Whatkindsofpollutiondoyouknow?

Airpollution,waterpollution,noisepollution,soilpollutionandsoonlookandsay1Inbigcities,carsandbuseshavepollutedtheair.Itmakespeoplehavehealth________.?problems[pr?bl?mz]

2Theriversandlakesare_______becausethefactorieshavepollutedthewater.dead[ded]

3Peoplehavecutdownmillionsoftrees.Theraintakesawaytheearth.Soforestshavebecome______.deserts[?dez?ts]

4The

ozonelayercanprotecttheearthfromharmful__________.radiation臭氧層[?re?di?e??n]

輻射5Carbondioxide(CO2

)formeda______aroundtheearthandtheheatcan’tescape.blanket[?bl??k?t]二氧化碳

6Thegreenhouseeffectcausestheleveloftheseato_____andtheclimateoftheearthtochange.rise溫室效應(yīng)thelevelofthesea[ra?z]

7

fewertreesfactorypollutiontrafficpollutiontheozonelayermorecarbondioxideCanyoumatchthem?8Task1:FastreadingChoosesuitabletitlesforParagraphs2-6.Thenwriteitdowninfrontofeachparagraph.（P401b1）TrafficpollutionFactorypollutionFewertrees

TheozoneholeE.

MorecarbondioxideFindthekeywordsorthesamewordsintheparagraph（文段）9Choosesuitabletitleforeachparagraph.Thenwriteitdowninfrontofeachparagraph.___________Allovertheworld,peoplehavecutdownmillionsoftrees.Whenitrainsorwhenthewindblows,theearthistakenaway.Forestshavebecomedeserts,somanykindsofanimalsandplantsaredisappearing.FewerTreesTrafficpollution

B.FactorypollutionC.

Fewertrees

D.TheozoneholeE.

Morecarbondioxide10_____________Inbigcities,carsandbuseshavepollutedtheair.Nowmanypeopleincitieshavehealthproblems.TrafficPollutionTrafficpollution

B.FactorypollutionC.

Fewertrees

D.TheozoneholeE.

Morecarbondioxide11_________________Factorieshavealsopollutedthelandandthewater.Asaresult,manyriversandlakesarenowdead.FactoryPollutionTrafficpollution

B.FactorypollutionC.

Fewertrees

D.TheozoneholeE.

Morecarbondioxide12___________Aroundtheearth,there’saspecialkindofoxygencalled“ozone”(O3).Itisimportanttotheearth.Butnowairpollutionisdestroyingitandmakingaverybigholeintheozonelayer.Toomuchharmfulradiationfromthesunpassesthroughtheholeandreachestheearthdirectly.Thisisverydangerousbecausethiskindofradiationcancausecancer.Theozonehole直接地Trafficpollution

B.FactorypollutionC.

Fewertrees

D.TheozoneholeE.

Morecarbondioxide13____________________Carbondioxide(CO2)intheairhasincreasedalot.Itmainlycomesfromburningoil,coalandwood.Thishasformedablanketaroundtheearth.Theheatfromthesuncan’tescapesothetemperatureisrising.Thisiscalled“thegreenhouseeffect”.Itcausestheleveloftheoceanstoriseandtheclimateoftheearthtochange.

MoreCarbonDioxideTrafficpollution

B.FactorypollutionC.

Fewertrees

D.TheozoneholeE.

Morecarbondioxide14Listento1atoknowmoreaboutthetext.

Howmanyproblemsarementioned(提到)?15Task2：IntensivereadingRead1acarefullyandchoosetheanswers.(P401b2--5)Findthekeywordsandpayattentiontothetopicsentence.162.Whatdoesourplanetmeanhere?A.Thesun. B.Mars.C.Themoon. D.Theearth.Theearthis4.6billionyearsold.Wehumanshavelivedontheearthforonly35000years,butduringthisperiod,wehavechangedourplanetalotinmanyways.Somethingswehavedoneareverygoodfortheearthwhileothersarebad.173.Inthepassage,blanket

refersto____.A.carbondioxidearoundtheearthB.theozonelayerintheskyC.theforestsaroundtheworldD.pollutionallovertheworld________________Carbondioxide(CO2)intheairhasincreasedalot.Itmainlycomesfromburningoil,coalandwood.Thishasformedablanketaroundtheearth.Theheatfromthesuncan’tescapesothetemperatureisrising.Thisiscalled“thegreenhouseeffect”.Itcausestheleveloftheoceanstoriseandtheclimateoftheearthtochange.

184.TheworditinParagraph5refersto____.A.CO2B.O3C.O2D.H2O_____________Aroundtheearth,there’saspecialkindofoxygencalled“ozone”(O3).Itisimportanttotheearth.Butnowairpollutionisdestroyingitandmakingaverybigholeintheozonelayer.Toomuchharmfulradiationfromthesunpassesthroughtheholeandreachestheearthdirectly.Thisisverydangerousbecausethiskindofradiationcancausecancer.195.Whatisthebesttitleforthispassage?EnvironmentalProblemsB.PollutionontheEarthC.HopefortheFutureD.TheGreenhouseEffect

Alltheseproblemsareveryserious,sowemustdosomethingnow.Don’tforgettheconclusion！（結(jié)論）20Writedownonlythekeywordswhentakingnotes.

1cCompletethenotesaccordingto1a.21ProblemEffectontheenvironmentfewertreesforestsbecomedeserts,animalsandplantsdisappeartrafficpollution

greenhouseeffect,levelofoceansrising,climatechange_____________polluteair,_____________problemspollute

__________________,riversandlakes____________________________

reachestheearth,cause________

factorypollutionozoneholemoreCO2carsandbuseshealthlandandwaterdeadharmfulradiationcancer22anyquestions?232.

SurftheInternettocollectmoreinformationaboutenvironmentalproblemsandeffects.Thendiscusstheinformationingroupsandtakenotes.

3binethekeypointsin1cand2toformashortpassageandpayattentiontotheproperlinkingwords.Taskforoutofclass241.帶走2.臭氧層3.二氧化碳4.溫室效應(yīng)5.指的是6.海平面7.直接到達(dá)地球

Summarytakeawaytheozonelayercarbondioxidethegreenhouseeffectrefertothelevelof

theoceansreachtheearthdirectly251.Read1a.2.Memorizetheusefulexpressionsandkeywordswhichwelearntoday.3.FinishSectionCinyourworkbook.4.ReviewSectionA-CandpreviewSectionD.Assignment26funreading1.whatdoesEarthHourmeaninChinese?A.世界時間B.地球1小時C.當(dāng)?shù)?小時D.土地1小時2.Whatdoes60inthepicturereferto?A.60hoursB.60minutesC.60secondsD.60days3.Whenwastheevent