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1.1 Direct AttacksLiz 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.该剧讲述了年轻漂亮的电脑工程师文丽，在暗中搜集调查其仇人张广富的资料，准备为父亲报仇。　　《蚁族的奋斗》年轻角色不需装嫩Cross-line price: The cross-line price displayed on the commodity is the reference price, not the original price. The price may be the price of the brand counter, the tag price of the commodity or the retail price of the genuine product provided by the brand supplier (such as the manufacturer's guidance price, suggested retail price, etc.) or the sales price of the commodity that has been displayed on the Jingdong platform. Due to the differences in regions and times and the fluctuation of market conditions, the price of brand counters and commodity tags may be inconsistent with those displayed when you shop. The price is for your reference only.顿时，村里就乱了起来，鸡飞狗跳，外加呼天抢地的哭喊声此起彼伏。