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话题语汇狂背Unit21._____________n.优点2._____________n.缺点，短处3._____________n.保护4._____________n.发明，创造5._____________vt.涉及advantagedisadvantageprotectioninventioninvolve相关单词6._________adj.医学的，医疗的7._________adj.有害的8._________n.过程，程序9._____________n.成就10._________v.分析medicalharmfulprocessachievementanalyse11.____________adj.成功的12.____________v.做手术；实施13.____________vt.影响14.______________n.发展，开发15.______________adj.危险的successfuloperateaffectdevelopmentdangerous16.___________vi.不赞成；反对17.___________adj.迅速的18.___________vt.禁止；不准；阻止19.___________n.分析，分析结果20.___________adj.人造的，人工的objectrapidforbidanalysisman-made1._____________进行；实施2.________________________起很大作用3._____________反对4._____________导致5._____________例如6._________________对……谨慎carryoutmakeagreatdifferenceobjecttoleadtoforexamplebecautiousabout相关短语7._________________改变某人的生活8.____________各种各样的9.____________应用10.___________________冒险做……11._________________成功地做……changeone’slifeallkindsofapplytoruntheriskofdoingsucceedindoing12._____________得益于；从……获益13.______________________大获成功14._________________代替15._________________期望；盼望16.______________________对……很感兴趣benefitfromachievegreatsuccesstaketheplaceoflookforwardtoshowagreatinterestin17.____________________吸引某人的注意力18.___________________________________为……做贡献19.___________________________________献身于……20.___________________________________高人类的生活质量drawone’sattentioncontributeto/makecontributionstodevoteoneselfto/dedicateoneselftoimprovethequalityoflifeforhumans1.直到1997年，科学家才成功地克隆了哺乳类动物，即世界闻名的“多莉”羊。Itwasnotuntil1997thatscientistssuccessfullyclonedthefirstmammal，thenowworld-famoussheepknownasDolly.相关句子2.一些科学家想用克隆动物的方法来制造人类的皮肤、器官与其他身体部位。Somescientistswanttoapplythemethodsusedincloninganimalstoproduceskin，organs，andotherbodypartsforhumans.3.人类试图充当上帝来治疗世上的伤残和疾病这种做法，其他人是对此质疑的。Othersquestionwhetheritisrightto“PlayGod”inanattempttocurethedisabilitiesanddiseasesofthisworld.4.例如，肺癌患者可能仅需换个健康的肺。Forexample,peoplewithlungcancermaysimplyhavetheirlungsreplacedwithhealthyones.5.科学家也期待着有一天坐轮椅的人能再站起来。Scientistsalsolookforwardtothedaywhenpeopleinwheelchairscanstandagain.6.许多人担心克隆对社会可能造成的影响。Manypeoplefeartheeffectscloningcouldhaveonoursociety.7.克隆可以为人类做出巨大的贡献。Cloningcanmakeagreatcontributiontohumanbeings.8.我们不再需要担心濒临灭绝的动物。Wenolongerneedtoworryabouttheendangeredanimals.9.制造许多克隆人意味着要面临与人类同样的人口问题的风险。Producingmanyclonesrunstheriskofcreatingapopulationthatisentirelythesame.汉语大意：假如我会克隆，我一定会帮助没有孩子的父母拥有孩子。我会克隆很多人体器官，让每一个需要移植器官的人都重新获得生命。这样，就不会有那么多的悲伤和痛苦。相反，换来的是一阵阵的喜悦、一张张的笑脸和一个个幸福美满的家庭。语篇模板IfIcouldclone,Iwouldbeboundtohelptheparentswhodon’thavetheirownchildren.Iwouldclonealotofhumanorgans，soIcanletthosewhoneedorgantransplantregaintheirlives.Therefore，therewillnotbesomuchsorrowandmisery.Onthecontrary，therewillbewavesofjoy，thesmilingfacesaswellashappyfamiliesinourworld.