题目

The writer Devin with his friend Johnson went to his favourite news-stand. Johnson  21 the salesman selling the newspapers gently, but in return he received poor 22 . The salesman never even looked up at his customer when he 23the late-night edition. Accepting the 24 , Johnson politely smiled and wished the salesman a pleasant weekend. The salesman made an unclear sound and seemed 25that the two men had completed their business. As the two friends walked down the street, Devin asked, “Does he always treat you so 26 ?”“Yes, 27 , he does,” Johnson responded. “And are you 关于铁及其化合物的性质和用途的叙述中，正确的是 A．用铝锅炒菜比用铁锅好 B．Fe2O3俗称铁红，常用作红色油漆和涂料 C．黑色的FeO不溶于水，也不溶于盐酸 D．FeSO4溶液在空气中可长期存放，不会变质