已知有如下转换关系:
Ⅰ. →KMnO4/H+
Ⅱ. →Fe/HCl (苯胺,易被氧气氧化)
回答下列问题:
Don't listen music in the classroom hallways.
He seems ____ something.
下列措施中,能使蒸发变快的是( )