【正确答案】：
47.
A. MARK TWAIN IS KNOWN AS A LOCAL COLORIST.HE PRESENTS SOCIAL LIFE THROUGH PORTRAITS OF THE LOCAL CHARACTERS OF HIS REGIONS,INCLUDING PEOPLE LIVING IN THAT AREA,THE LANDSCAPE,AND OTHER PECULIARITIES.(2分)
B.ANOTHER FACT THAT MADE MARK TWAIN UNIQUE IS HIS MAGIC POWER WITH LANGUAGE,HIS USE OF VERNACULAR.(1分)
C.HE USED THE COLLOQUIALISM TO CAST HIS PROTAGONISTS IN THEIR EVERYDAY LIFE.HIS CHARACTERS SPEAK WITH A STRONG ACCENT.DIFFERENT CHARACTERS FROM DIFFERENT LITERARY OR CULTURAL BACKGROUNDS TALK DIFFERENTLY.(2分)
D.HIS HUMOR IS REMARKABLE.(1分) 
【题目解析】：A：马克·吐温是当地有名的调色师。他通过描绘当地的人物，包括生活在该地区的人、景观和其他特色，来呈现社会生活。 B：马克·吐温的另一个独特之处是他使用方言的语言魔力。 C：他用口语化的手法刻画主人公的日常生活。他笔下的人物说话带有浓重的口音。不同文学或文化背景的人物说话方式不同。 D：他的幽默是非凡的。