问题 问答题 简答题

RB动作后如何手动处理?

答案

参考答案:

1)锅炉燃烧率必须快速地减到相应的负荷率;

2)若炉膛负压、汽包水位变化大自动无法调节时,应手动干预;

3)查明RB动作原因;

4)监视机组负荷降至RB设定负荷;

5)检查除氧器、轴封母管压力正常,检查凝汽器真空正常;各加热器水位调整正常;

6)检查低压缸排汽温度小于80℃;

7)检查监视汽轮机润滑油温、轴承回油温度、轴向位移、差胀、振动变化情况,均应在正常范围内。

完形填空

阅读下面短文,掌握其大意,然后从36-55各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。

Recently, I stopped by a convenience store to get a newspaper and a bottle of drink. The young woman at the check-out counter (柜台) said, “That’ll be five dollars __36__, please.” She then __37__ down at the paper I was __38__ and said, “I’m sick and __39__ all this negative(消极的) stuff on the front __40__. I want to read some __41__ news for a change.” She then said, “In fact, I think someone should just __42__ a Good News newspaper—a paper with wonderful, inspirational(鼓舞人心的) __43__ about people overcoming difficulty and doing good things for __44__. I’d buy one every day!” She then __45__ me for coming in and said, “Maybe we’ll get some good news,” and she laughed. She made my day.

The following day after my business appointments, I __46__ the same store again to __47__ bottled water and a piece of newspaper, but a __48__ young lady was behind the counter. As I checked out, I said, “Good afternoon,” and handed her my __49__. She said nothing — not a word, not a smile or not a gesture. She just handed me my change and __50__ a negative tone (语气) ordered, “Next!”

It hit me right between the eyes: Two people, the same age; __51__ made me feel great, and the other, well, made me feel that I had inconvenienced(给…带来不便) her by __52__.

Every morning, you should ask __53__ this important question: “Who do I want to be today? ‘The Grouch(不高兴的人)’ or ‘The Good News Girl’”? Your answer will do great good to __54__ the joy and happiness that you will experience in your __55__.

36. A. at all                        B. in all                         C. after all                  D. all for  

37. A. stared                        B. smelled                     C. looked                   D. noticed  

38. A. burying                     B. picking                     C. finding                   D. buying 

39. A. tired of                      B. interested in               C. concerned about      D. fond of 

40. A. column                      B. edition                      C. page                      D. part  

41. A. bad                           B. good                         C. latest                      D. ugly 

42. A. collect                       B. print                         C. sell                        D. publish 

43. A. stories                       B. ideas                         C. positions                D. customers  

44. A. rewards                     B. the others                  C. others                    D. money  

45. A. praised                      B. thanked                     C. observed                D. punished  

46. A. stood by                    B. took in                      C. put out                   D. stopped by  

47. A. pick up                      B. take up                      C. bring up                 D. go up 

48. A. beautiful                    B. active                        C. different                 D. stupid  

49. A. card                          B. money                      C. dollar                     D. change  

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

51. A. one                           B. who                          C. what                      D. it  

52. A. taking off                  B. going away                C. showing up             D.coming about  

53. A. her                            B. them                         C. yourself                 D. themselves

54. A. warning                     B. determining               C. enjoying                 D. damaging 

55. A. home                         B. work                         C. study                     D. life 

单项选择题