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However, crocodiles' short, rounded and sparsely arranged teeth do not have the function of cutting flesh. Their main function is to hook and inject the skin of prey during hunting to prevent prey from escaping. Land carnivores pay more attention to chewing, so they do not have such function.《C.S.I.拉斯维加斯》是一部受欢迎的美国刑事系列电视剧，由亚特兰提斯同盟与哥伦比亚广播公司联合制播，从2000年10月6日开始播映，内容是描述一组刑事鉴识科学家的故事。剧中案件发生地点是设定在今日美国内华达州的拉斯维加斯。之所以选择拉斯维加斯，主要的原因是拉斯维加斯都会警察局的犯罪研究室是全美第二活跃的，仅次于联邦调查局在弗吉尼亚州匡提科的实验室。There are two examinations each year in: April and October, before this to the local self-examination office registration (entrusted by the state), for admission ticket, buy books (Wen Kao only takes an examination of pedagogy and psychology), after the examination, you will get the interview of the local education bureau, after the interview, you can receive the qualification certificate and be qualified to be a teacher.孙悟空的修为还在周青之上，周青前来寻求帮助，孙悟空自然心有所感。范增轻轻点头。　　甚至到了最后，连案件最初的本源都迷失了。一本正经？恐怕到了这个法庭也没法继续绷住脸孔了……　　这下子我们的顽皮小少爷会轻易答应吗？Sky时刻想着要打破保镖先生的规矩，然而两人开始慢慢对彼此有了更深入的了解。两人共同经历了很多的挫折、危险以及来自各方的考验，最后产生了一份伟大的爱情，即使需要牺牲掉两人的生命，他们也会义无反顾。