附着升降脚手架可附着于工程结构、依靠自身提升设备实现升降。()

题型:判断题

问题:

附着升降脚手架可附着于工程结构、依靠自身提升设备实现升降。()

考点:登高架设作业操作证登高架设作业(综合练习)登高架设作业(综合练习)题库
题型:判断题

造成慢性骨髓炎的原因是

A.窦道形成
B.死骨的存留
C.脓液未能及时清除D.细菌毒性强
E.疤痕组织增生

题型:判断题

根据反应(1)~(4),可以判断下列四种物质的氧化性由强到弱的正确顺序

(1)Cl2+2KI===2KCl+I2                           (2)2FeCl2+Cl2===2FeCl3

(3)2FeCl3+2HI===2FeCl2+2HCl+I2                 (4)H2S+I2=2HI+S

A.H2S>I2>Fe3+>Cl2

B.Cl2>Fe3+>I2>H2S

C.Fe3+>Cl2>H2S>I2

D.Cl2>I2>Fe3+>H2S

题型:判断题

2008年9月8日山西省襄汾县发生了重大事故,造成重大人员伤亡,山西省省长为此引咎辞职,该事故是( )。

A.煤矿瓦斯爆炸事故

B.水库决口事故

C.尾矿库溃坝事故

D.火灾事故

题型:判断题

完形填空(共20小题;每小题1.5分,满分30分)

阅读下面短文,掌握其大意,然后从21~40各题所给的四个选项(A、B、C和D)中,选出最佳选项。

Many years ago, a salesman opened a bag of things from Scotland and found a card at the top. It  36   , “Expect a Miracle(奇迹).” “What does that mean?” he thought, and then  37   it into his pocket.

That night he showed it to his wife. “Look at this, dear. What do you think it means?”

“Maybe this is what we need,” she said. “Our 38  are so great that they are too much for us. If we start   39   great things instead of the worst, miracle may 40 .” They decided to try changing their thinking for a few days, starting with their    41   problems. Then something changed. Not only did they find their problems    42   be worked out, but they also started   43  a lot of money.

To make miracles happen, you have to start by expecting them. That way your   44   can become focused in positive (积极的) ways. There are    45   coincidences(巧合), and all kinds of happy experiences   46    one after another. 

One becomes hopeful and optimistic(乐观的). Little problems began   47   , while the big ones become much easier to work out. Success is not    48   you thought it was.

A positive thinker first sets clear and proper goals(目标). Then he goes to work, and   49   working. He never gives up. His dreams are sure to come true, and    50    they do, a miracle happens.

Miracles come in all    51   : big, medium-sized, and small. Start expecting the small ones, and work your way   52    to the big. Think positively,   53     yourself and work hard. You’ll find yourself    54    by how meaningful and   55    your life has become.

36. A. wrote                B. read                C. told                D. expressed

37. A. set                  B. sent                C. spent              D. put

38. A. problems             B. questions            C. suggestions          D. advice

39. A. imagining              B. realizing             C. suggesting         D. expecting  

40. A. take in                B. take up                   C. take place          D. take over   

41. A. smallest               B. biggest                   C. difficult               D. easy     

42. A. would                B. could                   C. should               D. might

43. A. making               B. taking                  C. finding               D. doing   

44. A. suggestion          B. money                 C. ability               D. trust

45. A. harmful                  B. strange                  C. useful               D. embarrassing

46. A. live                         B. stop                      C. work                  D. follow   

47. A. losing                   B. disappearing            C. growing            D. displaying     

48. A. as soon as              B. as long as                 C. as far as              D. as well as

49. A. keeps on              B. keeps up                 C. keeps out                  D. keeps from   

50. A. while                        B. before                          C. until                           D. when

51. A. shapes                B. types             C. sizes               D. kinds

52. A. up                    B. out                C. off                 D. for     

53. A. think of                     B. take care of        C. speak out            D. believe in 

54. A. bored                    B. surprised          C. upset                  D. puzzled   

55. A. dull                   B. careful            C. lively                   D. unloving 

题型:判断题

G17D型轻油罐车在G17型粘油罐车基础增加了()。

A.走行板

B.聚液窝

C.入口孔

D.一个呼吸式安全阀

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