The visitors here are greatly impressed by the fact that ________ people from all walks of life are

working hard for ________ new Jiangsu. [ ]

A. /; a

B. /; the

C. the; a

D. the; the

从A地到B地的实际距离为240千米，画在1：1000000的地图上的距离为（　　）

A．2.4厘米

B．24千米

C．0.24千米

D．24厘米