有触点电器的触头具有哪几种基本工作状态？各工作状态的关键问题是什么？ 发布时间：2017-07-29 05:30 │ 来源：www.tikuol.com 题型：问答题 论述题 问题： 有触点电器的触头具有哪几种基本工作状态？各工作状态的关键问题是什么？
题型：问答题 论述题 患者，男性，45岁，对称性小关节肿痛伴晨僵3年。近3个月来症状加重，晨僵时间明显延长，并出现干咳，气短，活动后呼吸困难，无夜间阵发性呼吸困难。查体：双手腕关节，掌指关节肿胀，压痛（+），双手握力下降，双肘部发现无痛性皮下结节，两下肺可闻及Velcro啰音（肺底及腋下区可闻及爆裂性啰音）。请选择最佳治疗方案（）。A.慢作用抗风湿药+NSAIDB.慢作用抗风湿药+NSAID+小剂量激素C.小剂量激素+免疫抑制剂D.慢作用抗风湿药+泼尼松1mg/kgE.慢作用抗风湿药+NSAID+抗生素 查看答案
题型：问答题 论述题 完形填空。 I was driving home from a meeting this evening about 5, stuck in traffic on Colorado Blvd, and my car started to choke and then died. I barely managed to walk into a gas station, 1 only that I would not be blocking traffic and would havea somewhat 2 spot to wait for the tow truck (拖车). It wouldn't even turn over. Before I could make the 3 , I saw a woman walking out of the "quickie mart (快餐)" building, and it looked like she 4 on some ice and fell into a gas pump! So I got out to 5 if she was okay. When I got there, it looked more like shehad been overcome by 6 than that she had 7 . She was a young woman who looked really haggard (憔悴的) with 8 circles under her eyes. I asked her if she was okay and if she needed 9 , and she just keptsaying "I don't want my kids to see me 10 ," so we stood on the 11 side of the pump from her car. She said she was 12 to California and that things were very 13 for her right now. So, I asked, "And you were praying?" That made her 14 me a little, 15 I assured her I was not a crazy person and said, "He heard you, and he sent me." I 16 my card and swiped it through the card reader on the pump so she could 17 her car completely, and 18 to the 'next door McDonald's and bought 2 big bags of food, some gift certificates (证书) for more, and a big cup of coffee. She gave the food to the 19 in the car who attacked it like wolves, and we 20 bythe pump eating fries and talking a little. ( )1. A. worried ( )2. A. warm ( )3. A. preparations( )4. A. stepped ( )5. A. ask ( )6. A. sobs ( )7. A. wanted ( )8. A. bright ( )9. A. money ( )10. A. crying ( )11. A. back ( )12. A. flying ( )13. A. hard ( )14. A. close to ( )15. A. and ( )16. A. took out ( )17. A. start out ( )18. A. drove ( )19. A. passer-bys ( )20. A. stood B. angry B. safe B. call B. slipped B. know B. falls B. hoped B. dark B. help B. falling B. high B. hurrying B. easy B. in front of B. but B. put back B. fill up B. hurried B. husband B. sat C. glad C. empty C. bills C. waited C. notice C. hurts C. fallen C. colourful C. support C. walking C. cold C. driving C. bright C. back away from C. so C. handed over C. pull up C. turned C. kids C. walked D. anxious D. large D. dinner D. walked D. see D. tiredness D. imagined D. frozen D. food D. talking D. other D. walking D. smooth D. ahead of D. or D. gave away D. get over D. walked D. boys D. drove 查看答案
题型：问答题 论述题 慢性肺源性心脏病，Ⅱ型呼吸衰竭时，大量使用利尿剂减轻水肿（）A.代谢性碱中毒B.呼吸性酸中毒合并代谢性碱中毒C.呼吸性酸中毒合并代谢性酸中毒D.呼吸性酸中毒E.呼吸性碱中毒 查看答案
题型：问答题 论述题 王鸿的这段话不大会错，因为他是听他爸爸说的。而他爸爸是一个治学严谨、受人尊敬、造诣很深、世界著名的数学家。如果以下哪项是真的，则最能反驳上述结论A．王鸿谈的不是关于数学的问题。B．王鸿平时曾说过错话。C．王鸿的爸爸并不认为他的每句话都是对的。D．王鸿的爸爸已经老了。 查看答案