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I. RoleLiz Bonnin presents a controversial and provocative episode of Horizon, investigating how new scientific research is raising hard questions about zoos - the film explores how and why zoos keep animals, and whether they need to change to keep up with modern science or ultimately be consigned to history.Should zoos cull their animals to manage populations? Liz travels to Copenhagen Zoo, who killed a giraffe and fed it to the lions, to witness their culling process first hand. They think it is a natural part of zoo keeping that is often swept under the carpet. Should some animals never be kept in captivity? In a world exclusive, Liz visits SeaWorld in Florida and asks if captivity drove one of their orcas to kill his trainer.But could zoos be the answer to conserving endangered species? Liz examines their record, from helping breed pandas for the wild to efforts to save the rhinos. She meets one of the last surviving northern white rhinos and discovers the future of this species now lies in a multimillion-dollar programme to engineer them from stem cells. Veteran conservation scientist Dr Sarah Bexell tells Liz the science of captive breeding is giving humanity false hope.最终，她决定不认周丽琴，还是要一个人生活，让其他身边的人恢复平静的生活。野鸭子爱上了周丽琴的司机杨顺，野鸭子和杨顺要结婚，她要开创自己的新生活。The following is the prisoner's statement. If the pressure resistance is not good, don't look at it.　　可是一系列抽丝剥茧的调查与惊心动魄的冲突，不断让事情发生转变。危机四伏的境外势力暗潮涌动，爱情是否真挚？兄弟是否各怀鬼胎？不断的怀疑与试炼使主人公深陷重围。“悍土孤城，向死而生”，真相也以随时付出生命为代价，逐渐浮出水面……陈桃花，是一个特别的女孩，也是春风镇无人不知无人不晓的风云人物，但她的特别，并不是来自於她本身，而是她那四个不论在外表出众的四个哥哥，他们四个每一个皆是女孩心目中的完美情人，但真正让他们声名大噪的，并不只是他们过人的优质魅力，而是他们对妹妹的过度疼爱……If you listen to three divs, you will find out. . .