可以提高分馏塔顶温度的是()。A、减少塔顶回流量 B、减少塔顶抽出量 C、减少侧线抽出量

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问题:

可以提高分馏塔顶温度的是()。

A、减少塔顶回流量

B、减少塔顶抽出量

C、减少侧线抽出量

D、降低进料温度

考点:加氢裂化装置操作工考试中级加氢裂化装置操作工中级加氢裂化装置操作工题库
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根据《中华人民共和国大气污染防治法》规定,高污染燃料的区域内的单位和个人应当在当地人民政府规定的期限内停止燃用高污染燃料,可以改用( )。

A.天然气

B.液化石油气

C.电

D.煤

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研究者认为,直觉思维是创造性思维的核心。 ( )

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  Nancy had just got a secretary's job in a big company to work in the sales department. Monday was the first day that she went to work, so she was very  36 .She got up very early and arrived at the  37  at twenty to eight. She  38 the door open and found nobody there. “I am the  39  to arrive.” She thought and came to her desk. She was surprised to  40  a large bunch of flowers on it. They were fresh.She  41  the flowers from the desk and smelled them. “Oh,how lovely!” Nancy  42  joyfully. She then looked round for a  43  to put them in. “Somebody has sent me flowers the  44  first day!” She thought happily. “But who could it be?” She began to wonder.

The day passed very  45  and Nancy did everything with great interest and  46 .For the following days of the week, the first thing Nancy did was to change water for the flowers. And then she  47  herself in her work.

Then came another Monday. When she came near her desk she was overjoyed to see a(an)  48 bunch of flowers there. She quickly put them in the vase, replacing the old ones.

The same thing happened again the next Monday, Nancy felt it  49  and this time she began to think of ways to find out the  50 .

On Tuesday afternoon, she was sent to  51  a plan to the general manager's office. She had to stay for a while at his secretary's desk waiting for his  52 .She happened to see on the desk a big note book  53 “Records of managers' meetings”, and glanced at the  54  pages. Suddenly her eyes fell on these words:“In order to keep the secretaries  55 ,the company has decided that every Monday morning a bunch of fresh flowers should be sent to each secretary's desk.”

Later, she was told that their general manager was a business management psychologist.

36. A. depressed     B. encouraged C. excited       D. surprised

37. A. office   B. workshop   C. Classroom  D. bookshop

38. A. forced  B. pushed       C. Turned       D. knocked

39. A. last       B. second             C. Third  D. first

40. A. uncover              B. smell  C. Find   D. pick

41. A. picked up     B. threw away        C. stared at     D. took up

42. A. cried    B. Laughed     C. wept   D. replied

43. A. jar B. Box    C. bottle  D. vase

44. A. happy   B. very    C. funny  D. quite

45. A. slowly  B. normally    C. quickly      D. hardly

46. A. wisdom       B. bravery      C. passion       D. enthusiasm

47. A. buried  B. dressed       C. Devoted     D. seated

48. A. old              B. Red    C. blue    D. new

49. A. special  B. angry  C. strange       D. difficult

50. A. sender  B. receiver      C. manager     D. waiter

51. A. send for              B. hand out     C. try out       D. hand in

52.A. orders   B. directives   C. gifts    D. receipts

53. A. marked B. written       C. printed              D. signed

54. A. closed   B. damaged    C. pinned              D. half-opened

55. A. at home       B. on time      C. in high spirits    D. in low spirits

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减免税款:农民增收( )

A.压力过大:精神紧张

B.小心谨慎:处处碰壁

C.装腔作势:人人自危

D.五谷丰登:风调雨顺

题型:单项选择题

下列试剂中不会导致蛋白质变性的是

A.尿素

B.苦味酸

C.热丙酮

D.硫酸铵

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