagraph5refersto(提到，涉及）____.A.CO2B.O3C.O2D.H2O5.Whatisthebesttitleforthispassage?EnvironmentProblemsB.PollutionontheEarthC.HopefortheFutureD.TheGreenhouseEffect

Read1a

andanswerthefollowquestions.1.Howlonghavethehumanslivedontheearth?Foronly35000years.2.Howdidtheforestsbecomedeserts?Peoplehavecutdownmillionsoftress.Therainandthewindhavetakenawaytheearth.3.Whyaremanyriversandlakesdead?Becausefactoriespollutedthelandandthewater.4.Whatcausestheleveloftheoceanstorise?"Thegreenhouseeffect".p39-1a.wmvChoosesuitabletitlesforParagraphs2-6.Thenwriteitdowninfrontofeachparagraph.FewerTreesA.TrafficpollutionB.FactorypollutionC.FewertreesD.TheozoneholeE.MorecarbondioxideTrafficPollutionFactoryPollution

TheOzoneLayerMoreCarbonDioxideKeypoints1.takeaway帶走，拿走我不喜歡這本書(shū)，請(qǐng)把它拿走。Idon'tlikethisdish.Pleasetakeitaway.2.escape逃跑，滲出，逃脫如果你做了壞事，你是不可能逃脫懲罰的。Ifyoudidbadthings,youcouldn'tescapebeingpunished.他經(jīng)常逃課。Heoftenescapeslessons.

Keypoints他已經(jīng)逃出了房間。Hehasescapedfromtheroom.那個(gè)人逃到了上海ThemanescapedtoShanghai.3.rise上升，升起過(guò)去式rose過(guò)去分詞risen太陽(yáng)從東邊升起。Thesunrisesintheeast.Writedownonlythekeywordswhentakingnotes.

1cCompletethenotesaccordingto1a.ProblemEffectontheenvironmentfewertreesforestsbecomedeserts,animalsandplantsdisappeartrafficpollution

greenhouseeffect,levelofoceansrising,climatechangeRetellitcarsandbusespolluteair,healthproblemspollutelandandwater,riversandlakesdeadharmfulradiationreachestheearth,causecancerfactorypollution

ozonehole

moreCO2Welearn:

1.Somewords:hole,form,rise

2.Somephrases:millionsof，

takeaway,passthrough,

thegreenhouseeffect.referto

3.Somesentences:Alltheseproblemsareveryserious,sowemustdosomethingnow.

Wecan:

1.Talkabouttheharmofpollution.2.Combinethekeypointstoformashortpassage.

Summaryexercises一.根據(jù)漢語(yǔ)完成單詞。1.Ican'timaginehecan________(逃跑）fromtheroom.2.Pricehave_______(上漲)recentlybuttheymayfallagain.3.ItseemsthatmyEnglishalwaysstaysatthesame_______(水平)asbefore.4.Carbondioxideintheairhas_______(形成)ablanketaroundtheearth.exercises二.選擇填空。1.----Whatsmellsterrible?---Sorry,I'll__myshoesandwashthematonce.A.putawayB.takeawayC.moveaway2.Shereadbooksbythelight_____theholeonthewall.A.pastbyB.passedthroughC.passedby3.Manyrivesandlakesarenow______becauseofpollution.A.deathB.diedC.dead4._______carefulyouare,_______mistakesyouwillmake.A.Themore;themoreB.Themore;thefewerC.Theless;thefewer1.Read1a.2.Memorizetheusefulexpressionsandkeywordswhichwelearntoday.3.FinishSectionCinyourworkbook.4.ReviewSectionA-CandpreviewSectionD.Assignment2SurftheInternettocollectmoreinformationaboutenvironmentalproblemsandeff