问题详情：
As work in the nuclear power station is dangerous, the company is preparing to some of its workers with robots.
A. represent B. replace
C. exchange D. reduce
【回答】
【解析】选B。根据题意 “在核电站的工作危险” 可知应使用replace sb. with. . . , 表示 “用……替换/取代某人” 。represent “代表” ; exchange “交换” ; reduce “减少” 。
知识点：动词
题型：选择题
