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20、所谓全部停电,系指供给该配电设备上的所有___均已全部断开者。
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电源线路
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21、安全检查包括___、综合检查、专业检查、季节性检查、节假日检查、夜间抽查和___。
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22、交接班必须在___当面进行,双方在交接班记录上签名后,方可认为是正式交接班了。
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23、潮湿或产生大量蒸汽的场所,电气设备必须采用___电器设备。
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24、机械设备必须做到的四有四必有是指___、有轴必有套、___、有洞必有盖 。
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25、灭火基本方法有___、___、___、___四种方法。
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26、事故按其性质分为___、___、___三类。
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27、《中华人民共和国消防法》规定,消防工作方针是___。
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28、如果试运后工作需要改变原工作票安全措施范围时,应___新的工作票。
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29、按安全色的使用规定,黄色表示的意思是___。
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30、电气事故包括人身触电伤亡事故和___事故两大类。
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31、熔断器熔体熔断后,必须查明原因并___后方可更换使用。
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32、单位各车间、班组都应设一名专___职安全员,协助领导管理本车间、班组的安全生产工作。
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33、当验明设备确已无电压后,应立即将检修设备接地并___。
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34、在停电线路工作地段安装接地线前,必须先___,验明线路确无电压。
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35、线路的停、送电均应按照调度机构或线路运行维护单位的指令执行。不应___停、送电。
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36、根据新安法,从业人员的权利包括知情权、拒绝权、___。
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37、一切电气设备和手持电动工具的金属外壳,都必须采取可靠的___措施。
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38、人体发生触电后,根据电流通过人体的途径和人体触及带电体方式,一般可分为___触电、两相触电及___触电。
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39、当有异物进入眼内,应当采取的方法为用___冲洗眼睛 、反复眨眼,用___将异物冲出来。
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40、作业现场“四到位”指:___。
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41、梯子的梯阶的距离不应大于___。
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42、氧气和乙炔瓶的摆放距离必须相隔 ___米以上,与明火的距离必须相隔___米以上。
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43、绝缘材料可分为气体绝缘、___绝缘和___绝缘三种绝缘材料。
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44、所有电气设备的金属外壳均应有良好的___。
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45、在一经合闸即可送电到工作地点的隔离开关操作把手上,应悬挂“___!”或“禁止合闸,线路有人工作!”的标示牌。
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46、禁止工作人员擅自变更工作票中___的接地线位置。如需变更,应由工作负责人征得工作票签发人同意,并在工作票上___变更情况。
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47、凡登杆进行倒闸操作时,操作人员必须戴安全帽,并使用___。
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48、干粉灭火剂的主要灭火作用是___作用,二氧化碳灭火剂主要是___作用。
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49、事故责任部门发生轻微事故、一般事故,应及时处理,尽快恢复生产,并在___分钟内通知集团安全管理部。
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50、工作票应用___的钢___笔或圆珠笔填写与签发,一式两份,内容应正确,填写应清楚,不得___。
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51、在高压设备上工作,应至少由___进行,并完成保证安全的组织措施和技术措施。
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52、各类作业人员应接受相应的___和___培训并经考试合格。
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53、在接地电流回路上,一人同时触及的两点间所呈现的电位差叫___电压。
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54、接地装置包括___和接地引线。
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55、保证电气安全主要有___和技术措施两种。
【单选题】
1.指针式万用表测量电流时,黑表笔应插到( )孔
A. 5A
B. “+”
C. COM
【单选题】
2.使用指针式万用在选择量限时,应使测量的指示值在仪表量限的()。
A. 初始段
B. 中间段
C. 三分之二以上
【单选题】
3.指针式万用表测电阻时,(  )情况下换档后需要重新校准调整。
A. 由高档位到低档位
B. 由低档位到高档位
C. 任何情况下都需要
【单选题】
4.指针式万用表测量前,指针正常应停留在( )的位置。
A. 最左端
B. 任意位置
C. 最右端
【单选题】
5.当数字式万用表量程小于所测参数值时,万用表将显示( )
A. 负数
B. 0
C. 1
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【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ . A. thought it was beautifully written B. wanted to know what it really meant C. decided to write it on a warehouse wall D. wanted her husband to put it up in the classroom
A. A
B. B
C. C
D. D
【单选题】
( ) 35. Who came up with the phrase according to the passage? A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
A. A
B. B
C. C
D. S
【单选题】
( ) 36. What can we infer from the last paragraph? A. People should practice random kindness to those in need. B. People who receive kindness are likely to offer it to others. C. People should practice random kindness to strangers they meet. D. People who receive kindness are likely to pay it back to the giver.
