資源描述：
《關(guān)于轉(zhuǎn)基因的英語作文.doc》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、Recently,adebateaboutgeneticallymodifiedfoodsbetweenFangZhouziandCuiYongyuanhasattractedmanypeople’seyes.Fangappealedtopeopletocomeandenjoygeneticallymodifiedfoodsatmicro-bloggingwhichhethoughtisnoharmtowardshuman.Ofcourse,thisisnotonlyhisidea.Itrepresentspartofhuma
2、nwhohavegreatconfidenceanddeterminationtomakeGMfoodbecomepopular.Meanwhile,Cui’squestionrepresentstheworryandanxietyofthegeneralpubliconGM,becausenoonecanguaranteewhatwillhappenifpeopleeatgeneticallymodifiedfoodsforalongtime.SuchdebatehasbothbeeninChinaandinternatio
3、nal.Thistime,thetwocelebritiesputthisissueinfrontofpeopleagain,Ithinkwehavetogetmoreknowledgeaboutit.Firstly,geneticallymodified(gm)referstotheartificialseparation(人工分離)andmodifiedgenes（修飾過的基因）importedintothepurposeofthegenomeoftheorganism,soastoachievethepurposeoft
4、hemodifiedorganisms.Geneticallymodified(gm)isgenerallydonebysexualreproduction.Peopleoftensay"geneticengineering","geneticengineering"（基因工程）,"genetictransformation"（遺傳轉(zhuǎn)化）aresynonymouswithgeneticallymodified(gm).Andthenthegeneticallymodifiedfoodsareproducedinsuchway.
5、Thenlet’slookbacktothehistory.Intheearly1990s,thefirstgeneticallymodifiedfoodswasproducedintheUnitedStatesthatwasafreshtomato.Sincethengeneticallymodifiedfoodsbecomemoreandmorepopular.InMarch2000,theclonedpigswereborn.Followed,whethertoeatgeneticallymodifiedfoodbeco
6、mesadebatebothinEuropeandAmerica.Accordingtothestatistics,theU.S.FoodandDrugAdministration(食品和藥物管理局)hasidentified43kindsofgeneticallymodifiedvarietieswhichmakesTheUnitedStatesthelargestcountryingeneticallymodifiedfoods.InAmerica,60%oftheprocessedfoodscontaingenetica
7、llymodifiedingredients,including90%ofsoybean,50%ofcorn,andwheataretransgenic.Thereisnotmuchdifferencebetweengeneticallymodifiedfoodsandordinaryfood,butgeneticallymodifiedplantsandanimalshaveadistinctadvantage,suchlikehigh-yield(高產(chǎn)),insectresistance（抗蟲）,anti-viral（抗病
8、毒）andanti-herbicide（抗除草劑）.WhatIhavetosayisthatwiththeapplicationoftransgenictechnologythefoodshortageproblemhasbeensolvedtosomeextent,theu
