单项选择题
原合同一方当事人将其在合同中的权利和义务一并转让给第三人,属于合同( )。
单项选择题 投资的动机可分为:(1)进取原因；(2)防御原因。( )
单项选择题 Supply chain is sometimes called the value chain or demand chain. ( )
单项选择题 Transportation is the operational area of logistics that geographically moves and positions ( )
