油气管道仪表及自动化系统中4mA～20mA信号制的仪表宜采用隔离式安全栅。隔离式安全 发布时间：2017-11-17 17:57 │ 来源：www.tikuol.com 题型：填空题 问题： 油气管道仪表及自动化系统中4mA～20mA信号制的仪表宜采用隔离式安全栅。隔离式安全栅的校准方法应按（）的要求执行。安全栅应具有良好的接地。
题型：填空题 完形填空。 Nancy Volk operated a sidewalk cafe in Anoka, Minnesota to support her family. Dan Heins, one of the cafe's regular customers, had a 1 kidney dialysis (透析) from 6 to 10 a.m. on Tuesdays, Thursdays, and Saturdays, after 2 at the cafe. The 56-year-old owner of the small cafe, Nancy 3 that Heins' diabetes (糖尿病) was 4 for his kidney failure and the cut-off of his leg. And Danknew that Nancy, a single mother with three daughters, worked two other jobs to 5 the cafe open and meet her housing loans. One morning as he ordered his breakfast, he 6 he would be on kidney dialysis the rest of his life if he didn't receive a(n) 7 . Nancy didn't hesitate, simply saying "I'll donate". A normal 8 volunteered to give him an organ? It seemed 9 to Dan, and Nancy had to spend a few weeks 10 him she was serious. The day before Thanksgiving in 2007, the results of the medical tests came in: she was a 11 . While they were waiting for the transplant, Dan's 12 leg was cut off and Nancy's financial 13 grew from bad to worse. Nancy decided to close the cafe last September much 14 she loved it. At the same time, her home was going into 15 . Dan's insurance would 16 her surgery costs, but she was worried too much that she wouldn't be able to work the part-time jobs for six weeks. Steve Ohlsen, another customer of the cafe, 17 a donation box near the register. In less than one month, people gave Nancy several thousand dollars-enough to ensure 18 on her home while she recovered. Nancy and Dan had their 19 in September. Four months later, Dan is 20 dialysis, and Nancy has sentthank-you notes to her supporters. ( )1. A. route ( )2. A. breakfast ( )3. A. guessed ( )4. A. serious ( )5. A. keep ( )6. A. shouted ( )7. A. operation ( )8. A. friend ( )9. A. exciting ( )10. A. cheating ( )11. A. match ( )12. A. another ( )13. A. position ( )14. A. although ( )15. A. trouble ( )16. A. offer ( )17. A. made ( )18. A. payments ( )19. A. personalities( )20. A. off B. way B. supper B. knew B. impossible B. run B. murmured B. surgery B. relation B. unreal B. convincing B. partner B. other B. profession B. while B. business B. provide B. laid B. expenses B. supporters B. down C. service C. lunch C. imagined C. responsible C. cause C. smiled C. transplant C. shopkeeper C. unusual C. informing C. companion C. more C. situation C. though C. service C. give C. placed C. repairs C. surgeries C. up D. routine D. dinner D. concluded D. important D. want D. informed D. transfer D. student D. moving D. involving D. mate D. neither D. condition D. when D. luck D. cover D. set D. fees D. lives D. to 查看答案
题型：填空题 一般人总会这样认为，既然人工智能这门新兴学科是以模拟人的思维为目标，那么，就应该深入地研究人的生理机制和心理机制。其实，这种看法很可能误导这门新兴学科。虽然飞机发明的最早灵感是来自于鸟的飞行原理，但现代飞机从发明、设计到不断改进，没有哪一项是基于对鸟的研究之上的。 上述议论，最可能把人工智能的研究比作以下哪项A．对鸟的飞行原理的研究。B．对鸟的飞行的模拟。C．对人思维的生理机制和心理机制的研究。D．飞机的设计制造。E．飞机的不断改进。 查看答案