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《雅思写作-nuclear》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、智课网IELTS备考资料雅思写作:nuclear摘要：今天小编为大家分享一下的雅思写作:nuclear相关内容，分享的主要目的就是想让大家对这方面有一个初步的了解甚至是掌握，如果大家能对此加深认识，想必一定会为您的雅思考试增分不少。写作是雅思考试重要的一部分，下面小马过河小编就为考生们带来一篇有关nuclear的雅思写作范文，考生们可以参考一下写作思路，改善自身写作方式。AdvantagesandDisadvantagesofNuclearEnergyAdvantagesofNuclearEnergyNucle
2、arreactionsreleaseamilliontimesmoreenergy,ascomparedtohydroorwindenergy.Hence,alargeamountofelectricitycanbegenerated.Presently,approximately10-15%oftheworld'selectricityisgeneratedthroughnuclearenergy.Didyouknowthatonekilogramofuranium-235approximatelyprodu
3、cesasmuchenergyas1,500tonsofcoal?Thebiggestadvantageofthisenergyisthatgreenhousegasesarenotreleasedduringanuclearreaction.Greenhousegasesareamajorthreatinthecurrentscenario,astheycauseglobalwarmingandclimatechange.Asthereisnoemissionofthesegasesduringnuclear
4、reaction,thereisverylittleeffectontheenvironment.Theburningoffossilfuelsleadstoproductionofcarbondioxideandsmoke.Itisamenacetotheenvironmentaswellashumanlife.Productionofnuclearenergydoesnotemitsmoke,hence,thereisnodirectairpollution.However,disposalofradioa
5、ctivewasteisamajorissuetoday.Nuclearreactorsmakeuseofuraniumasfuel.Fissionreactionofasmallamountofuraniumgeneratesalargeamountofenergy.Currently,thereservesofuraniumfoundontheEarthareexpectedtolastforanother100years.Secondly,usingthisenergycanmakemanynations
6、energyindependent,andnotdependentonthoseunearthingfossilfuels.Withouthumanerrors,accidents,ornaturalcalamities,thenuclearreactorsworkverywellandcangoonforalongtime.Secondly,onceconstructed,theplantrequiresveryfewpeopletooperateit.DisadvantagesofNuclearEnergy
7、Accidentalreleaseofharmfulradiationisoneofthebiggestdrawbacksofnuclearenergy.Thefissionprocessreleasesradiation,but,iscontrolledinanuclearreactor.Now,ifthesesafetymeasuresfail,theradiationmaycomeincontactwiththeenvironment,resultinginseveredamagetotheecosyst
8、emandlossoflife.Althoughtheyproducelargeamountofenergy,nuclearreactorsdependonuranium,whichisanexhaustiblefuel.Itsextinctioncanagaincauseagraveproblem.Onceexhausted,thereactorswillbeofnouse,will
