建设工程索赔依据中最主要的依据是( )。
A．合同文件B．适用法律和法规C．适用标准、规范D．相关证据
参考答案：A
---Mike got injured while he was playing football yesterday afternoon.
--- .
A．That’s nothing.
B．That’s all right.
C．It doesn’t matter.
D．I’m sorry to hear that.
开清棉车肚落棉、梳棉抄斩花、梳棉车肚落棉、精梳落棉称为（）。
