问题补充:
It has always been the of our firm to encourage workers to take part in social activities.
A. plan
B. campaign
C. procedure
D. policy
答案:
A. plan
B. campaign
C. procedure
(答案→)D. policy
解析:本题译文:本公司的一贯方针是鼓励工人参加社会活动。policy(尤指政党、政府、大企业、商行等的)政策,方针。Campaign(政治或竞选的)运动;(军事的)行动,procedure做事的手续、程序,rule规则,plan计划,均不合题意。