有人说领导干部应坚持党性，不讲人情。也有人说，领导干部也是人，也有感情，要讲人情，你

标有“0～50Ω”字样的滑动变阻器R₁与20欧固定电阻R₂串连在一起，如图所示。当M、N端连入电路时，MN间电阻的变化范围是（   ）

A．0～50欧

B．20～50欧

C．0～70欧

D．20～70欧

日前，人力资源和社会保障部发布《关于开展社会保障基金社会监督试点的意见》，要求各地把公众参与 、专家论证作为社会保险重大决策的必经程序。凡是涉及群众切身利益的社保改革方案和重大政策，都要广泛听取专家学者和社会各方面意见。这种做法是基于

①民意是正确决策的重要信息资源　②集中专家智慧有利于提高决策的科学性　

③学者智慧是进行民主决策的基础　④表达权是公民参与民主决策的前提

A．①③

B．②③

C．③④

D．①②

完形填空：阅读下面短文，掌握其大意，然后从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。(共20小题；每小题1.5分，满分30分)

Good advice is like medicine for the soul. What kind of   36  have you recently received? Who do you go to get advice? Do you have a mentor（顾问）? A mentor is a   37  adviser.

Parents, teachers and friends are often great    38  . Sports figures, public officials, and nationally known figures can also be good   39   of mentors, but a person with whom you have a personal relationship will most likely be able to  40  you the best advice.

Mentors teach things that seem to be   41   sense. Proverbs are wise old sayings that are common in every language and   42   , and can sometimes be   43  for a non-native to understand. For example, all    44   glitters（闪烁）is not gold（some things are not as     45  as they appear ）.

Advice columns（栏目） 46   newspapers and magazines are another way to  47   advice.  

Talk shows on radio and television are also very popular. Americans and Canadians love to      48   themselves. Many people are not   49   to ask for help or   50  about  a problem in order to receive advice. People generally will  51    their own experience to   52   their friends. Overcoming a difficult situation is  53  respected in North America. People love to offer motivational （激发性的）   54   and encouragement. One proverb, a friend in need is a friend indeed, shares the concept that a true friend will help you out when you are in    55   .

36. A. success          B. measure         C. position         D. advice

37. A. devoted            B. united             C. trusted             D. expected

38. A. interviewers      B. mentors           C. followers         D. competitors

39. A. examples           B. mentors           C. manners         D. services

40. A. consider         B. exchange       C. get               D. offer

41. A. present              B. attractive        C. common        D. especial

42. A. experience     B. difference       C. culture           D. behavior

43. A. simple            B. difficult          C. natural            D. brief

44. A. that              B. which        C. what             D. who

45. A. different        B. same          C. exciting          D. valuable

46. A. in               B. on          C. at             D. upon

47. A. reduce              B. add                 C. keep                D. get

48. A. enjoy                B. teacher           C. express           D. defeat

49. A. brave         B. afraid              C. honest            D. lucky

50. A. talk           B bring                C. care                D. look

51. A. remind              B. suggest            C. advise             D. share

52. A. lead to             B. set free            C. help out           D. look out

53. A. originally          B. highly             C. equally            D. closely

54. A. stories       B. sadness         C. movement       D. adventure

55. A. happiness      B. trouble           C. excitement     D. nature

PC机处理人耳能听得到的音频信号，其频率范围是（）。

A．80～3400Hz

B．300～3400Hz

C．20Hz～20kHz

D．22～44.1kHz

从众心理