何谓药物和毒物？如何理解二者间辨证关系？
依照《中华人民共和国政府采购法实施条例》规定，有下列情形属于恶意串通的有（） 供应商直接或者间接从采购人或者采购代理机构处获得其他供应商的相关情况并修改其投标文件或者响应文件。 供应商按照采购人或者采购代理机构的授意撤换、修改投标文件或者响应文件。 供应商之间协商报价、技术方案等投标文件或者响应文件的实质性内容。 属于同一集团、协会、商会等组织成员的供应商按照该组织要求协同参加政府采购活动。
下列有关D组贸易术语的说明中，与《2000年通则》的规定不符的是（）。 采用D组术语成交的合同属于到达合同。 采用D组术语成交时，买方无义务办理货运保险。 采用D组术语成交时，均由卖方办理出口通关手续。 采用D组术语成交时，均由买方办理进口通关手续。
You are responsible for administering the Production OU. You are assigned the Allow - Full Control permission for the OU. All computer objects in the Production OU are administered by another administrator named Tom. The Production OU contains the computer account for a Windows Server 2003 computer named Testking1. Tom submits a list of configuration settings that he wants to apply to Testking1 by means of a Group Policy object (GPO). A GPO that contains Tom's required settings is created in another OU by the domain administrator. You only want to allow Tom to link existing GPOs to the Production OU. He must not have any more rights than he needs to perform the required tasks. What should you do?（） Add Tom's user account to the Group Policy Creator Owners group in the domain.。 Run the Delegation of Control Wizard and assign Tom's user account the Allow - Manage group policy links permission for the Production OU.。 Run the Delegation of Control wizard and assign Tom's user account the Allow - Change permission for the Production OU.。 Run the Delegation of Control wizard and assign Tom's user account the Allow - Apply group policy permission for all GPOs that are linked to the Production OU.。
导致锅炉受热面酸性腐蚀的元素是（） 碳。 硫。 氧。
改善心智模式是指（）
