各级安全生产监督管理部门应当组织实施本行政区域内重点生产经营单位的应急预案培训工作。
参考答案：对
I have always been honest and straightforward, and it doesn't matter _____ I'm talking to. [ ]
A. who is it
B. who it is
C. it is who
D. it is whom
It was just at the time the bell rang he finished the last word in his composition.
A．when; which
B．that; when
C．when; that
D．that; which
