第1页共9页本文格式为Word版下载后可任意编辑和复制2021全国大学生英语演讲大赛5篇本文2021全国高校生英语演讲大赛5篇由我细心为您整理,盼望这篇2021全国高校生英语演讲大赛5篇工作范文能对你起到关心。whatisnature?itseverythingthatexistsintheworldindependentlyofpeople，suchaspantsandanimals，earthandrocks，andtheweather.nowmoreandmorepeoplearefocusingonthenature.itisnodoubtthatthenatureisimportanttoeveryhumanbeing.nonature，nolife.becauseofthesuppliesofthenature，wehavelivedhappilyforalongtime.andwestartedtogaineverythingavailablefromthenature.andthislastedsolongatime.today，peoplehavediscoveredthatthenaturearoundisgettingworseandworse.whatisthreateningthenature?airandwaterpollution，overharvestingofplantandanimalspecies，overpopulationandsoon.overpopulationisthebiggestsourceofpollution.letstakeoverpopulationasanexample.whatdoesoverpopulationfeellike?whenwe第2页共9页本文格式为Word版下载后可任意编辑和复制moveslowlythroughthecityinatazi.whenweenteracrowdedslumdistrict.whenthetemperatureishighandwhentheairisthickwithdustandsmoke.thestreetsarecrowdedwithpeople.thestreetsseemalivewithpeople.peopleeating.peoplewashing.peopletalking.peoplesleeping.peoplevisitingeachother，arguingandscreaming.peoplerelievingthemselves.peoplepushingtheirhandsthroughthetaxiwindows，begging.peopleleadinganimals.people，people，people，people.aswedriveslowlythroughthecrowd，soundingthetaxishorn，thedust，heat，noiseandcookingfiresmadeitlikeascenefromhell!iadmit，frightening.tothenature，overpopulationisabigproblem.morepeople，morepollution.andthebigpopulationisthreateningthenatureeverysecond.therapidriseinworldpopulationisnotcreatingproblemsonlyforthedevelopingcountries.thewholeworldfacestheproblemthatrawmaterialsarebeingusedupatanincreasingrateandfoodproductioncannotkeepupwiththepopulation第3页共9页本文格式为Word版下载后可任意编辑和复制increase.peopleinrichcountriesmaketheheaviestdemandsontheworldsresources，itsfood，fuelandland，andcausethemostpollution.ababybornintheunitedstateswilluseinhislifetime30timesmoreoftheworldsresourcesthanababyborninindia.unlessallthecountriesoftheworldtakeunitedactiontodealwiththepopulationexplosiontherewillbemoreandmorepeoplefightingforashareoflessandlessland，foodandfuel，andthefuturewillbringpoverty，miseryandwartousall.formostofthedevelopingcountries，itisagoodideatocontrolthepopulationgrowth.forexample，chinahascarriedoutbirthcontrolforyears.andthisplanhasaGREateffectontheworldpopulation.ifthepopulationcontinuestoincrease，iftheairandwatercontinuetobepolluted，ifwedontdosomethingtoprotectwild-plantandwildlifespecieswillbedeclining.speciesandbiologicalcommunitieshavedifficultyadaptingtochange.economicopportunitiesandthequalityoflifeof第4页共9页本文格式为Word版下载后可任意编辑和复制futuregenerationsarealsoputatrisk.byprotectingnature，weprotectourselves.letsunitetogether，handinhandwestandallacrosstheland.wecanmakethisworldinwhichtolive.handinhand.controlthepopulationgrowth.takegoodcareofournature.2021全国高校生英语演讲大赛稿(3)Nothingisdifficultifyouputyourheartonit。Nothingiseasyifyoudon’ttryyourbest。Weoftenhearpeoplesay，“Nevergiveup。”Thiscanbeencouragingwordsandwordsofdetermination。Apersonwhobelievesinthemwillkeeptryingtoreachhisgoalnomatterhowmanytimeshefails。Inmyopinion，thequalityofdeterminationtosucceedisanimportantonetohave。Therefore，Ibelievethatweshouldneverg...
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