A:{x|x<-1或x>1}
B:{x|x<-1或x≥1}
C:{x|x<-1且x≥1}
D:{x|x≥1}
Our school library has floors, and the reading room is on the floor.
假如你生活在秦始皇统治时期,要给朋友写信,所用的字体最有可能的是( )