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【填空题】
206.1号机在启动主机、小机、密封油直流油泵前应确认直流系统___正常后方可操作。
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母线电压
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【填空题】
207.255.1号机冷态冲动前应确认确认汽轮机在___状态,转速___rpm,盘车电流___。
【填空题】
208.1号机冷态冲动前应确认转子偏心度不大于___mm,大轴晃动度不大于原始值的___。
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209.1号机冷态冲动条件:主蒸汽压力___MPa ,主蒸汽温度___℃;再热蒸汽压力___MPa,温度___℃。
【填空题】
210.1号机冷态冲动时主蒸汽过热度应≥___℃。
【填空题】
211.1号机冷态冲动时凝汽器背压低于___kPa;润滑油温在___℃之间;高中压外缸上下缸温差<___℃。
【填空题】
212.1号机冷态冲动时确认汽机本体各___打开。
【填空题】
213.1号机冷态冲动时低压缸喷水控制开关在___位置。
【填空题】
214.1号机挂闸时应检查主机___油泵及___油泵运行正常。
【填空题】
215.初负荷暖机过程中主蒸汽温度应尽量稳定,温升速率不得超过___,调节级腔室温升速率不超过___。
【填空题】
216.1号机冲转后当汽机转速大于盘车转速时,检查___脱开、___停止。
【填空题】
217.1号机冲转后应监视轴承___、轴承___、___、缸温和___变化情况,回油___、油流,真空,排汽缸___, 密封油系统正常。
【填空题】
218.汽轮机高中压转子脆性转变温度___。
【填空题】
219.若机组大小修后启动,在400rpm 时进行远方或就地打闸,进行___检查。
【填空题】
220.1号机冲转在400-600rpm 之间时应进行最终检查___。
【填空题】
221.1号机冷态启动转速升至___时暖机,暖机时间___。
【填空题】
222.1号机冲转过临界转速时应检查、记录机组___值。
【填空题】
223.1号机冲转时,当转速升至___后,开始进行TV/GV切换。
【填空题】
224.1号机无论在任何情况下,调节级蒸汽温度不允许比调节级金属温度高___℃或低于___℃。
【填空题】
225.1号机热态启动参数为:主汽压力___MPa,___℃,再热压力___MPa,___℃。
【填空题】
226.1号机热态启动时投入连续盘车时间不少于___小时或机组处于连续不间断___状态。
【填空题】
227.1号机热态启动时转子偏心度不超过___mm。
【填空题】
228.1号机热态启动时高压缸上下缸温差应小于___℃。轴向位移、胀差在规定范围内。
【填空题】
229.机组滑停过程中应严密监视汽轮机调节级蒸汽温度不低于调节级金属温度___以上,否则应停止降温。
【填空题】
230.1号机停机前应当分别进行主机___油泵、主机___油泵、___油泵、___油泵、小汽机直流油泵、___电机试转,检查其正常并在___备用。
【填空题】
231.1号机打闸后机组转速低于___顶轴油泵自启动,否则手动启动。
【填空题】
232.1号机机组跳闸后,应迅速将轴封倒为___供汽,及时调整轴封供汽___。真空到零,停用轴封供汽,解列___。
【填空题】
233.机组发生故障或运行参数接近控制极限,还不会立即造成严重后果,应尽量___予以挽回,无法挽回或长期运行会使事故扩大危急___设备,向调度要求故障停机。
【填空题】
234.1号机高压加热器联锁跳闸条件:任意一台高加水位___;汽机___;发电机___;3号高加___已关;1号高加___已关。
【填空题】
235.1号机任意一台高加水位高三值时,连锁关闭三台高加的___及其___;高加给水___。
【填空题】
236.1号机1号高加正常运行时下端差控制在___。
【填空题】
237.1号机3号高加入口三通阀关闭时1号___电动门允许关闭。
【填空题】
238.1号机1号高加水位保护分为高一值___mm,高二值___ mm,高三值___mm,低一值___mm。
【填空题】
239.定子冷却水出口温度达到___,线棒温度达到___经确认无误后,汽轮机应故障紧急停机。
【填空题】
240.1号机额定工况下 高加出口温度___。
【填空题】
241.1号机2号高加正常疏水调节阀在3号高加___值时联锁关闭。
【填空题】
242.1号机2号高加紧急疏水电动门开启条件为高加液位___ 。
【填空题】
243.加热器泄漏会使___、___、___、___
【填空题】
244.加热器的上端差是指___与加热器___之间的差值。
【填空题】
245.加热器运行要监视进、出加热器的___;加热器蒸汽的压力,温度;加热器疏水___;加热器的___。
【填空题】
246.1号机小汽轮机启动允许条件:小除氧器水位大于___,汽泵___运行,凝汽器___不低,汽泵___开,无___条件,小机本体疏水门开。
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【单选题】
Q1: What does the man suggest that the woman do this weekend?___
A. Read J .K .Rowling's first book .
B. Go to buy a new Harry Potter book .
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D. Take her cousin to see a new Harry Potter  movie .
