有争议的变更是在买卖双方不能就变更补偿达成一致的情况下而要求的变更。这种变更还可被称为以下各项,但不包括()。
A.争议
B.要求
C.诉讼
D.索赔
参考答案:B
As a film star she was a success,but as a wife she was failure,so their marriage ended in failure.
A./;/
B./;a
C.a;a
D.a;/
钢按质量可分为()、()、()三类。