员工培训规划的贯彻实施是员工培训开发系统运行的()。
A.首要环节
B.关键环节
C.重要基础
D.最后环节
参考答案:B
解析:员工培训规划的贯彻实施是员工培训开发系统运行的关键环节。
Mary ______ my letter; otherwise she would have replied before now.
A. has received
B. ought to have received
C. couldn't have received
D. shouldn't have received
创作讽刺喜剧《一只马蜂》、《压迫》的剧作家是()。