在摄像机操作中，调节FOCUS开关的作用是（）.A.调节对焦模式 B.调节光圈大小

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第二节完形填空（共20小题；每小题1.5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。

Anna lived on the side of a valley(山谷). One summer, there was a very big  36  , and a lot of houses down below Anna’s were washed away. Anna’s house was  37  enough to escape the flood, so when the water had  38  and the other houses were  39  there with no roof and no walls and all covered with mud(泥), her house was just all right.

　 Her house was quite small, her husband was dead, and she had four children, 40 Anna took in one of the families that had lost  41  in the flood and she  42  her home with them until it was  43  for them to rebuild their house.

　　Anna’s friends were puzzled when they saw Anna do this. They could not understand   44  Anna wanted to give  45  so much more work and trouble when she already had quite a few children to  46  .

“Well,” Anna   47   her friends, “at the end of the First World War, a woman in the town where I then lived found herself very   48  , because her husband had been killed in the   49   and she had a lot of children,  50   I have now. The day before Christmas, this woman said to her children, “We won’t be able to have much for Christmas this year, so I’m going to  51  only one gift to all of us. Now I’ll go and get it.” She came back with a   52   who was even poorer than they, and who had no parents. “Here’s our  53  ,” she said to her children.

　 The children were  54  and happy to get such a gift. They  55  the little girl, and she grew up as their sister. I was just that Christmas gift.”

36. A. earthquake   B. accident       C. flood             D. fire

37. A. below        B. high                   C. big         D. small

38. A. reduced     B. come        C. appeared        D. disappeared

39. A. rising       B. flowing       C. falling        D. standing

40. A. so          B. but          C. for         D. since

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

42. A. gave         B. found        C. shared       D. built

43. A. possible     B. necessary            C. important      D. obvious

44. A. when       B. how         C. why       D. that

45. A. them         B. herself        C. him         D. us

46. A. support     B. supply        C. grow         D. educate

47. A. explained to  B. asked for      C. talked with    D. turned up

48. A. sad        B. rich          C. poor           D. happy

49. A. war         B. storm         C. rain          D. flood

50. A. because    B. as           C. which         D. that

51. A. get        B. send           C. buy            D. make

52. A. boy        B. girl            C. student         D. teacher

53. A. child      B. daughter        C. sister         D. gift

54. A. angry     B. sorry          C. lovely        D. excited

55. A. disliked   B. gained        C. welcomed      D. led

某机械设备原始价值12万元，预计使用年限5年，预计净残值率为6%，用双倍余额递减法计提折旧，则第5年应提折旧额为( )。

A．1.296万元

B．0.936万元

C．2.256万元

D．0.468万元

国内A公司以D/P即期付款交单方式出口一批商品，并委托国内甲银行将单证寄至第三国乙银行，由第三国乙银行转给进口国丙银行托收。后来得知丙银行破产收不到货款，该公司要求退回有关单证，但却毫无结果。请问托收银行应承担什么责任

下列关于我国对资本充足率要求的说法，正确的是( )。

A．我国对商业银行资本充足率的计算依据2004年中国银监会发布的《商业银行资本充足率管理办法》实施

B．我国商业银行资本充足率仅需在每月末保持在监管要求比率之上

C．资本充足率：(资本×扣除项)/信用风险加权资产

D．核心资本充足率：(核心资本×核心资本扣除项)/(信用风险加权资产+8×市场风险资本要求)

下列关于对称密码体制描述正确的是（）。