选择题：下列各项不属于合同成立一般要件的是()A.当事人实际交付合同标的物B.存在双方或多方订约当事人C.

下列叙述正确的是A.系统软件与具体应用领域无关B.系统软件与具体硬件逻辑功能无关C.系统软件是在

共用题干 The Interpersonal Skills of Children Without SiblingsMany parents may think that each new sibling（兄弟姐妹）offers their children the gift of companionship.But while we tend to think that siblings teach one another conflict resolution and other interpers

企业发生的超支的广告费应记入( )A.销售费用B.管理费用C.制造费用D.财务费用

下列行为中属于承诺的是()A.投标人投标B.第三人向要约人作出接受要约的表示C.拍卖人的拍定D.受要

共用题干 Operation MigrationIf you look up at the sky in the early fall in the northern part of North America,you may see groups of birds.These birds are flying south to places where they can find food and warmth for the winter.They are migrating（迁徙）.The you