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1、智課網(wǎng)IELTS備考資料雅思寫(xiě)作:nuclear摘要：今天小編為大家分享一下的雅思寫(xiě)作:nuclear相關(guān)內(nèi)容，分享的主要目的就是想讓大家對(duì)這方面有一個(gè)初步的了解甚至是掌握，如果大家能對(duì)此加深認(rèn)識(shí)，想必一定會(huì)為您的雅思考試增分不少。寫(xiě)作是雅思考試重要的一部分，下面小馬過(guò)河小編就為考生們帶來(lái)一篇有關(guān)nuclear的雅思寫(xiě)作范文，考生們可以參考一下寫(xiě)作思路，改善自身寫(xiě)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