A. A
B. B
C. C
D. D
【单选题】
( ) 37.The greatest river for navigation is ___________. A. the Nile B. the Amazon C. the Mekong D. the Mississippi
A. A
B. B
C. C
D. D
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( ) 38. From a dam, people can use the water for ___________. A. keeping the rivers clean B. only making electricity C. irrigation and making electricity D. washing clothes
A. A
B. B
C. C
D. D
【单选题】
( ) 39. The water in the river is polluted because of _____________. A. people's drinking water too much B. people's swimming in the river too much C. chemicals and other materials D. people's building a dam across a river
A. A
B. B
C. C
D. D
【单选题】
( ) 40. The best title of the passage is ___________. A. Rivers in Cities B. The importance of Rivers C. Transportation D. Natural Resources
A. A
B. B
C. C
D. D
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) 1. Even Tony’s six-year-old son asked him ______ smoking. A. stops B. stopped C. to stop D. stopping
A. A
B. B
C. C
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2.—What do you think of the lecture of Li Yang’s Crazy English? — I think it’s _______ , but someone thinks it’s much too ________. A. wonderful enough; bored B. enough wonderful; boring C. enough wonderful; bored D. wonderful enough; boring
A. A
B. B
C. C
D. D
【单选题】
3.—He didn’t go to the lecture this morning, did he?    — _____ .Though he was not feeling very well. A. No, he didnt B. Yes; he did C. No, he did D. Yes, he didnt
A. A
B. B
C. C
D. D
【单选题】
4. If you read a lot, your life ______ full of pleasure. A. will be B. is C. be D. was
A. A
B. B
C. C
D. D
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5. The black bag _________ be Annas. She has a blue one. A. should B. cant C. wouldnt D. could
A. A
B. B
C. C
D. D
【单选题】
6. Susan, why are you still here? They are all ready to start. Im sorry, but I _________ when to start. A. dont tell B. wasnt told C. didnt tell D. havent told
A. A
B. B
C. C
D. D
【单选题】
7.—Why dont you choose the red tie?    —For me, it doesn’t _____ my shirt very well. A. fix B. accept C. compare D. match
A. A
B. B
C. C
D. D
【单选题】
8. — Could you tell me ______? I must find him. — Sorry.I don’t know.But he was here just now. A. where Tom was B. where Tom is C. where has Tom gone D. where can I find Tom
A. A
B. B
C. C
D. D
【单选题】
9. —What did Mr Green say to you? — What a heavy rain! How did you come here? He asked________. A. at all B. in fact C. in surprise D. as a result
A. A
B. B
C. C
D. D
【单选题】
10. I often see Tom on the playground.When I passed the playground yesterday, I saw him . A. play; playing B. to play; play C. playing; to play D. playing; play
A. A
B. B
C. C
D. D
【单选题】
11. — Mum, could I have ____________ to drink? — Oh, dear.You can only drink some water.There is _________ in the kitchen. A. anything; else something B. anything; something else C. something; else nothing D. something; nothing else
A. A
B. B
C. C
D. D
【单选题】
12. We all know that learning a foreign language _______ time and effort. A. requires B. reduces C. removes D. repeats
A. A
B. B
C. C
D. D
【单选题】
13. Her son __________ Coke, but now he __________ milk. A. is used to drinking; used to drink B. used to drink; uses to drink C. used to drink; is used to drinking D. is used to drink; is drinking
A. A
B. B
C. C
D. D
【单选题】
14. I don’t know the teacher is talking with Miss Wang. A. what B. whom C. who D. which
A. A
B. B
C. C
D. D
【单选题】
