RCS-901的距离保护Ⅲ段的动作由阻抗圆和负荷限制器（）出口。A、或逻辑 B、与逻

如图所示的电路中，电源电压不变，闭合开关S，电路正常工作一段时间后，发现电压表示数明显变大，则

A．电阻R可能开路

B．电阻R可能短路

C．灯L可能开路

D．灯L亮度可能不变

如果两个单位之间有合同关系，在合同结构图中用双向箭杆联系。在项目管理的组织结构图中，如果两个单位之间有管理指令关系，则用( )联系。

A．单项箭杆

B．矩形

C．虚线

D．菱形

In the summer vacation of 1997, I was fixed with a job. I worked as a(n) ___36___ at Mr. Breen’s fruit shop. The fruit shop did ___37___ business. Most of the trade came from the housewives who lived in the neighbourhood, ___38___ he also had regular customers who arrived outside the shop in cars. Mr Breen ___39___ them all by name and they sometimes even had their order already made up, always ___40___ me to carry it out to their car. They were clearly long-standing customers, and I ___41___ they must have stayed faithful to him ___42___ he had promised to sell good quality ___43___. He had a way with them—I had to ___44___ that. He called every woman “madam” for a start, ___45___ those who clearly were not, but when he ___46___ it, it did not sound like flattery (奉承). It just sounded ___47___ in an old-fashioned way. He was a great chatter ___48___. If he did not know them, he would greet them with a few ___49___ about the weather, ___50___ he did, he would ask about their families or make ___51___, always cutting his cloth ___52___ his customers. Whatever their bills came to, be ___53___ gave them back the few odd pence (零钱), and I am sure they thought he was very generous (慷慨). But I thought he was the opposite. He never ___54___ anything away. He was always looking for ___55___ for nothing.

36. A. operator      B. assistant     C. waiter D. secretary

37. A. good    B. poor   C. big     D. usual

38. A. so B. when  C. therefore    D. but

39. A. sold     B. knew  C. gave   D. sent

40. A. making B. letting C. getting       D. keeping

41. A. wish     B. insist   C. declare       D. suppose

42. A. when    B. if C. because      D. though

43. A. food     B. fruit    C. vegetables  D. drink

44. A. admit   B. expect C. announce    D. promise

45. A. yet       B. only    C. just     D. even

46. A. told      B. said    C. spoke  D. talked

47. A. serious B. strange       C. polite  D. familiar

48. A. as well B. as usual      C. either  D. also

49. A. sayings B. questions    C. words D. speeches

50. A. and then      B. and so C. even if       D. but if

51. A. preparations B. jokes   C. repairs       D. friends

52. A. according to B. due to C. instead of   D. up to

53. A. never   B. ever    C. seldom       D. always

54. A. took     B. moved       C. threw  D. turned.

55. A. something    B. anything     C. somebody   D. anybody

TDDLTE与FDDLTE相比HARQ的反馈周期增加了大约（）秒。

A.1S

B.3S

C.5S

D.7S