焊接结构生产工艺流程所涉及的生产步骤概括为技术准备、备料加工、（）和结构质量检验四个相互衔接的工艺环节。
A. 焊接工艺
B. 焊接方法
C. 装配-焊接
D. 焊接试验
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LCD显示器，是一种数字显示技术，可以通过液晶和彩色过滤器过滤光源，在平面板上产生图像，也称（）。
发电机的运行时的实际输出功率以功率表为准还是以电流表为准？
Rate your level of proficiency with managing and implementing disaster recovery. （）
A. I am considered an expert on this. I have successfully done this multiple times without assistance or error. I train or supervise others on this activity. Others come to me when they have questions or need assistance with this.
B. I have successfully done this without assistance and with few errors, but I do not train or supervise others on this activity.
C. I am proficient at this. I have successfully done this on my own, but I occasionally require assistance for some types of problems encountered when doing this and/or occasionally make minor errors.
D. I have successfully done this with the assistance of others or specific instructions.
E. I am a novice. I have not done this yet or I am learning.
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