题目

遥看瀑布挂前川的前一句是（ ）A.飞流直下三千尺 B.日照香炉生紫烟 答案：【答案】B【解析】略This exercise is            difficult            . A. so, that few of us can do B. so, that few of us can do itC. too, for anyone of us to do it