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( )。

投资的动机可分为:(1)进取原因；(2)防御原因。( )A.正确B．错误

单项选择题投资的动机可分为:(1)进取原因；(2)防御原因。( )

Supply chain is sometimes called the value chain or dem...

单项选择题Supply chain is sometimes called the value chain or demand chain. ( )

Transportation is the operational area of logistics tha...

单项选择题Transportation is the operational area of logistics that geographically moves and positions ( )