长远来看,最有可能改善安全事件反应程序的选项是()
A、通盘检查事件反应程序和流程
B、事件反应小组的事后检查、回顾
C、对用户不断地安全培训
D、记录对事件的反应过程
参考答案:B
This city, ______ lies in the northeast, was the country's busiest port from 1648 to 1950.[ ]
A. that
B. which
C. what
D. where