简述施工现场配电系统的漏电保护应如何设备。

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问题:

简述施工现场配电系统的漏电保护应如何设备。

考点:建设工程知识竞赛建设工程知识竞赛题库
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心脏每搏输出量的70%是在哪个时期完成的

A.心房舒张期
B.心房收缩期
C.等容收缩期
D.快速射血期

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第二节完形填空(共20小题;每小题1.5分,满分30分)

阅读下面的短文,掌握其大意,然后从36~55各题所给的四个选项(A、B、C和D)中选出最佳选项,并在答题卡上将该项涂黑。

“Hi, Mommy, what are you doing?” asked Susie, who was only six years old. “I’m making a casserole(炖锅菜) for Mrs. Smith next door, __36__ Mrs. Smith is very sad. She lost her daughter and has a __37__ heart. We need to take care of her a little while.” Said her mother. “ Why, Mommy?” 

“You see, Susie, when someone is very, very sad, they have __38__ doing the little things like making dinner or other housework. Because we’re __39__ of a community and Mrs. Smith won’t ever be able to talk with her daughter or hug(拥抱) her. You are a very __40__ girl, Susie; maybe you’ll think of __41__ way to help take care of Mrs. Smith.”

Susie thought __42__ about this challenge and how she could do her __43__ on caring for Mrs. Smith. A few minutes later, Susie knocked on her door. After a few moments, Mrs. Smith __44__ the knock with a “Hi, Susie.”

Susie noticed that Mrs. Smith didn’t have that familiar musical __45__ about her voice when she __46__ someone.

“What can I do for you, Susie?” asked Mrs. Smith.

“My mommy says that you lost your daughter and you’re very, very sad with a broken heart.” Susie __47__ her hand out shyly. In it was a Band-Aid. “This is for your broken heart.” Mrs. Smith knelt down and hugged Susie. Through her __48__ she said, “Thank you, darling girl, this will __49__ a lot.”

Mrs. Smith __50__ Susie’s act of kindness and took it one step __51__. She bought a small key ring with a picture frame(框架) ---- the ones __52__ to carry keys and display a family __53__ at the same time. Mrs. Smith placed Susie’s Band-Aid in the frame to __54__ her to heal a little every time she sees it. It has become her symbol(象征) for healing, while not __55__ the joy and love she experienced with her daughter.

36. A. although      B. because      C. when D. so

37. A. broken  B. absent C. sick    D. gentle

38. A. trouble B. time    C. interest       D. danger

39. A. owners        B. whole C. part    D. relatives

40. A. naughty       B. little   C. pretty  D. smart

41. A. the other      B. the very     C. our     D. some

42. A. seriously      B. deeply C. much        D. little

43. A. job       B. work   C. part    D. deed

44. A. replied  B. answered to      C. greeted       D. responded

45. A. sound   B. quality       C. gift     D. note

46. A. praised B. helped C. greeted       D. saw

47. A. gave     B. set      C. took    D. held

48. A. tears     B. sadness       C. excitement  D. glasses

49. A. do B. care    C. mean  D. help

50. A. refused B. accepted     C. received     D. took

51. A. more    B. forward      C. further       D. ahead

52. A. made    B. bought       C. invented     D. designed

53. A. photo   B. scene  C. gathering   D. life

54. A. force    B. remind       C. get      D. advise

55. A. forgetting    B. missing      C. losing D. remembering

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公路运输管理、公路路政管理、海事管理以及港航管理机构都是受交通主管部门委托、以交通主管部门的名义实施行政处罚的机构。

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以下理财卡说法中,()是正确的。

A.客户理财卡内美元账户无存款情况下,客户在美国通过VISA/MasterCard网络用卡,需支付购汇手续费。

B.客户理财卡内欧元账户有足额存款情况下,客户在欧元区国家通过VISA/MasterCard网络用卡,仍需支付欧元兑美元购汇手续费。

C.龙卡通境内、境外(含港澳地区)通过中国银联网络进行的交易,其人民币活期账户为基本账户,以人民币结算。

D.VISA、MasterCard龙卡通通过国际组织的专用网络进行的境外交易,其美元活期账户为基本账户,以美元结算。

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公有制是社会主义的根本经济特征。

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