---Does the child need any help?

----No. He is old enough to _____ himself.

A．put on

B．wear

C． take care.

D． dress

接触性皮炎病因去除或恰当处理后可在多长时间内痊愈：

A．水剂
B．水粉剂
C．软膏
D．油剂
E．粉剂