英语环境保护演讲稿.docx
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英语环境保护演讲稿
英语环境爱护演讲稿篇1英语环境爱护演讲稿篇4英语环境爱护演讲稿篇6英语环境爱护演讲稿篇9英语环境爱护演讲稿篇10英语环境爱护演讲稿篇13英语环境爱护演讲稿篇15英语环境爱护演讲稿篇16英语环境爱护演讲稿篇19英语环境爱护演讲稿篇21英语环境爱护演讲稿篇24
Thepopulationoftheearthisincreasingveryfast.Humansmustmaketheearthsupporttheincreasingpopulation.Thishasmadeitnecessaryforagricultureandindustrytodeveloprapidly.
Sucharapiddevelopmentproducesmoreandmorewaste,whichgoesintothewater,thesoilandtheair.Someofitismadeharmless.However,wherethereistoomuchofit,thepoisonouswastemaydogreatharmtothethingsaroundthepeople.
Whenfarmersaddfertilizertothesoiltomakeplantsgrowbetter,orusepoisontokillpests,poisonissentintotheair,thewaterandthesoil.Whenbirds,fishandpeopleeatthegrain,drinkthewaterorbreaththeair,harmwillbedonetotheirhealth.
Theairinbigcitiesisoftenmadeverydirtybycarsandfactories.Millionsoftonsofwasteandpoisonousgasesaresentintotheairwiththesmoke.Insomeplaces,littleisdonetomakethesmokecleanbeforeitgoesintotheair.
Fortunately,peoplearebeginningtorealizejusthowseriousthewholesituationis.Inmanycountries,lawshavebeenmadetostopfactoriesfromsendingoutpoisonousgases.
英语环境爱护演讲稿篇25
Waterisveryimportantforlivingthings.Withoutwatertherecanbenolifeonearth.Allanimalsandplantsneedwater.Manalsoneedswater.
Waterisfoundatmosteverywhere.Eveninthedriestpartoftheworldthereissomewaterintheair.
Asweallhavefoundout,watermaybeasolid,oraliquidoragas.Whenitisasolid,itmaybeashardasbrick,Whenitisaliquid,youcanpouritoutofacontainer.Whenitisagas,youcannotseeorfeelit.
Althoughabout70percentoftheearthssurfaceiscoveredwithwater,therearemanyplacesintheworldstillrunningoutofwater.Soweshouldmakegooduseofwateronearth.