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Liz 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.(1) The server on the server side is a thread, and a dead loop is executed in the thread to block and monitor the connection requests and communications of the client side.那……指挥使远远瞅了眼叫嚣的倭寇，俞总兵若有难，唤我们前去支援便是了。自己那无可辩驳的寒碜现状暴露无疑，施世纶在八岁那年，母亲带施探亲，施却突然失踪，三日后才返，却如撞邪般，变得呆滞木讷，三日内遇过的事全部失忆，左手更折断，从此无力提物。娥内疚自己对施的疏忽照顾，在施成长中，万事替他安排妥当，这种过份关爱却令施养成「凡事不用脑」的习惯，本来聪明的施，却因疏于思考及被过度保护，反令脑袋欠缺训练，潜藏的智慧一直被埋没。施自那次失踪后，连读书也有障碍，其母娥早知施难循正途入仕，只能捐官令施当上县官，也算向祖宗有个交代。施背后有娥以钱通神，聘来古惑师爷协助，每每闪电破案，本来自卑的施逐步回复自信，自以为是一流好官，老婆们亦仰慕崇拜。施又到江都县上任，以为与娘亲及三个老婆又是继续过着度假式生活，怎料却遇上连番奇案！她想起多年前，她带着一双儿女在田间劳作时，一位过路的老者讨水喝，称她母子三人有贵人之相，看来所言不差。9. December-February in winter, By this time the lobsters had all entered the cave to escape the cold. By this time lobster was already in short supply, It was the highest price of the year, Our situation on the ground is that, By this time, Some idle people took shovels and dug holes everywhere to catch lobsters. At this time, there is usually no water in the pond. Lobster holes are all on the shore, An experienced person can see the lobster hole at a glance. At this time, some of them can be caught and sold. The price is generally twice that of summer. Of course, lobsters with eggs should be put back. It is said above that they basically hatch in October. Why are there still lobsters with eggs at this time? It is because lobsters are of different sizes and do not mature sexually at the same time. At this time, lobsters usually do not hatch until March of the following year because of the low temperature. Our local price at this time is: Lobster with mud collected 18-20% last year, basically with half of the mud, which is about 30 yuan. Taking mud in winter makes people feel that it was dug out of the hole. Even if it is not, it will be pasted with mud, which is basically a hidden rule. Just like selling crabs with ropes, selling 70 people without ropes is too expensive. Taking a few taels of ropes and lowering the price will make it easier for people to accept it.