The teacher asked the boys ____ on the wall. [ ]

A. to not draw

B. don't draw

C. not draw to

D. not to draw

治疗萎缩性鼻炎时应用复方薄荷油、清鱼肝油滴鼻的目的是（）。

A.抑制细菌生长

B.润滑黏膜

C.促进黏膜血液循环

D.软化脓痂便于擤出

E.减少鼻腔通气量