题目内容
响应波长低于400 nm辐 射能通量的探测器称作紫外火焰探测器
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当局部的环境温度升高到规定值以上时，才开始动作的探测器,，称为定温火灾 探测器。
离子感烟探测器的响应灵敏度与烟颜色（无论灰烟还是黑烟）无关。
火灾自动报警系统是由触发装置、火灾报警装置、火灾警报装置和电源等部分 组成的通报火灾发生的集成设备
2. Listen to a monologue (独白) of a job hunter twice and during the second listening,put back the missing words in the blanks.[音频]From 2009 to 2013, I worked as a salesman with ABC International Trade, responsible for the 1 ___________ of Europe. During that period, I got excellent 2 ___________ to use German in writing letters and making phone calls for 3 ___________ business in that country. I also translated some technical 4 ___________ and the Siemens’ operating instructions from 5 ___________ to Chinese.Through working in many 6 ___________ countries, I found that my success in work owes 7 ___________ to my effective communication with people, plus my 8 ___________ and strong ability to use the 9 ___________. Therefore I firmly 10 ___________ I am qualified for this job.
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