【单选题】
Q2: Where did J. K. Rowling come up with the idea for Harry Potter?___
A. At a cafe .
B. On a train .
C. At a cinema .
D. In a bookstore .
【单选题】
Q3: What are J. K. Rowling’s future plans?___
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D. She said she would work on more serious  subjects .
【单选题】
Q4: What are the two speakers mainly talking about?___
A. J.K. Rowling's secret .
B. J .K .Rowling's writing plan .
C. A new book by J .K.Rowling.
D. An interview with J .K .Rowling .
【单选题】
Q1: What happened when Stephen tried to remove a bottle of milk from the refrigerator?___
A. He broke the milk bottle .
B. He fell down on the floor .
C. He made a mess inside the refrigerator .
D. He spilled the milk over the kitchen floor .
【单选题】
Q2: What did Stephen’s mother do when she came into the kitchen?___
A. She gave him a long lecture .
B. She shouted at him in anger .
C. She enjoyed the wonderful mess .
D. She cleaned up the mess with him .
【单选题】
Q3: What did Stephen’s mother teach him later?___
A. How to do an experiment .
B. How to carry a milk bottle .
C. How to clean up spilled milk .
D. How to avoid making mistakes .
【单选题】
Q4: What did Stephen learn from this experience?___
A. Mistakes can become learning  opportunities .
B. Mistakes are just like scientific  experiments .
C. One should sometimes make mistakes .
D. One should try to avoid making mistakes .
【单选题】
Q1: Why is surfing the man’s favorite activity?___
A. Because he likes the sunny weather.
B. Because he wants to challenge himself .
C. Because it can help solve his sleeping problem .
D. Because it can help him forget all his  troubles .
【单选题】
Q2: What is the woman going to do this weekend?___
A. To go sailing .
B. To go surfing .
C. To go to the beach .
D. To go to her nephew's .
【单选题】
Q3: What does the woman love doing?___
A. Going to visit relatives.
B. Enjoying the warm sun on the beach .
C. Building sand castles with her niece and  nephew .
D. Playing in the sand and jumping in the  waves .
【单选题】
Q4: What does the man remember doing with his brothers?___
A. Surfing in the sea .
B. Collecting seashells .
C. Building sand castles .
D. Jumping in the waves .
【单选题】
Q1: According to the survey, what percentage of British adults watched TV in theirfree time?___
A. 89 percent .
B. 84 percent .
C. 76 percent .
D. 71 percent .
【单选题】
Q2: Which age group would be the most likely to visit their friends and relatives?___
A. People aged 16 to 24
B. People aged 25 to 34 .
C. People aged 16 and over .
D. People aged 55 and over .
【单选题】
Q3: What does the speaker say about listening to music as a leisure activity for British people?___
A. People aged 16 to 24 preferred listening to  music most .
B. It was getting more and more popular  among the British people .
C. It was the third most popular activity  among people aged 55 and over .
D. People aged 25 to 34 listened to music  more often than those aged 16 to 24 .
【单选题】
Q4: According to the survey, how are leisure activities related to age?___
A. Older people go out to pubs more often . frequently .
B. Younger people go to the cinema less frequently.
C. Older people spend more time reading and  gardening .
D. Younger people spend less time visiting  friends and family .
【单选题】
Q1: Why was the girl excited?___
A. She is going to have a lot of vanilla ice  cream .
B. She won the spelling competition at her  school .
C. She is going to the state capital for a  competition .
D. She "excellence"correctly,but others didn't .
【单选题】
Q2: What happened when the man was 13 years old?___
A. His family moved to Sacramento to settle  down .
B. His family bought him a new suit and a  new tie .
C. He went to Sacramento for a spelling  competition .
D. He won the first prize in the state spelling  competition .
【单选题】
Q3: Why did the man’s mom give him a big hug?___
A. To make him feel better after he lost the  first prize .
B. To apologize for not buying him some ice  cream .
C. To wish him good luck in the next  competition .
D. To congratulate him on winning the first  prize .
【单选题】
Q4: What color is the girl going to wear for her next competition?___
A. Red .
B. Blue .
C. Green .
D. Yellow .
【单选题】
Q1: What is this passage mainly about?___
A. Superstitions and science .
B. Tips on how to have good luck .
C. Superstitions in the United States .
D. Rational and superstitious societies .
【单选题】
Q2: According to the passage, what is considered as bad luck?___
A. Walking under a ladder .
B. Dreaming of a black cat .
C. Hanging a mirror in the house .
D. Stepping on one's own shadow .
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