高考英语一轮复习 Unit2 Cloning词汇课件 新人教选修8.ppt

假设你班就科学家是否应该克隆人进行了讨论20％的同学赞成认为其一：有利于促进该科学领域取得突破；其二：克隆智力过人的伟大科学家人类将拥有更多有非凡贡献的人。80％的同学反对因为这样违背社会道义克隆人没有父母无法像正常人一样生活试谈谈你的看法。词数120字左右。范文背诵Didyoueverimaginehavingachildthatistheexactreplica（复制品）ofyou?Didyoueverimagineofhavingthecureforheartdiseaseorcancer?Wellthesefantasiesarenotfarfromreach.Thewaywecouldreachthesefantasiesisthroughaprocesscalledcloning.Cloningisthereplicationofanexactgeneticcopyofanorganismbyuseofasomatictissue(orcell)fromthedonororganism.Cloningcanbeusedinhumanshumanorgansorevenanimals.Therearemanyadvantagesanddisadvantagesofcloning.Abenefitofcloningiscloninghumanorgansorbodyparts.Ifapersonhasadysfunctional（变形）liverorheartthentheycouldgetitclonedandgetabrandnewone.Thesearesomeofthebenefitsofcloning.Eventhoughtherearealotofbenefitstocloningtherearealsoalotofdisadvantagesofcloning.Onedisadvantageiswhethercloningisethical.Cloningwillbringupagreatcontroversyonwhethercloningisthe“right”thingtodoornot.Thiscontroversyiscurrentlygoingonrightnowandwillbeevenagreatercontroversyifthegovernmentallowscloning.Manypeoplethinkthatnatureshouldjusttakeitscourse.Otherpeoplethinkthatcloningwillbeaverygoodthingtosociety.句型背诵①Thewaywecouldreachthesefantasiesisthroughaprocesscalledcloning.②Abenefitofcloningiscloninghumanorgansorbodyparts③Eventhoughtherearealotofbenefitstocloningtherearealsoalotofdisadvantagesofcloning.1._______vi.不同；相异→_______adj.不同的→_______n.不同;不同之处2._______adj.精确的;准确的→_______adv.精确地准确地3._______adj.商业的；贸易的→_______n.商业；贸易4._______adj.简单的;直接的;坦率的5._______n.程序;手续;步骤6._______v.着手;从事;承担7.______v.反对；不赞成→______n.不赞成；反对；异议8.______adj.道德（上）的;伦理的→______adv.道德上地;伦理上地9.______vt.&vi.积累;聚积→______n.积累;聚积10.______vi.退休;离开→______n.退休11.______vt.打