下列物品属于兴奋剂的有哪些？（） 苯丙胺类（冰毒）。 苯丙胺类衍生物MDMA、MDA（摇头丸）。 可卡因。 咖啡因。
按照迈克尔・波特的划分，以下哪一种不属于竞争战略？（） 总成本领先战略。 差别化战略。 纵向一体化战略。 重点战略。
All client computers in your company run Windows 7 Enterprise. Each client computer runs one guest virtual machine (VM) in Windows Virtual PC . A user reports that a supported USB device connected to his client computer does not appear in the guest VM. The USB device functions correctly on the client computer. You need to ensure that the USB device can be installed in the guest VM. What should you do？（） Use Virtual PC Manager to attach the USB device on the host.。 Run the Add Hardware Wizard in the guest.。 Use the Computer Management console to scan for hardware changes in the guest.。 Use the Computer Management console to update the USB Virtualization Bus driver on the host.。
You have a computer that runs Windows 7 Professional. A USB disk is attached to the computer. You needto ensure that you can enable BitLocker To Go on the USB disk. What should you do？（） Enable Encrypting File System （EFS）.。 Upgrade the computer to Windows 7 Enterprise.。 Initialize the Trusted Platform Module （TPM） hardware.。 Obtain a client certificate from an enterprise certification authority （CA）.。
简述人格中的自我调控系统
党组织讨论决定问题，必须执行少数服从多数原则。下列不属于此原则范围的是（）。
