关于转基因的英语作文

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Recently,adebateaboutgeneticallymodifiedfoodsbetweenFangZhouziandCuiYongyuanhasattractedmanypeople’seyes.Fangappealedtopeopletocomeandenjoygeneticallymodifiedfoodsatmicro-bloggingwhichhethoughtisnoharmtowardshuman.Ofcourse,thisisnotonlyhisidea.ItrepresentspartofhumanwhohavegreatconfidenceanddeterminationtomakeGMfoodbecomepopular.Meanwhile,Cui’squestionrepresentstheworryandanxietyofthegeneralpubliconGM,becausenoonecanguaranteewhatwillhappenifpeopleeatgeneticallymodifiedfoodsforalongtime.SuchdebatehasbothbeeninChinaandinternational.Thistime,thetwocelebritiesputthisissueinfrontofpeopleagain,Ithinkwehavetogetmoreknowledgeaboutit.Firstly,geneticallymodified(gm)referstotheartificialseparation(人工分离)andmodifiedgenes(修饰过的基因)importedintothepurposeofthegenomeoftheorganism,soastoachievethepurposeofthemodifiedorganisms.Geneticallymodified(gm)isgenerallydonebysexualreproduction.Peopleoftensaygeneticengineering,geneticengineering(基因工程),genetictransformation(遗传转化)aresynonymouswithgeneticallymodified(gm).Andthenthegeneticallymodifiedfoodsareproducedinsuchway.Thenlet’slookbacktothehistory.Intheearly1990s,thefirstgeneticallymodifiedfoodswasproducedintheUnitedStatesthatwasafreshtomato.Sincethengeneticallymodifiedfoodsbecomemoreandmorepopular.InMarch2000,theclonedpigswereborn.Followed,whethertoeatgeneticallymodifiedfoodbecomesadebatebothinEuropeandAmerica.Accordingtothestatistics,theU.S.FoodandDrugAdministration(食品和药物管理局)hasidentified43kindsofgeneticallymodifiedvarietieswhichmakesTheUnitedStatesthelargestcountryingeneticallymodifiedfoods.InAmerica,60%oftheprocessedfoodscontaingeneticallymodifiedingredients,including90%ofsoybean,50%ofcorn,andwheataretransgenic.Thereisnotmuchdifferencebetweengeneticallymodifiedfoodsandordinaryfood,butgeneticallymodifiedplantsandanimalshaveadistinctadvantage,suchlikehigh-yield(高产),insectresistance(抗虫),anti-viral(抗病毒)andanti-herbicide(抗除草剂).WhatIhavetosayisthatwiththeapplicationoftransgenictechnologythefoodshortageproblemhasbeensolvedtosomeextent,theuseofpesticidehasbeenreduced,andtheenvironmentalpollutioncanalsobeavoided.Fromtheabove,wemaythinktheU.S.seemstoadvocateeatinggeneticallymodifiedfoods.ButitisundeniablethatevenintheUnitedStates,thedebatearoundthegeneticallymodifiedfoodhasnotbeeneliminated.Japanhasevenpromotedorganicfoodsvigorouslytotrytoreducegeneticallymodifiedfood.Europehasalsoadoptedastrictmarketaccesssystem.EvenintheUnitedStateswhereextremelyreassureforgeneticallymodifiedfood,therearenodirecttransgenictechnologyforhumanstaplefood.Althoughgeneticallymodifiedfoodshavemanyadvantages,therearealsomanystudiesshowingthatgeneticallymodifiedfoodshavemanyflaws.InDecember22,2009,theSupremeCounciloftheFrenchbiotechnology(法国生物技术最高委员会)declaredthatcultivationofgeneticallymodifiedmaizeismoreharmthangood.Intheendof2009,theU.S.DepartmentofHealth(美国卫生部)madeasciencepaperthatgeneticallymodifiedfoodscancausedamagetointernalorgans.InMay2009,AmericanInstituteofEnvironmentalMedicine(美国环境医学学会)issuedastatementstronglytorecommendpeoplenottoeatgeneticallymodifiedandeducatethecommunitiestoavoideatinggeneticallymodifiedfoods.

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