问题
多项选择题
火灾探测器的主要技术性能和要求（）
A、可靠性B、工作电压和允差
C、响应阈值和灵敏度
D、监视电流
E、允许的最大报警电流
F、报警电流
G、保护面积
H、工作环境条件
答案
参考答案：A, B, C, D, E, F
搜题请搜索小程序“爱下问搜题”
火灾探测器的主要技术性能和要求（）
A、可靠性B、工作电压和允差
C、响应阈值和灵敏度
D、监视电流
E、允许的最大报警电流
F、报警电流
G、保护面积
H、工作环境条件
参考答案：A, B, C, D, E, F
Everyone in the village knew who Ugly was. Ugly was a_1__with many injuries. His left foot appeared to have been badly broken .Ugly only loved two things in this world: eating garbage and ,shall we say ,__2 __.However, every time someone saw Ugly there was the__3__reaction. All the children were warned not to___4_him, and the adult threw rocks at him when he tried to follow them. Whenever he found children, he would come running and putting his head against their hands. If you ever _5___him up he would immediately begin suckling（允吸）.on your shirt, fingers, whatever he could find . One day, Ugly shared his love with the neighbour’s__6_dog . They did not respond _7_,and Ugly was badly treated . Even from the end of the__8_I could hear his screams, and I tired to rush to his aid. By the time I got to where he was __9,it was clear Ugly’s life was almost at an end. It must be_10_him terribly, I thought . Then I felt a familiar sucking feeling on my _11___. Ugly, in so much ___12_, was trying to suckle my ear. I pulled him closer to me , and he_13_suckled my fingers and watched me .Even in the greatest pain, that ugly cat was asking only for a little love ,perhaps some __14_.At that moment I thought Ugly was the most 15___and loving creature I had ever seen .Never once did he bite me, or even try to get away from me. He just _16___me completely trusting in me to relieve his pain. Ugly died in my __17__before I could get inside. He taught me more about __18__than a thousand books, lectures, or talk show ever could . He had been __19__on the outside ,__20_ I was on the inside .To give my pity and love to those I cared for.
小题12:A pain B. excitement C. happiness D. worry
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