托福独立写作素材整理 环境类.docx

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1、托福独立写作素材整理环境类Somepeoplethinkthathumanneedsforfarmland,housing,andindustryaremoreimportantthansavinglandforendangeredanimals.Doyouagreeordisagreewiththispointofview?Whyorwhynot?Usespecificreasonsandexamplestosupportyouranswer.有些人认为人类对耕地,住房,和工业的需求比保存土地和濒临灭绝的物种更重要?同意与否?1动物很重要段落大意:动物对维持生态平衡有很重要作用,但是它们正在

2、快速的灭绝。HumanbeingsaredependentontheEarthsdiversityofspeciesforoursurvival.Wildspeciesplayavitalroleinthemaintenanceoftheplanetsecologicalfunctions,yeteverydayontheplanet40-100speciesbecomeextinctManycountriesacrosstheworldhavenotgotanendangeredspeciesactthatisstrongenoughtoprotectvariousspecies.2人类生存

3、离不开物种多样性段落大意:人类生存离不开物种多样性,但是各种动植物正在急速灭绝。Humanlifecannotexistintheabsenceofcomplicatedinteractionsofmillionsofspeciesinbiologicalsystems.Yetashumanszweliveduringaperiodofthegreatestlossofplantandanimalspeciessincethemega-extinctionsoftheJurassicPeriod65millionyearsago.HarvardUniversitybiologistE.0.Wi

4、lsonestimatesthat50z000plantandanimalspeciesdisappeareachyearduetotropicaldeforestation,expandingagriculture,andhumansettlement.”Humanactivitiesimpacttheenvironment,includingclearingagriculturalland;airzlandandwaterpollution;urbanandsuburbandevelopment;andtheintroductionofinvasiveornon-nativewildlif

5、especies.Iflandandwildlifearepoorlymanaged,humanbeingwillriskfragmentinghabitat.SomepeoplebelievethattheEarthisbeingharmed(damaged)byhumanactivity.OthersfeelthathumanactivitymakestheEarthabetterplacetolive.Whatisyouropinion?Usespecificreasonsandexamplestosupportyouranswer.有些人认为地球正在受到人类行为的破坏,另外有些人认为人

6、类行为使地球变成更好的居住之地。你的观点如何?1单一农作物发展的弊端段落大意:单一农作物发展大面积侵占动物栖息地,使得它们趋于灭亡。Thewholepointofcropfarming(monoculture)istoremoveamixedpopulationoftrees;shrubsetcandreplaceitwithadensepopulationofwheatorbeans.Thebalancebetweenlifeandnaturalplantisupset;theanimalsareforcedtoliveinsmallareasofwoodland,hedgeroworhea

7、th.Thereisnotenoughfoodtogoaroundandthestrongersurvive,manyanimalswilldieandsomespeciesmayevendieout.2有毒的气体对环境的伤害段落大意:我们终日生活在化学气体保卫的环境中,这些有害气体伤害环境,伤害人类。Wearelivinginthemidstofagreatchemicalexperiment,andsomeseriousconsequencesarebecomingapparenttoscientists.Morethantwobillionpoundsofchemicalsarespew

8、edintotheaireachyear.Thesechemicalsarebrewingadisastrousstewzresultinginanatmospherecrisis.Thegreatestconsequencesoftheatmospherecrisismaybeglobalwarmingandtheozonedepletion.Ifhumankindwantstosurvivewellintothenextmillennium,wemuststopthishorribledestructionofourownenvironment.3地球变暖加剧对人类的伤害段落大意,地球环境

9、暖化,使得各种灾害,包括旱涝灾害,臭氧空洞等频繁发生。TheEarthappearstobewarmingduetothegreenhouseeffect.Scientistsestimatethattheaveragetemperaturecouldclimbabout2degreesCelsiusin20years.Thischangeintheglobalclimatewouldhavedisastrousresults,includingdrought,coastalfloodingandincreasedspeciesextinction.Andzscientistshavedisc

10、overedaholeintheozonelayer.TheozonelayeristheonlyprotectionforlifeonEarthagainstdeadlyultravioletradiationfromthesun.Oncetheozonelayeriscompletelydestroyed,alllifeonEarthwillceasetoexist,killedbythedeadlyradiation.Theplanetwillbecomeabarrenrockdevoidofalllife.4工业化使得地球环境变差段落大意:工业化进程带给环境负面影响,人类正在努力扭转这

11、种局面。Thenegativeeffectofindustrializationontheenvironmenthasbeenknownforyears.ThedangersassociatedwithIeadzchlorofluorocarbons(CFCs)landothertoxicmaterialswerediscovered.Severalmeasureshavebeentakentostopthedamagedonetotheenvironmentbyseveralagents.5电脑和网络发展的优势段落大意:网络使得人类生活更加方便。In21stcentury,theIntern

12、ethasbecomeverypopulararoundtheworld.Sincetechnologyhasimproved,manypeoplecanusetheInternetathome.Itallowsforanunbelievablylargeamountofdownloadsanduploadsofinformation,music,videos,attachments,andallsortsofotherthingsasitistheengineoftheInformationSuperhighwayofourInformationEra,inwhichwelive.Fromt

13、heInternet,peoplecanwriteorreceiveemails,getinformationfromaroundtheworld,orchatwithfriendsorotherpeopleindifferentcountriesininstantmessageswithclearvoicesandimagesthatshortenthedistancefrompersontoperson.Alsozthereisnotimelimit.OnecanusetheInternetwheneveronewants.Inaddition,itisveryinexpensive,so

14、itisaveryconvenienttypeofmedia.6商家应该承担更多责任段落大意:商家作为社会优势群体,应该承担更多的社会责任,包括保护环境。Businesstodayhassomanyresponsibilities.Asidefrommakingaprofittheyareforcedtotakeonadifferentresponsibility,onethatinvolvestheenvironment.Corporatemanagersshouldbeheldmorallyresponsibleforgoingbeyondconsiderationsofprofits,l

15、aw,andmarketmoralitytotrytodowhattheycantohelpsolveourmostpressingenvironmentalproblems/1Inhisarticle,Hoffmanarguesthatbusinessmustcreativelyfindwaystobecomepartofthesolution,insteadoftheproblem.Businessshouldtrytobecomemoreenvironmentallyfriendlyandthinkofwaystohelpmitigatethemanyenvironmentalprobl

16、emswehave.7个人行为以保护环境段落大意:个人良好行为,包括不随意扔垃圾,实行回收等,可以教育他人,也可以保护环境。Throughmylifestyleandmanners,Ihopetomakeothersawareoftheirenvironmentanditsconstantfragilestate.BynotIitteringzotherswillseehoweasyitistoactuallywalktothegarbagecan.AsIpickuptrashzmypeerswillnoticehowmuchnicerandcleanermysurroundingsseemzandwillinturnwantthatforthemselves.WhenIrecycle,they*Ilseehowsimpleandeasyitslandwhatadifferenceitmakes.Throughmyexamples,theywillseeth

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