根据句意和汉语注释，在答题卡标有题号的横线上，写出单词的正确形式：

小题1:The little boy wishes to own the robot which can do _________ (任何事) it is asked to.

小题2:_________（比较）with the size of the whole earth, the biggest country doesn’t seem big at all.

小题3:People living in poor mountain villages are in need of ____________（医疗的）care.

小题4:In some countries, men and women are ____________（不同地）treated.

阀门按结构特点主要可分为（）、（）。