轮齿的齿厚S与齿槽宽e相等的圆是（）。 齿顶圆。 齿根圆。 分度圆。
You are a security administrator for your company. The network consists of three Active Directory domains. All Active Directory domains are running at a Windows Server 2003 mode functionality level. Employees in the editorial department of your company need access to resources on file servers that are in each of the Active Directory domains. Each Active Directory domain in the company contains at least one editorial department employee user account. You need to create a single group named Company Editors that contains all editorial department employee user accounts and that has access to the resources on file server computers. What should you do？（） Create a global distribution group in the forest root domain and name it Company Editors.。 Create a global security group in the forest root domain and name it Company Editors.。 Create a universal distribution group in the forest root domain and name it Company Editors. 。 Create a universal security group in the forest root domain and name it Company Editors.。
简述”瀑布模型”与”原型模型”的差异？
患者李某，以腹胀、腹痛、排果酱样便为主诉入院，需行保留灌肠治疗，护士在操作过程中应指导患者采取：（） 平卧位。 俯卧位。 左侧卧位。 右侧卧位。 屈膝仰卧位。
转塔系泊生产储油轮的浮式生产系统的主要优缺点是什么？它适合开发什么样海区的油田？
谈及苏联1932―1933年饥荒发生的原因时，波兰历史学家伊萨克•多伊彻这样说到：“他们（农民）屠宰的牝牛有1500多万头，绵羊和山羊约4000万只，猪700万只、马400万匹。全国牲畜减少了一多半。”对此解释最为合理的是（）。
