牛津高中英语-M5U2-welcome-to-the-unit.ppt

牛津高中英牛津高中英语-M5U2-welcome-to-the-unitTips:UseyournoodlestothinkOpenyourmouthtospeakOpenyourhearttoenjoyDid you travel around to enjoy the beauty of nature during the holiday?Just follow me to appreciate some beautiful sceneries.Can you name them out?MountHuangshanLijiangRiverHuangguoshuWaterfallsJiuzhaiValleyShangri-La-apermanentlyhappyland,isolatedfromtheoutsideworldWhatdoyouthinkofourearth?Isitalovelyplacetolivein?However,itisgettingworseandworse.Canyougivesomeexamples?BrainstormingLittering(乱丢乱丢)RubbishBeforeNationalDayAfterNationalDayItisreportedthatfivetonesofgarbagewereleftbyTiananmenSquarevisitorsonNationalDay.Chinashaze(雾霾雾霾)maybe“morehorriblethanSARS,expertwarns.Itsshockingthatlungcancerratehasincreased60percentinadecade,whichshouldbelargelyblamedtoAirPollution.LostinthehazeagainWenchuanEarthquake:OnMay12nd,2008,at14:28localtime,apowerfulearthquakerecordingM8.0tookplaceinWenchuanhascausedagreatdealofdamagetothelocalandsurroundingareas.Alotofpeoplehavesufferedfromit.Theyhavelosttheirlives,familiesandexperiencedgreatpain.FitowandDanashavevisitedusTyphoon(台风台风)Atyphoonisamaturetropicalcyclone(气旋气旋)thatdevelopsinthenorthwesternpartofthePacificOceanWhomightberesponsiblefortheenvironmentalproblems?Nature&ManConclusion:Theearthisfacingseriousproblems.Discusswithyourpartnerson:1.Whatothernaturaldisastersdoyouknowcancausedamagetotheenvironment?How?2.Whathumanactivitiescandodamagetotheenvironment?How?Pairwork:Causes-EffectsFloodForestfireVolcanoeruptionDroughtTornadoTsunamiHurricanenaturaldisastersforestfirevolcanodroughttyphoonfloodhurricanetsunamitornadoEffects:Itisreportedthateveryyearthelossescausedbynaturaldisastersamounttobillionsofdollarsandthousandsofpeoplediedwhilethousandsmorewerelefthomeless.2.Whathumanactivitiescandodamagetotheenvironment?How?EnjoyaMV“Earthsong”withfollowingQs.Q1:Whatsyourfeelinglikewhenyouarelisteningtothissong?Q2:Whathumanhavedonetotheenvironmentisfriendlyorawful?Q3:Canyoufigureoutwhatinformationthissongconveys?Asanad.goes,thelastdropofwater-HumanstearstockraisingCause?Somechemicalandharmfulwasteflowsintothewater,killingriverandsealife.Thatisalsoharmfultoourhealth.Effects?Deforestation(砍伐森林砍伐森林)Causes:?Effects:?SandstormFactoriesandautomobilesgiveoffwastegas,whichgoesintotheatmosphereandmakesussick.Airpollutioncausesmorethan2.7milliondeathsintheworldeveryday.AirpollutionCauses:?Effects:?Pairwork:DialogueA:Whatdohumandototheenvironment?B:B:Whataretheeffects?A:CausesEffectsA.WaterpollutionB.DeforestationC.Airpollutionwars/industrialaccidentsgasleakage(泄漏泄漏)/oilleakageburningcoal/litterdrivingprivatecarsrunonpetrolusingnuclearweaponsovercutting(deforestation)lettingoffpoisonous/harmfulgasintotheairpouringindustrial/chemicalwasteintowaterusingfertilizers化学肥料化学肥料andpesticides杀虫剂杀虫剂PhrasesforyourreferenceOzonelayerholeGlobalwarmingCooperatewithyourpartnerswhendoingthistask.Tips:letoff排放排放sulphurdioxide二氧化硫二氧化硫carbondioxide二氧化碳二氧化碳Freon氟利昂氟利昂After-classA nation destroying its environmentdestroys itself.-F.D.RooseveltUnfortunately,becauseofenvironmentalpollution,manychildrenwereborndisabled.Conclusion:Ahealthyenvironmentisimportantforoursurvival.Weshouldprotecttheenvironmentfromnowon.Didyoudoanythingbadtotheenvironmentinyourdailylife?Whatshouldwedotoprotecttheenvironmentinourdailylife?ClassifyandthrowrubbishintothecanrecyclethemeffectivelyTherecyclingsymbolBuyrecycledproductsRecycledproductsUselow-flowshowerheads省水省水的莲蓬头的莲蓬头Buyenergy-efficientlightbulbs环保灯泡环保灯泡replacewithWhatcanwedo?plateNofoamlunchboxNoplasticbagbasketWhatcanwedo?solarenergyPlanttreesControlsandWhatcanwedo?Noone-offchopsticks.JustasthethemeofChinafor2013June5WorldEnvironmentDayBreathingandWorkingTogethergoes,everycitizenshouldtakeourresponsibilityfortheenvironment,startingfromouroneselfandsmallthings,respectingandcomplying(顺应顺应)withthenature,andmakingcontributionstoabeautifulChinawithbluesky,greenlandandcleanwater.WhatwehavelearnttodayProblemsCauses:nature&manEffectsSolutionsHomework1.Collectmoreinformationaboutenvironmentalproblemsandfindoutsolutions.Trytogiveanoralreportinthenextlesson.2.PreparetheReading.Thankyouforyourattention!谢谢！