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【写作佳句及惯用表达】1.Itisundeniablethattheworseningenvironmenthasbecomethebiggest不可否认的是，日益恶化的环境已成为全世界最关心的事。2.Manyfactoriesdischargeenormousharmfulchemicalsintoairandriverseveryday.许多工厂每天把大量有害化学物质排放到空气和河流里。3.Environmentalistsappealtoeverygovernmenttopreservetheenvironment.Lawsconcerningenvironmentalprotectionhavebeenputintoeffectandsituationsinmanyregionshaveimproved.环保人士呼吁各国政府保护环境。有关环保的法律已实施，而且许多地区的形势已有改善。4.Environmentalpollutionmakesmanypeoplefallsick.Itdoesgreatharmtohumanbeings.环境污染使许多人生病。环境污染对人类极为有害。5.Deforestationresultsintheincreaseofglobaltemperatureandunpleasantchangeofclimate.砍伐森林导致全球气温升高和气候的不良变化。6.Manyplantsliketreesandcropsaredestroyedbybadair,manyfishdieofpoisonouswater,thousandsofpeoplediefromeatingpoisonedfishorbreathinginpoisonousair.许多植物，像树和庄稼，被恶劣的空气破坏，许多鱼死于有毒的水，数千人因吃了中毒的鱼或呼吸有毒空气而死。7.Themaincauseofpollutionisthereleaseofharmfulsubstancesintotheenvironment.污染的主要原因是将有害物质排放到自然环境中。8.Topreventinsects,farmersusealargeamountofinsecticidessoastohaveabumperharvest.Asaresult,theypollutetheair,water,andland.为防止害虫，农民使用大量杀虫剂，以取得大丰收。结果，他们污染了空气、水和土地。9.Thegasesfromcarenginesareverypoisonous.Itisamainsourceofairpollutionincities.汽车引擎排出的气体非常有害。它是城市主要的空气污染源。10.Environmentalistsurgeallcitygovernmentstobuildmoresewagetreatmentplants.Manycarsareequippedwithpollution-controldevices.Peopleallovertheworldshouldjointogetherinmakingeffortstocontrolpollutionandcreateacleanworld.环保人士力劝所有城市政府多建污水处理厂。许多汽车装备了污染控制装置。全世界人们应共同努力，控制污染，创造一个干净的世界。【写作范文】Peoplehavedifferentviewsontheenvironmentpollution.WhatisyourItiswellknownthattheworldweliveinisgettingworseandworsebecauseoftheincreasingenvironmentaldestruction.Forexample,manypeoplearecuttingdowntreesforfuelorsale,butdeforestationresultsintheincreaseofglobaltemperatureandunpleasantchangeofclimate.Besides,humanbeingsarebeingbotheredbywaterpollution,airpollutionGovernmentsofmostcountrieshavetakensomemeasurestostoptheenvironmentfrombeingfurtherdamaged.Manypeoplearetryinghardtofindwaystopreventthepollutionfromgoingon.LawsconcerningenvironmentalprotectionhavebeenputintoeffectandsituationsinmanyregiHowever,theproblemofenvironmentalprotectionisfarfrombeingsolvedcompletely.Ontheonehand,environmentalpollutionanddestructionaregettingworseandworsewiththerapiddevelopmentofscienceandtechnology.Ontheotherhand,manypeoplehaverealizedtheurgencyofsolvingtheproblem.Inbrief,wehavealongwaytogobeforewecanmaketheearthabetterplacetolivein.【学习要点】①disafforestation砍伐森林，即dis-+afforest（造林于空地）+-ation②putintoeffect实行；实现；使生效如：这个市要实施一项改革法。比较takeeffect:生效，见效如：这药丸一吞下去就见效。③farfrom远离；远远不，完全不,如：mostgenerous.他非但不吝啬，相反极慷慨。【要点提示】⑴文章首先说明：人类的生存环境越来越恶劣；然后说明：采取措施改善环境；最后总结：改善环境并非易事。⑵本文所用论证方法及关联词：①举例法：forexample，②比较或对比法：③表示进一步说明或强调的关联词：besides,furthermore,inaddition,what④表示总结或文章结尾常用的关联词：inbrief,insummary,thus,onthewhole【模拟训练】［35MIN.］WhatdoyouknowaboutGreenhouseEffect?Andwhatproblemsdoesitcause?Whatisyoursuggestionaboutit?I.ITS:The“GreenhouseEffect”referstothewarmingoftheearthduetoTS1:The“GreenhouseEffect”isthemostseriousproblemourplanethasTS2:PartsoftheworldthatarealreadyhotmightbecomeunbearablyTS3:Somepartsoftheworldmightbecomemuchdrier.OtherpartsoftheTS:Nationsshouldworktogethertopreventaglobaldisaster,whileatthesametimeordinarycitizensmustdotheirpart.【模拟训练参考作文】点击此处查看答案TheGreenhouseEffectThe“GreenhouseEffect”referstothewarmingoftheearthduetotheincreasingamountofcarbondioxideintheatmosphere.Carbondioxideisagasproducedeverytimeafuelsuchascoal,oilornaturalgasisburned.Thiscarbondioxideincreasestheheatoftheatmosphere,andthuswarmstheplanet.Accordingtoscientists,the“GreenhouseEffect”isthemostseriousproblemourplanethaseverfaced.Firstofall,theleveloftheoceancouldrise,becauseoceanwaterexpandsasitgrowswarmer.Meltingpolaricecapscouldalsocontributetoanincreaseintheleveloftheocean.Peoplelivingoncoastlinesmightlosetheirhomes,andcitieslikeNewOrleansmightbecompletelysubmerged.Partsoftheworldthatarealreadyhotmightbecomeunbearablyhotter.Hotweathermeansahugeincreaseintheuseofairconditioning,whichusesenergy,costsmoneyandcreatespollution.ItcaSomepartsoftheworldmightbecomemuchdrier.AlreadymanypartsofAfricahavesufferedfrequentlyfromseveredroughts.Otherpartsoftheworldmightbecomewetter.ToomuchraininManyscientistssuggestthatpeopleneedtolearntoconservefuel,sinceburningfuelisoneofthemaincausesofthe“GreenhouseEffect”.Governmentshouldprotectforests,sincetreescanhelpreducethe“GreenhouseEffect”.Chemicals,whichincreasetheeffectcanbebannedorstrictlycontrolled.Nationsshouldworktogethertopreventaglobaldisaster,whileatthesametimeordinarycitizensmustdotheirpart.