根据句意，在答卷标有题号的横线上，写出括号内所给单词的适当形式。

小题1:How strange he is! Maybe he is the __________ (mad) man I have ever seen.

小题2:The manager asked if the message on the desk was for one of the _________ (salesman).

小题3:After school all the students went out of the classroom __________ (noise).

小题4:The man in his __________ (forty) is the person who saved that boy.

延胡索的药用部位是

A．根茎
B．块茎
C．鳞茎
D．块根
E．须根