轧辊使用一定时间后要进行() A.润滑 B.修磨 C.成形加工

题型:单项选择题

问题:

轧辊使用一定时间后要进行()

A.润滑

B.修磨

C.成形加工

考点:轧钢工考试轧钢工技师轧钢工技师题库
题型:单项选择题

人类最终证实的地球真实形状是(  )

A.“天圆地方”

B.“天之包地,犹壳之裹黄”

C.两极稍扁赤道略鼓的不规则球体

D.“天如斗笠,地如覆盘”

题型:单项选择题

SECTION B

Directions: For each blank in the following passage there are four words or phrases marked A, B, C and D. Fill in each blank with word or phrases that best fits the context.

“Leave him alone,” I shouted as I walked out of the orphanage(孤儿院) gate and saw several of the Spring Park School bullies(欺负弱者的人) pushing the deaf kid around. I did not know the boy at all  36  I knew that we were about the same age, because of his size. He lived in the old white house across the street from the orphanage where I  37 . I had seen him on his front covered entrance several times doing absolutely nothing, except just sitting there making funny hand movements.

In the summer time we didn’t get much to eat  38  Sunday supper, except watermelon and then we had to eat it behind the dining room so we would not make a mess on the  39  inside. The only time that I would see him was through the high chain-link fence that surrounded the  40  when we ate our watermelon outside.

The deaf kid started making all kinds of hand  41 , really fast. “You are a stupid idiot,” said the bigger of the two bullies  42  he pushed the boy down on the ground. The other bully ran around behind the boy and kicked him as hard as he could in the back. The deaf boy’s body started 43  all over and he curled up in a ball trying to protect and hide his face. He looked like he was trying to cry, or something but he just couldn’t make any  44 .

I ran as fast as I could back through the orphanage gate and into the thick bushes. I uncovered my home-made bow which I had  45  out of bamboo and string. I grabbed four arrows that were also made of bamboo. Then I ran back out the gate with an arrow lifted in the  46  and I just stood there quietly, breathing really hard just  47  either one of them to kick or touch the boy again.

36. A. after        B. and        C. for             D. but

37. A. lived       B. worked      C. studied          D. visited

38. A. with        B. during     C. for            D. after

39. A. tables      B. desks     C. beds           D. benches

40. A. white house  B. orphanage  C. dinning room     D. school

41. A. signals     B. shakes     C. symbols        D. efforts

42. A. since       B. as          C. if             D. whenever

43. A. changing      B. moving      C. shaking         D. pushing

44. A. choices     B. noises     C. voices         D. sounds

45. A. cut              B. constructed C. found         D. figured

46. A. direction      B. hand      C. bow           D. face

47. A. daring     B. encouragingC. asking              D. warning

题型:单项选择题

欺骗性干扰就是在敌方通信的频率或频段上发射功率强大的干扰信号,造成敌方通话语音不清,报文差错率达50%以上,进而使其通信联络中断。

题型:单项选择题

患者男性,70岁。因左侧中叶肺癌,每日咯血20ml左右,拟行肺癌根治术。

该患者最佳麻醉方式是()。

A.连续硬膜外麻醉

B.静脉麻醉

C.气管内插管全麻

D.左侧双腔支气管插管全麻

E.右侧双腔支气管插管全麻

题型:单项选择题

采用预抽煤层瓦斯防治突出措施的有效性指标,应根据矿井实测资料确定。如果无实测数据,预抽煤层瓦斯后,突出煤层残存瓦斯含量应小于该煤层()的原始煤层瓦斯含量。

更多题库