现实主义与批判现实主义的根本 区别在于（） ["批判现实主义描写更真实","批判现实主义能够塑造典型环境当中的典型人物","批判现实主义批判现实的力量更强","批判现实主义描写更冷静、更成熟"]
在经济开放的国家或地区，（）加上国外净要素收入等于国民生产总值。 ["生产成本","国民生产净值","国民收入","国内生产总值"]
二次指数平滑法主要用于配合（） ["三次抛物线趋势预测模型","二次抛物线趋势预测模型","季节变动预测模型","直线趋势预测模型"]
Your company has several branch offices. Your network consists of a single Active Directory domain. Each branch office contains domain controllers and member servers. The domain controllers run Windows Server 2003 SP2. The member servers run Windows Server 2008 R2. Physical security of the servers at the branch offices is a concern. You plan to implement Windows BitLocker Drive Encryption （BitLocker） on the member servers. You need to ensure that you can access the BitLocker volume if the BitLocker keys are corruptedon the member servers. The recovery information must be stored in a central location. What should you do？（） ["Upgrade all domain controllers to Windows Server 2008 R2.Use Group Policy to configure Public Key policies.","Upgrade all domain controllers to Windows Server 2008 R2. Use Group Policy to enable Trusted platform Module（TPM） backups to Active Directory.","Upgrade the domain controller that has the schema master role to Windows Server 2008 R2. Use group Policy to enable a Data Recovery Agent （DRA）.","Upgrade the domain controller that has the primary domain controller （PDC） emulator role to windows Server 2008 R2. Use Group Policy to enable a Data Recovery Agent （DRA）."]
有害组分？
白居易前、后期思想变化对他的诗歌创作有何影响？试举例说明。
