肾结核的血尿特点是A．多为终末血尿B．多为全程无痛肉眼血尿C．伴肾绞痛D．与膀胱刺激

桥梁中墩台基础常见的类型有桩基础和（）等。

A.沉井基础、扩大基础、管柱基础 

B.箱形基础、扩大基础、管柱基础 

C.扩大基础、沉井基础、筏形基础 

D.管柱基础、筏形基础、箱形基础

如图所示，固定在水平桌面上的光滑金属导轨cd、eg处于方向竖直向下的匀强磁场中，金属杆ab与导轨接触良好．在两根导轨的端点c、e之间连接一电阻，其它部分电阻忽略不计．现用一水平向右的外力F₁作用在金属杆ab上，使金属杆由静止开始向右沿导轨滑动，滑动中杆ab始终垂直于导轨．金属杆受到的安培力用F₂表示，则下列关于F₁与F₂随时间t变化的关系图象可能的是

A.

B.

C.

D.

While I studied at school，I felt a great difficulty in learning my Latin translations. I was always very 36  in using a dictionary，and   37  it most difficult，while to other boys it seemed no  38  .

I formed an alliance(盟友) with a boy in the Sixth Grade. He was very clever and 39  read Latin as easily as English .My friend for his part was almost as  40 troubled by the English essays he had to write for the headmaster as I was  41 these Latin words. We agreed together that he should   42   me my Latin translations and that I should do his essays. The arrangement   43     wonderfully . The headmaster seemed quite  44  with my work，and I had more time to myself in the morning .On the other hand，once a week   45  I had to compose the essays of my friend. For several months no difficulty  46 ，but once we were nearly caught out.

One afternoon，the headmaster  47  my friend to discuss one essay with him in a lively spirit. “I was interested in this   48  you make here. I think you might have gone further. Tell me   49   you had in your mind.” The headmaster continued in this  50  for some time to fear of my friend. However the headmaster，not wishing to  51  an occasion of praise into 52  of fault-finding，finally  53  him go. He came back to me like a man who had had a very narrow 54  and I made up my mind to make every effort to study my 55 .

36. A. quick         B. slow                C. hard                D. good

37. A .made            B. got                  C. found              D. left

38. A. trouble       B. difference               C. labor                      D. worry

39. A. might         B. would             C. should             D. could

40. A. very                 B. little                C. much              D. few

41. A. for            B. by                   C. in                   D. to

42. A. change       B. take                C. forgive            D. tell

43. A. worked      B. tried                C. happened         D. developed

44. A. angry         B. satisfied           C. frightened        D. sad

45. A. or so                 B. or else             C. as usual           D. as far

46. A. became      B. seemed            C. lay                  D. appeared

47. A. called        B. taught             C. arranged                 D. sent

48. A. aim           B. goal                C. point               D. opinion

49. A. why           B. how                C. which              D. what

50. A. excitement          B. way                C. meaning                 D. disappointment

51. A. turn           B. leave               C. grow               D. become

52. A. none                 B. one                        C. either              D. some

53. A. ordered      B. asked              C. took                D. let

54. A. surprise      B. escape             C. hope               D. chance

55. A. reading      B. writing            C. translations      D. essays

承担医疗器械注册工作的机构是（）

A.法制司

B.药品化妆品监管司

C.食品安全监管一司

D.医疗器械注册司

E.稽查局

使用钳形电流表测量三相鼠笼电动机电流时，应将（）通电导线夹在钳口中心。

A、单根

B、整根电缆

C、二根

D、三根