You have a computer that runs Windows XP Professional. Five users share the computer. A user named User1 is a member of the Power Users group and the Administrators group. User1 has encrypted files on the computer. User1 takes an extended leave of absence. You need to ensure that users cannot access the computer as User1. You must be able to provide User1 access to the files upon User1’s return. What should you do?（） Disable the User1 account.。 Add User1 to the Guests group. 。 Reset the password for the User1 account. 。 Rename ntuser.dat as ntuser.man in the User1 user profile.。
治疗鸡组织滴虫感染有效的药物是（） 地美硝唑。 红霉素。 马杜霉素。 青霉素。
降价是市场上常见的促销方式，但为什么高档的化妆品、轿车等产品可以降价促销?
You have a computer that runs Windows 7. You add a new hard disk drive to the computer and create anew NTFS partition. You need to ensure that you can use the Previous Versions feature on the new drive. What should you do?（） From Disk Management, convert the new disk to a dynamic disk.。 From System Properties, configure the System Protection settings.。 From System and Security, enable BitLocker Drive Encryption (BitLocker).。 From the properties of the new drive, create a share and modify the caching settings.。
QC小组的活动程序是什么？
锅炉过热器的主要作用是（）
