Unit3TheenvironmentModule2Environmentalproblems环境—————————————————↓illEarthatmospherelightheat•A1Whatdoyouknowaboutthegreenhouseeffect?MatchthefirsthalfofthesentencesincolumnAwiththesecondhalfincolumnB.Writethecorrectlettersintheblanks.AB1Thereisanatmosphere____athegreenhouseeffect2Itcontrols____btheEarthwithharmfulgases.3However,wearepolluting____cwarmerandwarmer.4Thegasescausethe____dtokeepintoomuchatmosphereheatfromtheSun.5TheEarthisgetting____earoundtheEarth.6Wecallthis____ftheEarth’stemperature.Whatdoyouknowabout…?123456温室效应大气层吸入温度控制Thearticleisprobablyfroma(an)____.Aadvertisement(广告）Bposter（海报）abouttheEarthHourCenvironmental（环境的）sciencebookDcomicbookTheworldis__________Mainproblem1：____________Mainproblem2：______________Mainproblem3：______________Solution:Weneedto____________indagerBadhabitsCuttingdownforestsThegreenhouseeffectTakeproperactionTheworldisinDANGER!Ourworldisindanger.Wemustdosomethingtoprotecttheenvironment.But,whatarethemainproblemsweface?•ThegreenhouseeffectTheatmospherearoundtheEarthisnecessaryforalllivingthings.Itisliketheglassofagreenhouse,lettingsunlightinandkeepingheatfromgettingout.Withoutit,theEarthwouldbethesameastheMoon—coldandlifeless.Whenweburnfuelssuchaspetrolandcoal,weproduceagascalledcarbondioxide(CO₂).Toomuchofthisgaspollutestheatmosphere,andcausesittokeepintoomuchheat.Asaresultofthegreenhouseeffect,theEarth’stemperatureisincreasing.Thiscausessealeveltorise,andinthefuturemaycausecitiestodisappear.Reading大气层温室效应阻止……处于危险中无生命的和…一样燃料汽油煤吸入由于温度海平面上升消失•1.TheatmospherearoundtheEarthisnotnecessaryforalllivingthings.•2.Withoutit,theEarthwouldbethesameastheSun–coldandlifeless.•3.Whenweburnfuelssuchaspetrolandcoal,weproduceagascalledoxygen.•4.Toomuchofthisgaspollutestheatmosphere,andcausesittokeepintoomuchheat.•5.Asaresultofthegreenhouseeffect,theEarth’stemperatureisdecreasing.•6.Thiscausesleveltorise,andinthefuturemaycausecitiestodisappear.FFFTFTMooncarbondioxide(CO₂)increasingT/FExerciseReadLine3—line23•CuttingdownforestsEveryyear,wedestroynaturebycuttingdownhugeareasofforests.ThismakesthegreenhouseeffectworsebecausetreestakeinCO₂andproduceoxygen.Cuttingdowntreesalsodestroysthehomesoftheanimalsthatliveinourforests,andcausesthesurfaceofthesoiltobeeasilydestroyedbyrain.Thiscanresultinfloodsandevenmoredamagetotheenvironment.摧毁大自然吸入表面土壤导致水灾cuttingdownforestsCarbondioxide(CO₂)Oxygen(O)₂resultin_______causethe_____________tobedestroyedeasilybyrain.floodsurfaceofthesoilthehomesofanimalsdestroys_______________make________worsegreenhouseeffect•BadhabitsManyofourhabitscausepollution.Peopleoftenusethingsonceandthenthrowthemaway,orleavethemonthegroundaslitter.Thiscreatesmountainsofrubbishandpollutesourlandandseas.Inordertoprotecttheenvironment,weneedtotakeproperaction.Weshouldbedifferentfrommanyconsumersandbecome“greenconsumers”.Thismeansthatweshouldonlybuyanduseproductsfriendlytotheenvironment.Weshouldalsorecycleasmanythingsaswecan.Wecanreusethingsforthesamepurposeasbefore,orwecanusethemfornewpurposes.Ifwejustlearntoliveinnewanddifferentways,wecanmakeadifference.习惯把…扔掉大量的…采取…行动恰当的与…不同消费者环保的无害的回收利用目的有作用，有影响1.What’sourbadhabits?•A.oftenusethingsonce•B.throwthingsaway•C.leavethethings...
