活性染料成键稳定性
参考答案：活性染料和纤维间形成酯键或醚键等共价键的水解稳定性。
An analyst does research about yield spread. Which of the following embedded options in a bond is most likely t0 result in the highest yield spread over a comparable option-free Treasury security（）
A. Call option.
B. Floor on a floater.
C. Conversion option.
下述处理哪项错误（）。
A.碳酸烧伤可用酒精中和
B.强酸烧伤用强碱中和后大量清水冲洗
C.强碱烧伤先用大量清水冲洗，再用1%的醋酸中和
D.生石灰烧伤应去除粉末后再冲洗
E.磷烧伤应设法将磷与空气隔绝
