【单选题】马克思说:“在第二次鸦片战争中,俄国不需要花费一文钱,出动一兵一卒,而能比任何一个参战国得到更多的好处。”这里的“好处”主要说的是( )。
【单选题】It is not considered ________ in this country to touch the head of an adult person.
【单选题】It is not considered______to litter in public.
【单选题】It is not considered ______ to pick one's teeth in public.
【单选题】it is not considered ______to pick one' s teeth in public.