以下是gre填空500题答案中的节选内容:
1. In a production process that is complex and often unpredictable, roles that start out discretely defined may become quite ___ .
A. confused
B. perfunctory
C. independent
D. overt
E. exacting
选A
翻译:经常难以预测的复杂工序,可能使原本就自说自话的分工变得相当混乱。
role 角色,功能,职责
start out 出发,动身,启程
discretely 分离的,截然分开的
perfunctory 例行公事的,敷衍的,马虎的,不认真的
overt 公开的
exacting 苛刻的,难以取悦的,艰巨的,吃力的