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采石场电气设备的紧急事故处理需要先填工作票以协助安排维修工作。()

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选词填空time for reach for at the moment team invite appetite come across put up pastime beware
1.The 2008 Beijing Olympic Games were such a good _______ the world to know more about China.
2.Sorry, I can't give you an answer _ .I need to think about it further.
3.The professor encourages us to opportunities instead of waiting for good luck.
4.The organizer has a number of famous singers to perform. at the opening ceremony (开幕式).
5.The great progress they have made comes from their good work.
6.Exercise will always give you a good .
7.The computer can easily get stuck, so you must of computer viruses.
8.Before it got dark the campers their tent in a field.
9.When I a new word, I write it down in my notebook.
10.Chatting with friends over the Internet in the dead of night is probably my only _____.

本讲提到，“传播中国好声音”讲的是内容，但是“传播好中国声音”讲的是效果和策略。()

危险有害因素的辩识是企业编制应急救援预案的基础。()

事故应急体系是开展应急救援活动的行动计划和实施指南。()