根据中文提示写出单词或词组，使句意完整、正确。

小题1:We must ask him to give up           (抽烟). It’s bad for his health.

小题2:Robots cam make people             (懒惰).

小题3:You can           (抄写) the new words in the workbook.

小题4:We have all kinds of             (炊具) in Chinese food culture.

小题5:I live near my office. So I walk to work            (代替) going by car.

下列何组云是按照云底高度由高到低排列的（）

A.Cs，As，Ns

B.Ns，As，Nc

C.Cc，Ac，Cs