问题 问答题 简答题

什么是渠道的不冲流速?

答案

参考答案:

挟带一定含沙量的水流通过渠道时,若渠床上的泥沙不致冲刷,这时的断面平均流速就称为渠道的不冲流速。

完形填空

第二节完形填空(共20小题;每小题l.5分,共30分)

阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。

I met Mrs. Neidl in the ninth grade on a stage-design team for a play and she was one of the directors. Almost instantly I loved her. She had an Unpleasant voice and a direct way of speaking,   36   she was encouraging and inspiring. For some reason, she was impressed with my work and me.

Mrs. Neidl would ask me for my   37  . She wanted to know how I thought we should   38   things. At first I had no idea how to answer because I knew   39   about stage design! But I slowly began to respond to her   40  . It was cause and effect: She believed I had opinions, so I began to   41   them. She trusted me to complete things, so I completed them perfectly. She loved how   42   I was, so I began to show up to paint more and more. She believed in me, so I began to believe in myself.

Mrs. Neidl's   43  that year was, "Try it. We can always paint over it   44  !"I began to take   45  . I had been so afraid of failing but suddenly there was no failing--only things to be   46   upon. I learned to dip my brush into the paint and   47   create something.

The shy, quiet freshman achieved success that year. I was   48   in the program

as "Student Art Assistant" because of the time and effort I'd put in. It was that year that I   49   I wanted to spend the rest of my life doing stage design.

Being on that stage-design team   50   Mrs. Neidl changed me completely. Not only was I stronger and more competent than I had thought, but I also   51   a strong interest and a world I hadn't known existed. She taught me not to   52   what people think I should do: She taught me to take chances and not be   53  . Mrs. Neidl was my comforter when I was upset. Her   54   in me has inspired me to do things that I never imagined   55  .

36. A. and           B. yet            C. so             D. for

37. A. opinion       B. impression     C. information     D. intention

38. A. make         B. keep           C. handle         D. change

39. A. anything       B. something      C. everything      D. nothing

40. A. questions      B. comments      C. explanations    D. remarks

41. A. hold          B. follow         C. evaluate        D. form

42. A. happy         B. lively          C. reliable        D. punctual

43. A. message       B. motto          C. saying         D. suggestion

44. A. again         B. more          C. instead         D. later

45. A. steps          B. control         C. charge         D. risks

46. A. improved      B. acted          C. looked         D. reflected

47. A. easily         B. carefully       C. confidently     D. proudly

48. A. introduced    B. recognized     C. identified      D. considered

49. A. confirmed     B. decided        C. realized        D. acknowledged

50. A. with          B. below         C. of             D. by

51. A. developed     B. discovered     C. took           D. fostered

52. A. accept        B. care           C. judge          D. wonder

53. A. bored         B. lazy           C. sad            D. afraid

54. A. trust          B. patience       C. curiosity       Do interest

55. A. accessible     B. enjoyable      C. possible        D. favorable

填空题