额定速度V≦2.5ｍ/ｓ的交、直流调速电梯，轿厢在空载和额定载荷范围内的平层精度，应

试分析水隔离泵排浆单向阀损坏的现象、原因及处理方法。

阅读下面短文，掌握其大意，然后从36—55各题所给的四个选项（A、B、C、D）中，选出最佳选项，并在答题卡上将该项涂黑。（共20小题；每小题1.5分，满分30）

Have you just been fired? Don’t worry. Cheer yourself up and send your  36  . Perhaps another much better opportunity is awaiting you.  37   sometimes you don’t realize it, you are asking to be fired.

Dan Zawacki was a happy camper, selling computers for Honeywell. One holiday he was  38  creative gifts and then a good idea  39 him---- selling dinner live lobsters(龙虾) to his favorite customers. He  40  them himself with butter and put them in the trunk of his car between the computers and started delivering. It was a huge  41 . As a result, one of his customers   42  they go into the lobster business together. Dan laughed. Still, this landlocked computer salesman 43  get the idea of lobsters out of his  44  . Why not turn this into a hobby and  45  a few extra dollar? While on a job assignment in Chicago, he  46  a local radio station to give him a few ads in 47 for lobster. Unfortunately, his boss’s boss heard his prize salesman 48  lobster, not computers. No surprised. Dan was let go. After  49  the company’s car, he started to think maybe this was a  50 . Playing with his phone that night, Dan tried dialing 1-800-LIVE-LOB. The number was   51  , and Dan the lobsterman was born. Today, 20 years later, Dan is still selling dinners, through his company, Lobster Gram. And he couldn’t be  52 .

Many of the fired people found ways back to fulfilling   53  and learned the pain and humiliation(羞辱) are 54  . So do not be afraid to move  55   and try your wings. Gather your support system. Persevere! Firing doesn’t mean your life is over. It might turn out to be the best thing that ever happened to you.

36. A. dreams          B. wings               C. needs           D. minds

37. A. Because         B. When                C. Though          D. If

38. A. searching for   B. making up           C. giving away     D. thinking up

39. A. came about      B. took place          C. went on         D. came to

40. A. packaged        B. sold                C. tied            D. placed

41. A. matter          B. business            C. failure         D. success

42. A.said             B. thought             C. suggested       D. hoped

43. A. couldn’t       B. mustn’t            C. shouldn’t      D. wouldn’t

44. A. heart           B. mind                C. head            D. hand 

45. A. make            B. get                 C. gather          D. spend

46. A. permitted       B. hoped               C. persuaded       D. suggested

47. A. change         B. exchange            C. place           D. need

48. A. hunting         B. seeking             C. collecting      D. selling

49. A. selling     B. paying              C. returning       D. using

50. A. thing       B. sign                C. pity            D. please

51. A.wrong        B. right               C. free            D. available

52. A. happier     B. worse               C. lower           D. higher

53. A. jobs        B. wishes              C. careers         D. promises

54. A. short       B.long                C. forever         D. temporary（临时）

55. A. back        B. on                  C. in              D. away

晚期胃癌术后10天拆线后切口裂开，最有可能的原因是（）

A.拆线时间过早

B.缝合技术欠缺

C.术后咳嗽、腹胀等引起腹压上升

D.营养不良

E.缝线过细，打结不紧

以下各项中，( )是对海关监管货物的监管期限的正确表述。

A．保税货物自进入关境起到出境最终办结海关手续止，或转为实际进口最终办结海关手续止

B．暂时进口货物自进入关境起到复运出境或转为实际进口办结海关手续止

C．一般进口货物自进入关境起到办结海关手续止

D．一般出口货物自向海关申报起到出境止

静脉PVC留置时间不应超过72小时。