—Look at our model of space station. Do you like it?

—Yes, it is as            as ours.[      ]

A. interesting

B. more interesting

C. most interesting

D. the most interesting

龈上洁治术后牙本质过敏应选用的脱敏药物是（）

A.碘化银

B.75％氟化钠糊剂

C.晶体麝香草酚

D.氨硝酸银

E.以上都不是