简述计算机中信息组织的层次结构。
Which of the following procedures are involved in the recommended three-step troubleshootingflow？（Choose the best three answers.）（） ["Problem report","Problem collaboration","Problem diagnosis","Problem resolution","Problem documentation","Probiem authenticatio"]
外墙内保温冬天室内的墙体温度与室内墙角（保温墙体与不保温板交角处）温度差约在（）℃左右。 ["5","10","15","20"]
企业生产所需原材料的投入成本一般属于（） ["固定成本","隐含成本","沉没成本","可避免成本"]
基本视图有哪些？
市场失灵