15.Millie does __________ that many people are thankful to her. A. such an important and helpful job B. so important and helpful work C. a very important and helpful job D. such an important and helpful work
A. A
B. B
C. C
D. D
【单选题】
16. I think eating more vegetables is good _______ our health. —Yes, I agree _______ you. A. at, to B. for, with C. to, to D. for, to
A. A
B. B
C. C
D. D
【单选题】
17. I often go on holiday with my parents _____ summer. A. in B. at C. on D. of
A. A
B. B
C. C
D. D
【单选题】
18. I called you at 4:00 yesterday afternoon, but nobody answered. Sorry, I ______ with my friends at that time. A. had swum B. swam C. would swim D. was swimming
A. A
B. B
C. C
D. D
【单选题】
19.––Who is on the playground? ---__________.    A. Never B. None C. No one D. A lot
A. A
B. B
C. C
D. D
【单选题】
20. The schoolboy ______ a blind man cross the street yesterday. A. helps B. helped C. will help D. has helped
A. A
B. B
C. C
D. D
【单选题】
21. —The 2010 World Expo which will last 184 days will be held in Shanghai on May 1st. —________exciting news! We shall try our best to support it. A. How B. How an C. What D. What an
A. A
B. B
C. C
D. D
【单选题】
22. They preferred ______ in bed rather than _____ horses.    A. to lie; to ride B. lying; riding C. lying; ride D. to lie; ride
A. A
B. B
C. C
D. D
【单选题】
23. —What was Jim wearing at the party? — Nothing _______. He was in his usual shirt and jeans. A. special B. simple C. important D. interesting
A. A
B. B
C. C
D. D
【单选题】
24. The 2016 Olympic Games ________ in Brazil. Would you like to go there? Maybe, if possible. A. are held B. will be held C. were held D. have been held
A. A
B. B
C. C
D. D
【单选题】
25. — David, look at the man in white over there.Can you tell me _______ ? —He is a doctor.    A. who is he B. who he is C.what does he do D. what he does
A. A
B. B
C. C
D. D
【单选题】
( ) 26.With help from a Mr. H, you can__________. A. stop wearing your watch B. get new books and objects C. finish your homework on time D. know when parents or teachers are near
A. A
B. B
C. C
D. D
【单选题】
( ) 27. A PENGO WATCH CONTROL can help you to ______________. A. repair your TV B. put away your books and objects C. become a James Bond D. get a daily weather report
A. A
B. B
C. C
D. D
【单选题】
( ) 28. You can get your Mr. H for___________. A. $299 B. $499 C. $199 D. $99
A. A
B. B
C. C
D. D
【单选题】
( ) 29. When was canned food invented? A. In 1870.          B. In 1810. C. In 1902.          D. In 1926.
A. A
B. B
C. C
D. D
【单选题】
( ) 30. After the trip to the Arctic, Clarence Birdseye invented ____________. A. canned food             B. can openers C. frozen food           D. air conditioning
A. A
B. B
C. C
D. D
【单选题】
( ) 31. Changes in weather _____________ in Willis Carrier's company. A. helped to keep food           B. made rooms comfortable C. caused health problems        D. hurt printing paper
A. A
B. B
C. C
D. D
【单选题】
( ) 32. According to the passage, which of the following may lead to inventions? A. People's needs.             B. Public support. C. Modern technology.          D. Practical suggestions.
A. A
B. B
C. C
D. D
【单选题】
( ) 33. What is the writer's main purpose(目的)in writing this passage?    A.To tell the readers his life story.    B.To tell people what kind of person his father was.    C.To tell the readers what present he got from his father.    D. To let people know how poor he was.
A. A
B. B
C. C
D. D
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