She is very good at painting. She can paint _______ her teacher. [ ]

A. as better as

B. as well as

C. as good as

D. so well as

细菌在液体培养基内生长繁殖后出现的现象（）

A.菌膜

B.菌苗

C.菌落

D.菌苔

E.菌体