出租无形资产取得的收益，在利润表中应列入（）。
You are creating an assembly named Assembly1.Assembly1 contains a public method. The global cache contains a second assembly named Assembly2.You must ensure that the public method is only called from Assembly2.Which permission class should you use？（） ["GacIdentity Permission","Publisher Identity Permission","Data Protection Permission","Strong Name Identity Permissio"]
痴呆
包装中螺钉的长度与包装上标称的长度不匹配。
研究人员根据精心设计的提纲和研究方案，调取一个地区、一个部门或一个单位的各种文献资料，进行分析研究，形成研究成果，这种研究方法属于（） ["调查法","观察法","文献法","规范研究法"]
哪些工作人员应负工作的安全责任？
