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.

能有效地防止风、沙、雨雪或灰尘的侵入，减少液体蒸发损失，减少罐壁顶腐蚀的油罐为（）

A.固定顶储罐

B.无力矩顶储罐

C.外浮顶储罐

D.内浮顶储罐