自动喷水灭火系统的中危险级要求喷头布置的间距为（）。A.3.6m或3.4m B.4. 发布时间：2017-11-23 17:02 │ 来源：www.tikuol.com 题型：单项选择题 问题： 自动喷水灭火系统的中危险级要求喷头布置的间距为（）。A.3.6m或3.4mB.4.0mC.2.5mD.3.0m
题型：单项选择题 根据短文大意，从各题所给的选项中选择可以填入空白处的最佳选项。将其代号填入题前括号内。 Life is not easy,so I’d like to say,"When anything happens, believe in yourself." When I was a young boy, I was too 1 to talk to anyone. My classmates often laughed at me. I was sad but could do 2 . Later, something happened, andit changed my life. It was an English speech(比赛) competition. My mother askedme to take part in it. What a terrible idea! It meant I had to speak 3 all the teachers and students of my school! "Come on, boy. Believe in yourself. You are sure to 4 ." Then mother andI talked about many different topics(话题). At last I 5 the topic "Believe in yourself".I tried my best to remember all the speech and practiced it over 100 6 . With my mother’s great love, I did 7 in the contest. I could hardly believe my 8 when the news came that I had won the first place. I heard the cheers from the teachers and students. Those classmates who once looked downon me, now all said "Congratulations!"to me. My mother hugged (拥抱) me and cried 9 . Since then, everything has 10 for me. When I do anything, I try to tell myself to be sure and I will find myself. This is true not only for a person but also for a country.( )1. A. shy ( )2. A. something ( )3. A. after ( )4. A. win ( )5. A. reached ( )6. A. times ( )7. A. quietly ( )8. A. hands ( )9. A. sadly ( )10. A. changed B. sad B. nothingB. with B. lose B. broughtB. words B. well B. arms B. warmly B. asked C. excited C. anything C. before C. beat C. chose C. sentencesC. slowly C. ears C. badly C. gone D. happy D. everythingD. among D. pass D. thought D. topics D. fast D. eyes D. excitedly D. come 查看答案