选择题：依据《招标投标法》的规定，招标人在分析招标失败的原因并采取相应措施后，应当依法重新招标的情形包括（ ）。

Production possibilities curves for large economies are generally bow-shaped because:这是一个关于微观经济学 中国大学MOOC微观经济学的相关问题，下面我们来看答案是什么，Production possibilities curves for large economies are generally bow-shaped because:A.as more resources are used to produce a good, those resources become less expensive.B.opportu

Refer to the figure below. The opportunity cost of increasing medical care from 200 to 400 units is __ the opportunity cost of increasing medical care from 400 to 600 units.这是一个关于微观经济学 中国大学MOOC微观经济学的相关问题，下面我们来看答案是什么，Refer to the figure below. The opportunity cost of increasing medical care from 200 to 400 units is __ the opportunity cost of increasing medical care from 400 to 600 units.A.twice

某施工项目施工完成后，承包人自检合格并向工程师提出竣工验收申请。经验收检验后确认达到竣工验收标准。根据《建设工程施工合同（示范文本）》，承包人的竣工日应确认为()A、承包人自检合格日 B、承包人递交竣工验收报告日 C、竣工验收开始日 D、竣工验收完毕，有关各方在竣工验收报告签字日

You have noticed that your next-door neighbor, Mary, always works in the garden, and her husband, Joe, always walks the dog. You conclude that if Joe and Mary are efficient, then it must be the case that:这是一个关于微观经济学 中国大学MOOC微观经济学的相关问题，下面我们来看答案是什么，You have noticed that your next-door neighbor, Mary, always works in the garden, and her husband, Joe, always walks the dog. You conclude that if Joe and Mary are efficient, then i

The Principle of Increasing Opportunity Costs states that:这是一个关于微观经济学 中国大学MOOC微观经济学的相关问题，下面我们来看答案是什么，The Principle of Increasing Opportunity Costs states that:A.when increasing production, resources with the lowest opportunity costs should be used first.B.opportunity costs increas