在合同中,客体不变,相应权利义务也不变,此时主体改变也称为( )。
A.合同变更
B.合同转移
C.合同转让
D.合同移转
参考答案:C
He's been ________as judge in the State Supreme Court in California.[ ]
A.determined
B.appointed
C.admitted
D.assumed
暖管时应注意什么?