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...