色泽鲜艳、皂洗牢度高的可染棉织物的染料有（）、还原染料等。
参考答案：活性染料
--- I promise to go shopping with you if you help me with the housework.
--- ____ You are the last person to keep a promise.
A．That’s great!
B．How come?
C．I don’t agree.
D．Come off it!
下列何药不产生α受体阻断效应：
A．酚苄明B．酚妥拉明C．氯丙嗪D．美托洛尔E．妥拉唑啉
