物权的权利主体是特定的,而义务主体则是不特定的。( )
参考答案:对
—I'm sorry. I didn't spill the juice on your clothes on purpose.
—
A.Don't mention it.
B.How come?
C.So what?
D.Go ahead.
大体积钢筋混凝土结构浇筑方案有()。
A.全面分层
B.分段分层
C.留施工缝
D.局部分层