外购的形式()
A、合同采购
B、供应商战略联盟
C、国际分包
D、口头协议
参考答案:A, B, C
As we know, the 2010 Word Cup _______ in South Africa on June 11, 2010.
A.takes place
B.took place
C.is taken place
D.was taken place
市场中设计呈现出哪些状态?