请根据句意及英文释义选择填空。(5分)

小题1:—Mom, I’d like some hamburgers. I think they are very ____ (nice, good).

—OK, we’ll have them for lunch.

小题2:—Please come in and have a ____ (seat, sit).

—Thank you.

小题3:—Dad, would you like to ____ (get, take) a new bike for me?

—Sure. What color would you like?

小题4:These are your oranges. Those are ____ (my oranges).

小题5:—What time do you often get up in the morning?

—At a ____ (fifteen minutes(分钟)) past six.

吸附分离装置对原料中羟基数的要求是（）。

A.≤1

B.＜2wt%

C.＜2VOL%

D.＜2