问题补充:
It is clear that the whole world is passing through a social revolution in which a central must be taken by scientists and technologists.
A. process
B. attention
C. measure
D. part
答案:
A. process
B. attention
C. measure
(答案→)D. part
解析:本题译文:显然,整个世界正经历着一场社会革命;科学家和技术人员必定是这场革命地主要参加者。take part in参加。