动物实验利弊英语作文

动物实验利弊英语作文 动物实验到底是好还是坏呢?下面是XX整理的动物实验利弊英语作文，欢迎大家借鉴参考，希望帮助到你。 篇一：动物实验利弊英语作文 Nowadays,experimentalusageofanimalhasbecomeawidelyconcernedissuearoundtheworld.Peopleholddiverseviewstowardsit. Adversariesclaimthatitisanextremelycrudebehavior.Animals,especiallymammals,likedogs,cats,rabbits,rats,whicharethemajorvictimsintheexperimentation,areusuallyhuman’spets.Petownersarestronglyagainstitfortheyfirmlybelievethatanimalssufferphysicallyandmentallyaswedo.Whenequalityisadvocatedinthemodernworld,itisinhumantodisrespectcreaturesthatarenothumanbeings. Furthermore,anumberofexpertspointedoutthatitwouldbeathighstakeofdependingontheresultsofanimalexperiment;sincetheydifferfromusinmanyways.Takethebodystructureforexample,wecan’timaginehumanstrytojumpfromtheheightofninestorieswithoutanyprotectionbecausecatssurviveoutofthesametest. Thoseinfavoroftheideaaboutusageofanimaldeclarethatusinganimalisanadvisablechoice.Ononehandbecausetheirbodiesaresimilarinfunctiontoours.Forinstance,theycatchcolds,sufferfromstomachsandheartdiseases,whichmoreimportantlyinfluencedbydietandhabits.Theconsequencesofthetestmaynotbeappliedtohumans,althoughtheyarehighlyconnectedtothehumansituations.Ontheotherhand,thosecreaturesyellandactabnormallywhentheyfeeluncomfortable,whichiswhatexactlyresearchersexpect.Inaddition,thereisaneasy-to-answerquestion:isn’titcruelertotestdirectlyonpeoplewithlittleknowledgeontheobjects’effects?Inaword,thereisnothingbetterthananimalthatresemblehumanthebestforexperiment. Personally,Iamnotasupporterofanimalexperiments,yetthereisanythingmoresuitablecanreplacethem,Iacceptusinganimalsfortests,buttakegoodcareofthemwhentheyarenotinthelaboratory. 篇二：动物实验利弊英语作文 Animalswerefriendsorfoesofhumanityatdifferenttimesofthehumanhistory.Inmoderntimes,experimentsuponanimalshavelongbeenabreedinggroundforspiriteddebate.Someanimalactivistsarguethatweshouldbananimalexperimentsaltogetherbecausesubjectinganimalstoexperimentationisunjustifiableonmoralgrounds.Yetsomeotherpeoplecontendthattheadvancementofsciencenecessitatesanimaltesting.Personally,Ibelieveboththeirviewshavemeritanddemerit. Granted,empiricalevidencesuggeststhatmanyanimalexperimentsareperformedcallouslywithoutanyheedtothediscomfortorpainthatlaboratorymammalsendure.Firstandforemost,improperconfinementoftestanimalssuchaslockingthemupincrampedcagesorpoorveterinaryisinhumane.Itcangravelydisruptnaturalbiologicalfunctionsofthetestanimal.Further,theeffectsofvaccinationandvivisectionconductedonliverodents,primatesandotherlabmammalscanbegruesomeandchilling.Theymay,insomecases,evenconstitutesheertortureofliveanimals. However,fromamorepragmaticperspective,evidenceismountingthatanimalexperimentationisstilllargelyanecessaryevilandthereisnopracticalalternativeforitatthispoint.Inthefirstplace,itismanifestthatdrugexperimentationonlivemammalsisfarmoreeffectualthanexperimentationonbacteriaoronotherlowerspeciesintestingdrugsafety.Drugsthathaveseverepotentialsideeffectsonhomosapiensmustbetestedbypharmaceuticalcompaniesonlivemammalsfirsttoascertaintheirtoxicity.Inthesecondplace,inspaceresearch,liveanimalsarestilltheonlyviablealternativetohumansintestinglivingcreaturereactiontoouter-spaceexperienceonaflightnotconsideredtobesufficientlysafeforhumanastronauts.Lastly,labresearchaboutthebehavioraltendenciesofchimpanzees,gorillas,orangutansandothermembersoftheprimategroupisalsonecessary.Itproducesvaluableoutcomesconsistentlyadvancinganthropologicalandgeneticstudies. Toconclude,Iconcedethatexperimentsuponanimalsmayinducesufferingtothetestanimals.However,Iamconvincedthattherearenofeasiblealternativestothismethodologyatthecurrentstageofscientificdevelopment.Onbalance,Ithinkthatweshouldallowanimalstestingtobecontinuedbutatthesametimeusetechniquessuchasanalgesic,anestheticandtranquilizingdrugstominimizethepaininflicteduponthetestanimalandaugmentthegeneralwelfareoftheseanimals. 篇三：动物实验利弊英语作文 Animalandpeople,lifeisequal,humanbeingshavenorighttodepriveananimaltoeatexceptforreasonsotherthanthesecondlife,peopledoexperiments(furmore)islikekillinganimalslaughterbatch,hewasamedicalstudentexperiment,opticalmouseisatermforanystudent(notincludingotherexperimentalanimal)morethantensofthousands,millionsoflivesandthereforetheglobalexperimentalanimalsacrificeagain,areallhumanbeingsoutdeliberatelycultivateclosedcolonyanimal,thatistomakesimpleanimalconsanguineousmarriage,manymorevarietiesofanimalproducehumancongenitaldefects.  　SuchaslackofTcellsinnudemice,andspontaneouslyhypertensiverats,spontaneousseizuresanimalandsoon,anddonothumane,canbesaidtobeaviolationofthelawsofnatureismoreimportant,fromtheexperimentalanimalSmallisconfinedinanarrowspace,completelyisananimalisthemostbasicsurvival,andchoiceofpowerandtheysimplymovehateddoingexperimentsandmanyexperimentstodeliberatereplicationanimalmodelofthedisease,thatis,humanforsickanimals,grouping,treatmentornotreatment,finallyalsoexecuted.前往百度app查看全文,体验更佳取消立即查看