选择的英语作文选择的英语作文在我们平凡的日常里，大家都经常看到作文的身影吧，作文根据体裁的不同可以分为记叙文、说明文、应用文、议论文。作文的注意事项有许多，你确定会写吗？下面是小编帮大家整理的选择的英语作文，仅供参考，大家一起来看看吧。alongwiththerapidstepofsciencedevelopment,menhavegotmoreandmoreachievements.especiallyinbiologicalfield,scientistsarecreatingmiracleseveryminute.inrecentyears,theyaredecoded“thegenecode”ofhumanbeing.peopleallovertheworldareastonishedandexcited.however,atthesametime,itevokesmanythingswhichweshouldandmustthinkcarefully.what’sgene?ithinkweshouldknowsometimesaboutdnafirst.dnaisshortfordeoxyribonucleicnucleicacid.it’sthemostimportanthereditysubstanceinourbodies,whichalmostdecidesalltheshapeandproperties.onitaretherethousandsofgenesarrangedinsequence.eachofthemcarriesageneticmessagethatdecidesyourappearance,intelligenceoranyothercharacter.sothere’snodoubtthatdecodingthegenecodewilldoangreateffectonusandhasaprofoundandfar-reachingmeaning.thisscientificfruitwouldabsolutelybringsomeadvantages.ifitwasinuse,agriculturewouldbenefitfromitalot.theoutputofcropwouldincrease.theycouldresistallkindsofdiseasesandhaveastrongabilityofdisaster-proteeting.animalsmaybesafebecausescientistscancontinueaplantbygeneticoptimizationorcloningwhenitisindanger.forhumans,itwillcontributetomedicine.hereditarydiseasesreducesalot.manyincurablediseasescanbetreated.wewillenjoyourliveswithoutpain.thuswelivelongernaturally.thenthepopulationoftheearthincreasesrapidly.thiswouldcausethedangerofresource.innowadays,freshwater,coal,petroleumarenotenoughyet.howdoesourfragileplanetundertakesuchagreatneed?atthattime,agoodmanypeoplewillsufferpoverty,starvation,diseases,etc.itcouldevencausethethirdworld-war.inadditiontothewar,we’refacedmanyotherproblems.thesimplestthingisthathowthetargetdistribute.whocandecideit?istheachievementfirstusedonscientistsorstars?isitappreciatedbynoblesortestedoncivilians?sosimpleathingissohardtosolve.ifweweretoreformourgenesforsamereason,itmightcausethedisorderof.itwouldleadtoseriousaftereffects.forexample,somenewdiseaseswillcomeandtheymaybeincurableascancer.nobodycancont