Unit22Lesson1(北师大版)

MyTeachingObjectives1Quiz2Handout1-94Homework3ReadingComprehension1QuizWritedowntheChinesemeaningofthefollowingwords.(5minutes)1.greenhouseeffect2.anumberof3.referto4.drought5.recycle6.principle7.inturn8.agriculture9.substitute10.threaten2Handout1-9Checkyouranswers.1greenhouseeffect---Nowtheglobaltemperatureisgetting_________________(越来越高)for__________________,soweshouldtakemeasures___________(stop)itfrom_________(effect)thewholeworld.higherandhighergreenhouseeffecttostopaffecting2dangern.---vt.---_______________adj.______________Those_____________animalsaredyingoutgraduallyduetohumanbeings.Facingthe___________snake,youare___________(处于危险中)Weshouldkeepcalmintimeof_________(危险)。dangerousendangerendangereddangerousindangerdanger3trapv./n.__________gettrapped___________Trytoavoid______________(gettrapped)when_________(walk)intheforest.Lookingattherabbit________(trap)yesterday,thehunterfelthappy,_________(smile)excitedly.使困住被困gettingtrappedwalkingtrappedsmiling4anumberof_______________thenumberof__________________________workersareworkinghardnowand__________themaddsupto300.5consultv.__________consultant_____________大量……的数量Anumberofthenumberof咨询者咨询/请教6refer--__________(过去时)__________（过去分词）referto________Inthefarmer’sletter,he__________(提到)hisdaughtermanytimes.Whenyoumeetsomestrangewords,myadviceisthatyoucan________(参考)thepracticalreferencebook.---Thekindofmedicine__________bythefamousdoctorwillbeusedtotreattheflu.referredreferred提到/参考referredtorefertoreferredto6agriculturen.adj.____________industryn.-adj.___________7coincidencen.---adj.______________---bycoincidence________Itisreally___________forustomeetourclosefriendinsuchaforeigncountry.agriculturalindustrialcoincident碰巧coincident8dry(vt.adj.)干的；把…弄干___________(n.)干旱Thisyeartheharvestisnotso______________(satisfy)becauseof__________(干旱)worldwide.droughtsatisfyingdrought9cyclev.使循环____________(回收利用)Somerubbish_____________bythecleanerscanbemadeintopaper.recyclerecycled3ReadingComprehensionNow,pleasereadthefirstpassageandanswermyquestions.1.Whathavebeenspeedinguptheprocessofglobalwarningandaffectingourclimate?Gaspumpedintotheearth’satmospherebythefactoriesandvehicles.Passage2GreenhousegassuchascarbondioxidewhichtrapheatfromthesunintheEarth’satmospherecontrolthetemperatureoftheEarth.Passage3Whathumanactivitiesarecausingglobalwarming?A.Industry,cuttingdownoftreesB.transportation,smoking;C.theburningoffuels,wastewaterD.agriculture,noiseReadpassage3andfinishexercises.1.Overthelast100years,theglobalaveragetemperaturehasincreasedby1℃.2.Thelinkbetweenhumanactivitiesandrisingglobaltemperaturesisnotonlyacoincidence.Passage41.Terribleclimatechanges.2.Seriousdiseases3.Polarricemeltandsealevelraise,manyislandsandcitieswillbeflooded.罗杏欢Carbondioxideaddup,leadstogreenhouseeffectbecauseofhumanactivitiesandindustryactivities.Inordertochange,ourlifewillgetbetter.whatshouldgovernmentsdo?Forexample,plantingtrees,makinglawssonon.Meanwhile,weshoulduselow-flowshowerheadsandbuylightbulbsthatuselessenergy.Earthisourhouse,everyoneshouldreservate.伍锦滢Deargovernment,Withthedevelopmentofeconomy,moreandmoreenvironmentalproblemscomesup.Theglobalwarmingmakesthetemperatureincreaseandleadtoclimatechange,whichthreathumanbeing’sactivities.Readpassage5andtranslate2sentences.1.Forexample,theUSA’sfederalgovernment,expressreservationsaboutwhetherglobalwarmingisreallycausedbyhumanactivities.2.It’sallwe’vegottoliveon.Passage51.Forexample,theUSA’sfederalgovernment,expressreservationsaboutwhetherglobalwarmingisreallycausedbyhumanactivities.例如美国的联邦政府，对于全球变暖是否真正由人类活动引起仍保留意见。2.It’sallwe’vegottoliveon.它就是我们必须赖以生存的全部。Takingpublictransportlikebusescanreducegreenhousegasemissions.AndTakingtraincanalsohelpareductionofgreenhousegas.TherecyclingsymbolBuytherecycledproductsRecycledproductsRecyclingthebottlesYourglassbottlescouldberecycledintohouseinsulation,plasticbottlescouldbemadeintoacozyfleecejacket.PaperrecyclingYourpapercouldbecomepartofaroadorrace-trackusinglow-flowshowerheadsbuyinglightbulbsreplacewithPara1Para2Para3Para4Para5WhatcanwedotoreduceglobalwarmingWhatisglobalwarmingandhowitworksReasonsanditseffectsDrawreaders’attentiontothetopicbyaskingquestionstheconsequenceofglobalwarmingMatchtheheadswiththeparagraphs.Fillintheblanksaboutthetext.GlobalwarmingmeansanaverageincreaseintheEarth’stemperaturewhichcausesclimatechangeinturn.Scientiststhinkitis____________thatcauseglobalwarming,especiallygasesfrom________andvehicleswhichspeedupglobalwarming.factorieshumanbeingsTheyalsothinkglobalwarmingisoneofthebiggestenvironmentalproblemsinthe21stcentury.TheEarth’stemperatureiscontrolledby_______________likecarbondioxidewhich___heatfromthesunintheEarth’satmosphere.Manyexpertsbelieveglobalwarmingismainlycausedgreenhousegasestrapbyhuman________.Overthelast100years,theglobalaveragetemperaturehasincreased_______andifhumanbeingscontinuetopump__________gasesintotheEarth’satmosphere,theglobalwarmingwillcausedramaticclimatechangeslikemorefrequentfloods,_________andby1°FgreenhouseheatwavesactivitiesDroughts.Therearesomese