企业集团是一个企业联合体,自身不是法人实体。
参考答案:对
—_______?
—She's staying at home. [ ]
A. Where is she
B. What is she doing this weekend
C. Where are you going
D. How long is Lily staying at home
脉冲电子围栏应提供有效的质量证明材料是()。
A.3C认证证书
B.型式检验报告
C.生产登记批准书
D.委托检验报告