对于RL电路,时间常数为(),其单位为秒。A.τ=RL B.τ=RC C.τ=R/L

题型:单项选择题

问题:

对于RL电路,时间常数为(),其单位为秒。

A.τ=RL

B.τ=RC

C.τ=R/L

D.τ=L/R

考点:变电站值班员考试变电站值班员(高级)变电站值班员(高级)题库
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下列各项,不属子宫肌瘤手术指征的是()。

A.子宫肌瘤如孕3个月大小

B.月经过多,继发贫血

C.经过较长时间药物治疗无效

D.32岁已婚未生育

E.肌瘤有恶变可能

题型:单项选择题

第二节完形填空(共20小题;每小题1.5分,满分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。

It was my first day at school. I felt __36__ and scared. I went to all my classes with no friends. I felt no one really __37___ me. I listened anxiously to all the lessons and waited for the lunch break. Then finally the bell __38____. It was time to get free of the uneasy atmosphere.

During the lunch I met a new friend who wore a hat, and __39___ I am Jewish, we got along well, and I was so __40___ when she said, “Sit with us, at our table.” She __41___   to the one next to the door.

So I __42___, and took my tray and was about to walk with her ___43__  the floor, when suddenly I felt a nudge. “Hey, I saw you on the bus,” said a __44__ girl in a long skirt. “I __45___ your Jewish star necklace. You should sit with us.”

At that moment I _46____ around, and to my surprise, I __47___ the nations of the world, isolated themselves. The Spanish only sat with Spanish, the Hindus __48___ with Hindus, the Russians with the Russians, and __49___ the Arabs with the Jews. That’s what I saw __50___ my own eyes.

Suddenly, I saw the reason why wars got started in the world. Everyone __51____ to their own kind. The lunchroom was a ___52___  of the world. Why was everyone so  __53___? I was puzzled.

But I wanted a change. Determinedly, I turned __54___ this tall girl, and went with my new friend. There was no enmity(敌意) in the room. I felt relaxed. I built a ___55__ between two worlds when I sat with those different from me. The whole world should get close, not apart.

36. A. nervous              B. happy               C. comfortable              D. sad

37. A. cared for             B. stared at           C. believed in          D. thought of

38. A. sounded              B. rang                      C. came                       D. cried

39. A. when               B. although        C. if                       D. while

40. A. disappointed     B. relieved                C. angry                         D. upset

41. A. went                   B. pointed           C. ran                          D. got

42. A. approved            B. allowed            C. permitted                      D. agreed

43. A. through              B. past                  C. across                      D. along

44. A. beautiful         B. tall                       C. short                    D. plain

45. A. find                   B. like                  C. see                          D. have

46. A. turned                B. looked            C. walked                    D. stepped

47. A. understood       B. recognized        C. noticed                    D. knew

48. A. always             B. still               C. normally               D. occasionally

49. A. also                   B. ever                 C. never                             D. even

50. A. through           B. in                       C. for                              D. within

51. A. stuck              B. turned                C. went                   D. walked

52. A. symbol              B. sign                 C. map                        D. view

53. A. lonely                B. blind                C. strange                  D. independent

54. A. on                      B. to                   C. down                             D. off

55. A. tie              B. bridge       C. friendship           D. relation

题型:单项选择题

以下关于商业银行依法冻结单位存款的说法,错误的是( )。

A.“协助冻结存款通知书”应由设区的市级(含)以上人民法院、人民检察院、公安局签发
B.被冻结的款项不属于赃款的,冻结期间应计付利息
C.被冻结的款项属于赃款的,冻结期间不计付利息
D.如冻结有误,解除冻结时应补计冻结期间利息

题型:单项选择题

门槛内的插入件长度一般是()。

A、10~20mm

B、15~30mm

C、20~30mm

D、20~25mm

题型:单项选择题

氯化钾作()时,每亩用量为5~10kg。

A、根外追肥

B、追肥

C、种肥

D、基肥

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