根据下列各句句意和空白之后的汉语提示词，写出对应单词的正确形式，每空只写一词。

小题1:The little boy is ____________ (谦虚).

小题2:They ____________ (克服)a lot of difficulties last year.

小题3:Our army is well ____________ (装备).  

小题4:His____________ (面部的)expression looked very serious.

小题5:He ____________ (对准，聚焦)his camera on the building in the distance.

小题6:Her ____________ (主修科目)is French.

小题7:The naughty boy ____________ (解释) the reason why he was late for school.

小题8:Smoking has a ____________ (有害的) effect on our health.

小题9:The films are suitable for____________ (成年人)only.

小题10:What did she ____________ (低语)in your ear?

进行冷却机工艺布置时，应使篦床中心线与回转窑中心线有一定的偏离，其目的是（）