Somepeoplethinkanimalexperimentsshouldbestoppedbecausetheyaretoocruel.Othersthinktheyarenecessaryforthedevelopmentofsciences.Discussbothviewsandgiveyourownopinion.
题目讲评：
1开头段(不少于4句);
2有一些动物实验确实cruel(五句);
3但是一些领域的研究又不能缺少动物实验(七句);
4综合，得出结论(不少于3句)。
创作全程使用IELTS作文coldstorage冷处理+assemblyline装配法，给自己规定从开始写25分钟内要贴上Google。
高分关键词：
friendsorfoes或敌或友
subject(vt)animalstoexperimentation拿动物去做实验
unjustifiable站不住脚的,不合适的
necessitate使……成为必需
callous残酷的
confinement囚禁
veterinary动物医疗
vaccination接种
vivisection活体解剖
rodent指老鼠那一类动物
primate灵长类
pragmatic灵活的追求实效的(pragmatism也是美国人最大的特征)
pharmaceuticalcompanies制药公司
anthropologicalandgenetic人类学的和基因学的
analgesic,anestheticandtranquilizingdrugs医学当中镇痛最常用的三种方法
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.
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